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Bug#647741: marked as done (linux-image-3.0.0-2-amd64: UI sometimes freezes for several seconds, with a disk access)



Your message dated Sat, 4 Aug 2012 16:26:48 +0200
with message-id <20120804142648.GA8687@xvii.vinc17.org>
and subject line Re: Bug#647741: still occurs in 3.2.15-1
has caused the Debian Bug report #647741,
regarding linux-image-3.0.0-2-amd64: UI sometimes freezes for several seconds, with a disk access
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
647741: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=647741
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Package: linux-2.6
Version: 3.0.0-6
Severity: normal

Several times a day, the UI freezes for a few seconds. This can happen
when I'm working in an xterm or with Iceweasel. During this time, the
disk LED is on. Note that the disk is encrypted.

I also had this problem with the version 3.0.0-5 of this kernel package.
I reverted to 2.6.38-2-amd64 between Oct 30 and Nov 4, and didn't notice
this problem with it (the disk accesses seemed to be sometimes slower,
but I'm not sure; however the UI never froze). So, it seems to be a
regression.

-- Package-specific info:
** Version:
Linux version 3.0.0-2-amd64 (Debian 3.0.0-6) (ben@decadent.org.uk) (gcc version 4.5.3 (Debian 4.5.3-9) ) #1 SMP Wed Nov 2 04:50:05 UTC 2011

** Command line:
root=/dev/mapper/xvii-root ro quiet

** Not tainted

** Kernel log:
[   12.231732] input: DualPoint Stick as /devices/platform/i8042/serio1/input/input7
[   12.248713] input: AlpsPS/2 ALPS DualPoint TouchPad as /devices/platform/i8042/serio1/input/input8
[   13.199401] Console: switching to colour frame buffer device 180x56
[   13.208350] fb0: nouveaufb frame buffer device
[   13.208352] drm: registered panic notifier
[   13.208359] [drm] Initialized nouveau 0.0.16 20090420 for 0000:01:00.0 on minor 0
[   13.230496] dell_wmi: Received unknown WMI event (0x11)
[   13.242968] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree:
[   13.242970] iwlagn: Copyright(c) 2003-2011 Intel Corporation
[   13.243091] iwlagn 0000:0c:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[   13.243127] iwlagn 0000:0c:00.0: setting latency timer to 64
[   13.243180] iwlagn 0000:0c:00.0: Detected Intel(R) Ultimate N WiFi Link 5300 AGN, REV=0x24
[   13.262462] iwlagn 0000:0c:00.0: device EEPROM VER=0x120, CALIB=0x4
[   13.262465] iwlagn 0000:0c:00.0: Device SKU: 0Xb
[   13.262488] iwlagn 0000:0c:00.0: Tunable channels: 13 802.11bg, 24 802.11a channels
[   13.262609] iwlagn 0000:0c:00.0: irq 46 for MSI/MSI-X
[   13.495408] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 21 (level, low) -> IRQ 21
[   13.495473] HDA Intel 0000:00:1b.0: irq 47 for MSI/MSI-X
[   13.495504] HDA Intel 0000:00:1b.0: setting latency timer to 64
[   13.511708] iwlagn 0000:0c:00.0: loaded firmware version 8.83.5.1 build 33692
[   13.511922] Registered led device: phy0-led
[   13.553033] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
[   13.565271] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input9
[   13.573186] input: HDA Intel Mic at Sep Left Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
[   13.573255] input: HDA Intel Mic at Ext Right Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
[   13.573314] input: HDA Intel Line Out at Sep Left Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
[   13.573372] input: HDA Intel HP Out at Ext Right Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13
[   13.727822] pcmcia_socket pcmcia_socket0: cs: memory probe 0x0c0000-0x0fffff: excluding 0xc0000-0xd3fff 0xe0000-0xfffff
[   13.727862] pcmcia_socket pcmcia_socket0: cs: memory probe 0xa0000000-0xa0ffffff: excluding 0xa0000000-0xa0ffffff
[   13.727898] pcmcia_socket pcmcia_socket0: cs: memory probe 0x60000000-0x60ffffff: excluding 0x60000000-0x60ffffff
[   13.921088] WARNING! power/level is deprecated; use power/control instead
[   14.254445] Linux media interface: v0.10
[   14.258283] Linux video capture interface: v2.00
[   14.279462] uvcvideo: Found UVC 1.00 device Laptop_Integrated_Webcam_0.3M (0c45:63f8)
[   14.293695] input: Laptop_Integrated_Webcam_0.3M as /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.0/input/input14
[   14.293747] usbcore: registered new interface driver uvcvideo
[   14.293749] USB Video Class driver (v1.1.0)
[   16.016327] EXT3-fs (dm-1): using internal journal
[   16.705583] loop: module loaded
[   17.004136] Adding 9928700k swap on /dev/mapper/xvii-swap_1.  Priority:-1 extents:1 across:9928700k 
[   22.292480] RPC: Registered named UNIX socket transport module.
[   22.292482] RPC: Registered udp transport module.
[   22.292484] RPC: Registered tcp transport module.
[   22.292486] RPC: Registered tcp NFSv4.1 backchannel transport module.
[   22.344608] FS-Cache: Loaded
[   22.386151] FS-Cache: Netfs 'nfs' registered for caching
[   22.430195] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
[   23.536086] fuse init (API version 7.16)
[   25.675497] input: ACPI Virtual Keyboard Device as /devices/virtual/input/input15
[   35.932180] Bluetooth: Core ver 2.16
[   35.932283] NET: Registered protocol family 31
[   35.932284] Bluetooth: HCI device and connection manager initialized
[   35.932287] Bluetooth: HCI socket layer initialized
[   35.932288] Bluetooth: L2CAP socket layer initialized
[   35.932330] Bluetooth: SCO socket layer initialized
[   36.028577] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   36.028579] Bluetooth: BNEP filters: protocol multicast
[   36.606691] Bluetooth: RFCOMM TTY layer initialized
[   36.606695] Bluetooth: RFCOMM socket layer initialized
[   36.606697] Bluetooth: RFCOMM ver 1.11
[   37.996258] lp: driver loaded but no devices found
[   38.291718] ppdev: user-space parallel port driver
[   47.782361] ip_tables: (C) 2000-2006 Netfilter Core Team
[   50.888500] e1000e 0000:00:19.0: irq 44 for MSI/MSI-X
[   50.919031] hda-intel: Invalid position buffer, using LPIB read method instead.
[   50.944408] e1000e 0000:00:19.0: irq 44 for MSI/MSI-X
[   50.946098] ADDRCONF(NETDEV_UP): eth0: link is not ready
[   51.025983] hda-intel: Invalid position buffer, using LPIB read method instead.
[   52.652926] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: None
[   52.652930] e1000e 0000:00:19.0: eth0: 10/100 speed: disabling TSO
[   52.653575] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   54.316065] device eth0 entered promiscuous mode
[   62.896024] eth0: no IPv6 routers present
[   64.328985] device eth0 left promiscuous mode
[  536.728044] CE: hpet increased min_delta_ns to 20113 nsec
[ 1934.920951] dell_wmi: Received unknown WMI event (0x11)
[25879.156106] dell_wmi: Received unknown WMI event (0x11)
[29759.470654] dell_wmi: Received unknown WMI event (0x11)
[60640.069919] dell_wmi: Received unknown WMI event (0x11)
[61783.636479] dell_wmi: Received unknown WMI event (0x11)
[62219.705154] dell_wmi: Received unknown WMI event (0x11)
[64463.208105] dell_wmi: Received unknown WMI event (0x11)
[64463.357779] dell_wmi: Received unknown WMI event (0x11)
[64465.293405] dell_wmi: Received unknown WMI event (0x11)
[94016.365230] dell_wmi: Received unknown WMI event (0x11)
[99345.826181] dell_wmi: Received unknown WMI event (0x11)
[120928.154531] dell_wmi: Received unknown WMI event (0x11)
[121996.493870] dell_wmi: Received unknown WMI event (0x11)
[121997.054078] dell_wmi: Received unknown WMI event (0x11)
[121997.984493] dell_wmi: Received unknown WMI event (0x11)
[121998.149453] dell_wmi: Received unknown WMI event (0x11)
[121998.320201] dell_wmi: Received unknown WMI event (0x11)
[122142.359177] dell_wmi: Received unknown WMI event (0x11)
[126992.363676] dell_wmi: Received unknown WMI event (0x11)
[128277.941844] dell_wmi: Received unknown WMI event (0x11)
[128851.535793] dell_wmi: Received unknown WMI event (0x11)
[129989.498251] dell_wmi: Received unknown WMI event (0x11)
[130198.716449] dell_wmi: Received unknown WMI event (0x11)
[130212.146299] dell_wmi: Received unknown WMI event (0x11)
[136959.550741] dell_wmi: Received unknown WMI event (0x11)

** Model information
sys_vendor: Dell Inc.
product_name: Latitude E6400                  
product_version: 
chassis_vendor: Dell Inc.
chassis_version: 
bios_vendor: Dell Inc.
bios_version: A12
board_vendor: Dell Inc.
board_name: 0K672N
board_version:    

** Loaded modules:
Module                  Size  Used by
xt_multiport           12548  2 
iptable_filter         12536  1 
ip_tables              22131  1 iptable_filter
x_tables               19024  3 xt_multiport,iptable_filter,ip_tables
acpi_cpufreq           13009  1 
mperf                  12453  1 acpi_cpufreq
cpufreq_powersave      12454  0 
cpufreq_stats          12862  0 
cpufreq_userspace      12576  0 
cpufreq_conservative    13147  0 
parport_pc             22395  0 
ppdev                  12763  0 
lp                     17270  0 
parport                31929  3 parport_pc,ppdev,lp
rfcomm                 33848  0 
bnep                   17615  2 
bluetooth             114376  10 rfcomm,bnep
crc16                  12343  1 bluetooth
binfmt_misc            13040  1 
uinput                 17469  1 
fuse                   66430  1 
nfsd                  260662  2 
nfs                   259369  0 
lockd                  71503  2 nfsd,nfs
fscache                36721  1 nfs
auth_rpcgss            37204  2 nfsd,nfs
nfs_acl                12511  2 nfsd,nfs
sunrpc                172969  6 nfsd,nfs,lockd,auth_rpcgss,nfs_acl
ext2                   63732  1 
coretemp               12939  0 
firewire_sbp2          18062  0 
loop                   22711  0 
uvcvideo               61887  0 
videodev               66713  1 uvcvideo
media                  18184  2 uvcvideo,videodev
v4l2_compat_ioctl32    16567  1 videodev
snd_hda_codec_idt      53749  1 
arc4                   12458  2 
snd_hda_intel          26140  2 
snd_hda_codec          72699  2 snd_hda_codec_idt,snd_hda_intel
joydev                 17262  0 
snd_hwdep              13186  1 snd_hda_codec
snd_pcm                68104  2 snd_hda_intel,snd_hda_codec
iwlagn                166455  0 
snd_seq                45208  0 
pcmcia                 36815  0 
snd_timer              22581  2 snd_pcm,snd_seq
yenta_socket           22884  0 
snd_seq_device         13137  1 snd_seq
psmouse                55656  0 
evdev                  17558  17 
nouveau               516733  2 
pcmcia_rsrc            17567  1 yenta_socket
ttm                    52979  1 nouveau
mac80211              182582  1 iwlagn
cfg80211              132564  2 iwlagn,mac80211
drm_kms_helper         27216  1 nouveau
drm                   163280  4 nouveau,ttm,drm_kms_helper
dell_wmi               12477  0 
dell_laptop            12943  0 
ac                     12624  0 
rfkill                 19080  4 bluetooth,cfg80211,dell_laptop
snd                    52823  12 snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_seq,snd_timer,snd_seq_device
sparse_keymap          12795  1 dell_wmi
serio_raw              12846  0 
battery                13109  0 
i2c_algo_bit           12850  1 nouveau
i2c_i801               16870  0 
pcmcia_core            18333  3 pcmcia,yenta_socket,pcmcia_rsrc
pcspkr                 12579  0 
i2c_core               23909  6 videodev,nouveau,drm_kms_helper,drm,i2c_algo_bit,i2c_i801
dcdbas                 13256  1 dell_laptop
mxm_wmi                12473  1 nouveau
soundcore              13152  1 snd
snd_page_alloc         13043  2 snd_hda_intel,snd_pcm
power_supply           13475  3 dell_laptop,ac,battery
wmi                    13243  2 dell_wmi,mxm_wmi
video                  17707  1 nouveau
processor              27942  3 acpi_cpufreq
button                 12930  1 nouveau
ext3                  114399  1 
jbd                    43355  1 ext3
mbcache                13066  2 ext2,ext3
sha256_generic         16797  2 
cryptd                 14549  0 
aes_x86_64             16796  4 
aes_generic            33026  1 aes_x86_64
cbc                    12755  2 
dm_crypt               22611  1 
dm_mod                 63164  9 dm_crypt
sg                     25985  0 
sd_mod                 36259  3 
sr_mod                 21811  0 
cdrom                  35093  1 sr_mod
crc_t10dif             12348  1 sd_mod
uhci_hcd               26787  0 
firewire_ohci          35553  0 
sdhci_pci              13304  0 
sdhci                  26511  1 sdhci_pci
mmc_core               63601  1 sdhci
thermal                17426  0 
thermal_sys            17949  3 video,processor,thermal
firewire_core          48371  2 firewire_sbp2,firewire_ohci
crc_itu_t              12347  1 firewire_core
ahci                   25089  2 
libahci                22767  1 ahci
ehci_hcd               40090  0 
libata                149043  2 ahci,libahci
scsi_mod              162442  5 firewire_sbp2,sg,sd_mod,sr_mod,libata
e1000e                124997  0 
usbcore               128338  4 uvcvideo,uhci_hcd,ehci_hcd

** Network interface configuration:

auto lo

iface lo inet loopback

mapping eth0
  script guessnet-ifupdown
  map default: eth0-dhcp
  map debug: true
  map timeout: 10

iface eth0-dhcp inet dhcp

iface eth0-home inet static
  address 192.168.0.8
  netmask 255.255.255.0
  broadcast 192.168.0.255
  gateway 192.168.0.1
  test peer address 192.168.0.1 mac 00:00:c5:b4:98:74


** Network status:
*** IP interfaces and addresses:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:24:e8:97:5f:73 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.8/24 brd 192.168.0.255 scope global eth0
    inet6 fe80::224:e8ff:fe97:5f73/64 scope link 
       valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
    link/ether 00:21:6a:47:b3:80 brd ff:ff:ff:ff:ff:ff

*** Device statistics:
Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
    lo: 19322048   60643    0    0    0     0          0         0 19322048   60643    0    0    0     0       0          0
  eth0: 242650027  624064    0    0    0     0          0       132 93598106  481863    0    0    0     0       0          0
 wlan0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

*** Protocol statistics:
Ip:
    557463 total packets received
    0 forwarded
    0 incoming packets discarded
    557075 incoming packets delivered
    526979 requests sent out
    383 dropped because of missing route
    166 reassemblies required
    83 packets reassembled ok
Icmp:
    183759 ICMP messages received
    14 input ICMP message failed.
    ICMP input histogram:
        destination unreachable: 183759
    2730 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        destination unreachable: 2730
IcmpMsg:
        InType3: 183759
        OutType3: 2730
Tcp:
    13767 active connections openings
    1568 passive connection openings
    17 failed connection attempts
    1477 connection resets received
    6 connections established
    302884 segments received
    285040 segments send out
    182792 segments retransmited
    0 bad segments received.
    5592 resets sent
Udp:
    67063 packets received
    2852 packets to unknown port received.
    0 packet receive errors
    70334 packets sent
UdpLite:
TcpExt:
    7 invalid SYN cookies received
    2 resets received for embryonic SYN_RECV sockets
    1 packets pruned from receive queue because of socket buffer overrun
    5602 TCP sockets finished time wait in fast timer
    5 packets rejects in established connections because of timestamp
    5598 delayed acks sent
    3 delayed acks further delayed because of locked socket
    Quick ack mode was activated 1046 times
    1358 packets directly queued to recvmsg prequeue.
    5065 bytes directly in process context from backlog
    34083 bytes directly received in process context from prequeue
    176167 packet headers predicted
    145 packets header predicted and directly queued to user
    36948 acknowledgments not containing data payload received
    40387 predicted acknowledgments
    60 times recovered from packet loss by selective acknowledgements
    4 congestion windows recovered without slow start by DSACK
    320 congestion windows recovered without slow start after partial ack
    510 TCP data loss events
    TCPLostRetransmit: 10
    192 timeouts after SACK recovery
    1 timeouts in loss state
    351 fast retransmits
    34 forward retransmits
    57 retransmits in slow start
    1532 other TCP timeouts
    2 SACK retransmits failed
    48 packets collapsed in receive queue due to low socket buffer
    1029 DSACKs sent for old packets
    221 DSACKs received
    592 connections reset due to unexpected data
    1433 connections reset due to early user close
    1025 connections aborted due to timeout
    TCPDSACKIgnoredNoUndo: 94
    TCPSpuriousRTOs: 2
    TCPSackShifted: 930
    TCPSackMerged: 850
    TCPSackShiftFallback: 256
    TCPDeferAcceptDrop: 89
IpExt:
    InMcastPkts: 190
    OutMcastPkts: 78
    InBcastPkts: 504
    InOctets: 244874027
    OutOctets: 103441910
    InMcastOctets: 32687
    OutMcastOctets: 7576
    InBcastOctets: 39312


** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub [8086:2a40] (rev 07)
	Subsystem: Dell Device [1028:0233]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>

00:01.0 PCI bridge [0604]: Intel Corporation Mobile 4 Series Chipset PCI Express Graphics Port [8086:2a41] (rev 07) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 0000d000-0000dfff
	Memory behind bridge: f2000000-f6efffff
	Prefetchable memory behind bridge: 00000000e0000000-00000000efffffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA+ MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:19.0 Ethernet controller [0200]: Intel Corporation 82567LM Gigabit Network Connection [8086:10f5] (rev 03)
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 44
	Region 0: Memory at f6fe0000 (32-bit, non-prefetchable) [size=128K]
	Region 1: Memory at f6fdb000 (32-bit, non-prefetchable) [size=4K]
	Region 2: I/O ports at efe0 [size=32]
	Capabilities: <access denied>
	Kernel driver in use: e1000e

00:1a.0 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 [8086:2937] (rev 03) (prog-if 00 [UHCI])
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 20
	Region 4: I/O ports at 6f60 [size=32]
	Capabilities: <access denied>
	Kernel driver in use: uhci_hcd

00:1a.1 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 [8086:2938] (rev 03) (prog-if 00 [UHCI])
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 21
	Region 4: I/O ports at 6f80 [size=32]
	Capabilities: <access denied>
	Kernel driver in use: uhci_hcd

00:1a.2 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 [8086:2939] (rev 03) (prog-if 00 [UHCI])
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin C routed to IRQ 22
	Region 4: I/O ports at 6fa0 [size=32]
	Capabilities: <access denied>
	Kernel driver in use: uhci_hcd

00:1a.7 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 [8086:293c] (rev 03) (prog-if 20 [EHCI])
	Subsystem: Dell Device [1028:0233]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin C routed to IRQ 22
	Region 0: Memory at fed1c400 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci_hcd

00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03)
	Subsystem: Dell Device [1028:0233]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 47
	Region 0: Memory at f6fdc000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: HDA Intel

00:1c.0 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 [8086:2940] (rev 03) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Bus: primary=00, secondary=0b, subordinate=0b, sec-latency=0
	I/O behind bridge: 00005000-00005fff
	Memory behind bridge: f0600000-f07fffff
	Prefetchable memory behind bridge: 00000000f0800000-00000000f09fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1c.1 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 [8086:2942] (rev 03) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Bus: primary=00, secondary=0c, subordinate=0c, sec-latency=0
	I/O behind bridge: 00004000-00004fff
	Memory behind bridge: f1f00000-f1ffffff
	Prefetchable memory behind bridge: 00000000f0400000-00000000f05fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1c.2 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 [8086:2944] (rev 03) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Bus: primary=00, secondary=0d, subordinate=0d, sec-latency=0
	I/O behind bridge: 00003000-00003fff
	Memory behind bridge: f0000000-f01fffff
	Prefetchable memory behind bridge: 00000000f0200000-00000000f03fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1d.0 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 [8086:2934] (rev 03) (prog-if 00 [UHCI])
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 20
	Region 4: I/O ports at 6f00 [size=32]
	Capabilities: <access denied>
	Kernel driver in use: uhci_hcd

00:1d.1 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 [8086:2935] (rev 03) (prog-if 00 [UHCI])
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 21
	Region 4: I/O ports at 6f20 [size=32]
	Capabilities: <access denied>
	Kernel driver in use: uhci_hcd

00:1d.2 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 [8086:2936] (rev 03) (prog-if 00 [UHCI])
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin C routed to IRQ 22
	Region 4: I/O ports at 6f40 [size=32]
	Capabilities: <access denied>
	Kernel driver in use: uhci_hcd

00:1d.7 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 [8086:293a] (rev 03) (prog-if 20 [EHCI])
	Subsystem: Dell Device [1028:0233]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 20
	Region 0: Memory at fed1c000 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci_hcd

00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 93) (prog-if 01 [Subtractive decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Bus: primary=00, secondary=03, subordinate=07, sec-latency=32
	I/O behind bridge: 00002000-00002fff
	Memory behind bridge: f1e00000-f1efffff
	Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>

00:1f.0 ISA bridge [0601]: Intel Corporation ICH9M-E LPC Interface Controller [8086:2917] (rev 03)
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>

00:1f.2 RAID bus controller [0104]: Intel Corporation Mobile 82801 SATA RAID Controller [8086:282a] (rev 03)
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin D routed to IRQ 45
	Region 0: I/O ports at 6e70 [size=8]
	Region 1: I/O ports at 6e78 [size=4]
	Region 2: I/O ports at 6e80 [size=8]
	Region 3: I/O ports at 6e88 [size=4]
	Region 4: I/O ports at 6ea0 [size=32]
	Region 5: Memory at fed1c800 (32-bit, non-prefetchable) [size=2K]
	Capabilities: <access denied>
	Kernel driver in use: ahci

00:1f.3 SMBus [0c05]: Intel Corporation 82801I (ICH9 Family) SMBus Controller [8086:2930] (rev 03)
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin B routed to IRQ 19
	Region 0: Memory at f6fdaf00 (64-bit, non-prefetchable) [size=256]
	Region 4: I/O ports at 1100 [size=32]
	Kernel driver in use: i801_smbus

01:00.0 VGA compatible controller [0300]: nVidia Corporation G98M [Quadro NVS 160M] [10de:06eb] (rev a1) (prog-if 00 [VGA controller])
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at f5000000 (32-bit, non-prefetchable) [size=16M]
	Region 1: Memory at e0000000 (64-bit, prefetchable) [size=256M]
	Region 3: Memory at f2000000 (64-bit, non-prefetchable) [size=32M]
	Region 5: I/O ports at df00 [size=128]
	[virtual] Expansion ROM at f4000000 [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: nouveau

03:01.0 CardBus bridge [0607]: Ricoh Co Ltd RL5c476 II [1180:0476] (rev ba)
	Subsystem: Dell Device [1028:0233]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 168
	Interrupt: pin A routed to IRQ 19
	Region 0: Memory at f1e00000 (32-bit, non-prefetchable) [size=4K]
	Bus: primary=03, secondary=04, subordinate=07, sec-latency=176
	Memory window 0: f0c00000-f0fff000 (prefetchable)
	Memory window 1: f1000000-f13ff000
	I/O window 0: 00002000-000020ff
	I/O window 1: 00002400-000024ff
	BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt+ PostWrite+
	16-bit legacy interface ports at 0001
	Kernel driver in use: yenta_cardbus

03:01.1 FireWire (IEEE 1394) [0c00]: Ricoh Co Ltd R5C832 IEEE 1394 Controller [1180:0832] (rev 04) (prog-if 10 [OHCI])
	Subsystem: Dell Device [1028:0233]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 64 (500ns min, 1000ns max), Cache Line Size: 64 bytes
	Interrupt: pin B routed to IRQ 17
	Region 0: Memory at f1eff800 (32-bit, non-prefetchable) [size=2K]
	Capabilities: <access denied>
	Kernel driver in use: firewire_ohci

03:01.2 SD Host controller [0805]: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter [1180:0822] (rev 21) (prog-if 01)
	Subsystem: Dell Device [1028:0233]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 64, Cache Line Size: 64 bytes
	Interrupt: pin C routed to IRQ 18
	Region 0: Memory at f1eff700 (32-bit, non-prefetchable) [size=256]
	Capabilities: <access denied>
	Kernel driver in use: sdhci-pci

0c:00.0 Network controller [0280]: Intel Corporation Ultimate N WiFi Link 5300 [8086:4235]
	Subsystem: Intel Corporation Device [8086:1121]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 46
	Region 0: Memory at f1ffe000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: iwlagn


** USB devices:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 0c45:63f8 Microdia Sonix Integrated Webcam
Bus 005 Device 002: ID 0a5c:5800 Broadcom Corp. BCM5880 Secure Applications Processor


-- System Information:
Debian Release: wheezy/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.0.0-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages linux-image-3.0.0-2-amd64 depends on:
ii  debconf [debconf-2.0]                   1.5.41
ii  initramfs-tools [linux-initramfs-tool]  0.99  
ii  linux-base                              3.3   
ii  module-init-tools                       3.16-1

Versions of packages linux-image-3.0.0-2-amd64 recommends:
ii  firmware-linux-free  3

Versions of packages linux-image-3.0.0-2-amd64 suggests:
ii  grub-pc | extlinux | lilo  <none> 
ii  linux-doc-3.0.0            3.0.0-6

Versions of packages linux-image-3.0.0-2-amd64 is related to:
pn  firmware-bnx2           <none>
pn  firmware-bnx2x          <none>
pn  firmware-ipw2x00        <none>
pn  firmware-ivtv           <none>
pn  firmware-iwlwifi        0.34  
pn  firmware-linux          <none>
pn  firmware-linux-nonfree  <none>
pn  firmware-qlogic         <none>
pn  firmware-ralink         <none>
pn  xen-hypervisor          <none>

-- debconf information:
  linux-image-3.0.0-2-amd64/prerm/removing-running-kernel-3.0.0-2-amd64: true
  linux-image-3.0.0-2-amd64/postinst/missing-firmware-3.0.0-2-amd64:
  linux-image-3.0.0-2-amd64/postinst/ignoring-ramdisk:
  linux-image-3.0.0-2-amd64/postinst/depmod-error-initrd-3.0.0-2-amd64: false



--- End Message ---
--- Begin Message ---
tags 647741 unreproducible
thanks

On 2012-08-02 14:22:14 +0200, Vincent Lefevre wrote:
> Under the usual conditions, I couldn't see any problem with
> tmpfs for /tmp. I've now reverted to:
> 
>   Linux version 3.2.0-1-amd64 (Debian 3.2.7-1) (debian-kernel@lists.debian.org) (gcc version 4.6.2 (Debian 4.6.2-16) ) #1 SMP Tue Feb 28 15:35:32 UTC 2012
> 
> (still with tmpfs for /tmp) and I'll see whether the temporary freeze
> problems reappear.

I didn't see any problem either. So, the cause of the sudden disk
accesses remains a mystery (perhaps some bug in some daemon, since
many packages have been upgraded since). Closing.

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <http://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)

--- End Message ---

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