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Bug#600155: linux-image-2.6.32-5-486: Kernel panic on avahi-daemon IPv6 activity



Package: linux-2.6
Version: 2.6.32-23
Severity: normal

My system is a Helios single-board computer, with specs:

CPU: Vortex86 SoC (800MHz) - according to Diamond Systems, "a 486
class pre-pentium integrated circuit"
RAM: 256MB
Storage: 4GB compact flash (I disabled write caching for this)
Swap: partitioned, about 236MB (just what the installer recommended)
Kernel: 2.6.32-5-486
Debian: Squeeze (from installer daily build, updated after install)

When I install avahi-daemon, I get a kernel panic. I have attached a
log of a serial session reproducing this. The log also contains lspci
and ifconfig output, but here is the ethernet controller line:

    00:08.0 Ethernet controller: RDC Semiconductor, Inc. R6040 MAC Controller

It seems to be related to IPv6, because if I boot with
"ipv6.disable=1", there is no crash. It also does not happen with
linux-image-2.6.36-rc6-486 from experimental. I took an image of the
CF contents before doing this, but I can't reproduce this under qemu.

I have another kernel built from the same config file as
linux-image-2.6.32-5-486 but with the debugging package built as well;
let me know if you want me to repeat it all with that.

-- Package-specific info:
** Version:
Linux version 2.6.32-5-486 (Debian 2.6.32-23) (dannf@debian.org) (gcc
version 4.3.5 (Debian 4.3.5-3) ) #1 Sat Sep 18 01:43:00 UTC 2010

** Command line:
BOOT_IMAGE=/boot/vmlinuz-2.6.32-5-486
root=UUID=5b129c11-e746-45ea-908d-15cd22ee702a ro pnpbios=off
console=tty0 console=ttyS0,115200n8

** Not tainted

** Kernel log:
[    6.173121] registered taskstats version 1
[    6.178248] rtc_cmos rtc_cmos: setting system clock to 2010-10-13
10:11:51 UTC (1286964711)
[    6.186972] Initalizing network drop monitor service
[    6.192359] Freeing unused kernel memory: 436k freed
[    6.200082] Write protecting the kernel text: 2336k
[    6.205268] Write protecting the kernel read-only data: 892k
[    6.378050] udev: starting version 160
[    7.277146] usbcore: registered new interface driver usbfs
[    7.570128] usbcore: registered new interface driver hub
[    7.577875] usbcore: registered new device driver usb
[    7.609252] SCSI subsystem initialized
[    7.658487] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    7.702737] ehci_hcd 0000:00:0a.1: EHCI Host Controller
[    7.709626] ehci_hcd 0000:00:0a.1: new USB bus registered, assigned
bus number 1
[    7.740958] ehci_hcd 0000:00:0a.1: irq 15, io mem 0x10022000
[    8.099943] libata version 3.00 loaded.
[    8.147138] ehci_hcd 0000:00:0a.1: USB 2.0 started, EHCI 1.00
[    8.154539] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    8.161510] usb usb1: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[    8.168862] usb usb1: Product: EHCI Host Controller
[    8.173848] usb usb1: Manufacturer: Linux 2.6.32-5-486 ehci_hcd
[    8.179887] usb usb1: SerialNumber: 0000:00:0a.1
[    8.185991] usb usb1: configuration #1 chosen from 1 choice
[    8.192585] hub 1-0:1.0: USB hub found
[    8.197178] hub 1-0:1.0: 2 ports detected
[    8.204376] r6040: RDC R6040 NAPI net driver,version 0.25 (20Aug2009)
[    8.224507] scsi0 : pata_it821x
[    8.231691] scsi1 : pata_it821x
[    8.236267] ata1: PATA max UDMA/133 cmd 0x1f0 ctl 0x3f4 bmdma 0xfff0 irq 14
[    8.243433] ata2: PATA max UDMA/133 cmd 0x170 ctl 0x374 bmdma 0xfff8 irq 14
[    8.250908] ehci_hcd 0000:00:0b.1: EHCI Host Controller
[    8.258997] ehci_hcd 0000:00:0b.1: new USB bus registered, assigned
bus number 2
[    8.288737] ehci_hcd 0000:00:0b.1: irq 9, io mem 0x10022100
[    8.305311] ehci_hcd 0000:00:0b.1: USB 2.0 started, EHCI 1.00
[    8.311396] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[    8.318352] usb usb2: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[    8.325720] usb usb2: Product: EHCI Host Controller
[    8.330712] usb usb2: Manufacturer: Linux 2.6.32-5-486 ehci_hcd
[    8.336742] usb usb2: SerialNumber: 0000:00:0b.1
[    8.344065] usb usb2: configuration #1 chosen from 1 choice
[    8.350637] hub 2-0:1.0: USB hub found
[    8.354636] hub 2-0:1.0: 2 ports detected
[    8.477287] ata1.00: CFA: 4GB ATA Flash Disk, AD B612J, max UDMA/66
[    8.483732] ata1.00: 8000496 sectors, multi 0: LBA
[    8.488859] ata1.00: limited to UDMA/33 due to 40-wire cable
[    8.499842] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    8.507711] ohci_hcd 0000:00:0a.0: OHCI Host Controller
[    8.513640] ata1.00: configured for UDMA/33
[    8.518765] scsi 0:0:0:0: Direct-Access     ATA      4GB ATA Flash
Di AD B PQ: 0 ANSI: 5
[    8.527180] ohci_hcd 0000:00:0a.0: new USB bus registered, assigned
bus number 3
[    8.537688] ohci_hcd 0000:00:0a.0: irq 6, io mem 0x10020000
[    8.628373] usb usb3: New USB device found, idVendor=1d6b, idProduct=0001
[    8.635348] usb usb3: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[    8.642699] usb usb3: Product: OHCI Host Controller
[    8.647681] usb usb3: Manufacturer: Linux 2.6.32-5-486 ohci_hcd
[    8.653708] usb usb3: SerialNumber: 0000:00:0a.0
[    8.659713] usb usb3: configuration #1 chosen from 1 choice
[    8.666282] hub 3-0:1.0: USB hub found
[    8.670282] hub 3-0:1.0: 2 ports detected
[    8.674934] ohci_hcd 0000:00:0b.0: OHCI Host Controller
[    8.681809] ohci_hcd 0000:00:0b.0: new USB bus registered, assigned
bus number 4
[    8.689516] ohci_hcd 0000:00:0b.0: irq 5, io mem 0x10021000
[    8.756778] Clocksource tsc unstable (delta = 72079157 ns)
[    8.788527] Switching to clocksource pit
[    8.897646] usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
[    8.904645] usb usb4: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[    8.908588] usb usb4: Product: OHCI Host Controller
[    8.911985] usb usb4: Manufacturer: Linux 2.6.32-5-486 ohci_hcd
[    8.915051] usb usb4: SerialNumber: 0000:00:0b.0
[    8.921218] usb usb4: configuration #1 chosen from 1 choice
[    8.927804] hub 4-0:1.0: USB hub found
[    8.931817] hub 4-0:1.0: 2 ports detected
[    8.953366] sd 0:0:0:0: [sda] 8000496 512-byte logical blocks:
(4.09 GB/3.81 GiB)
[    8.967940] sd 0:0:0:0: [sda] Write Protect is off
[    8.968952] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    8.976497] sd 0:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[    8.997519]  sda: sda1 sda2 < sda5 >
[    9.025930] sd 0:0:0:0: [sda] Attached SCSI disk
[    9.390135] PM: Starting manual resume from disk
[    9.394945] PM: Resume from partition 8:5
[    9.394961] PM: Checking hibernation image.
[    9.395904] PM: Error -22 checking image file
[    9.395925] PM: Resume from disk failed.
[    9.671618] EXT3-fs: INFO: recovery required on readonly filesystem.
[    9.675417] EXT3-fs: write access will be enabled during recovery.
[   12.324271] kjournald starting.  Commit interval 5 seconds
[   12.327899] EXT3-fs: recovery complete.
[   12.380094] EXT3-fs: mounted filesystem with ordered data mode.
[   13.308709] udev: starting version 160
[   15.299313] input: PC Speaker as /devices/platform/pcspkr/input/input1
[   15.304406] PCSP: Timer resolution is not sufficient (4000250nS)
[   15.306594] PCSP: Make sure you have HPET and ACPI enabled.
[   15.312306] PC-Speaker initialization failed.
[   15.316267] pcspkr: probe of pcspkr failed with error -5
[   15.339171] Error: Driver 'pcspkr' is already registered, aborting...
[   16.607145] Adding 231416k swap on /dev/sda5.  Priority:-1
extents:1 across:231416k
[   16.845315] EXT3 FS on sda1, internal journal
[   17.329473] loop: module loaded
[   19.617326] eth0: link up, 100Mbps, half-duplex, lpa 0x40A1
[   30.582013] eth0: no IPv6 routers present

** Model information
not available

** Loaded modules:
Module                  Size  Used by
loop                    9569  0
snd_pcsp                5185  0
snd_pcm                46098  1 snd_pcsp
snd_timer              12292  1 snd_pcm
snd                    34102  3 snd_pcsp,snd_pcm,snd_timer
soundcore               3294  1 snd
serio_raw               2912  0
snd_page_alloc          5021  1 snd_pcm
psmouse                48410  0
evdev                   5520  1
ext3                   92740  1
jbd                    27954  1 ext3
mbcache                 3482  1 ext3
sd_mod                 25825  3
crc_t10dif              1012  1 sd_mod
ohci_hcd               17072  0
pata_it821x             6574  2
libata                117275  1 pata_it821x
r6040                   8164  0
ehci_hcd               27989  0
scsi_mod              102265  2 sd_mod,libata
usbcore                98145  3 ohci_hcd,ehci_hcd
mii                     2654  1 r6040
nls_base                4445  1 usbcore

** Network interface configuration:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
iface eth0 inet dhcp

** 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 UNKNOWN qlen 1000
    link/ether 00:1b:eb:69:08:e4 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.54/24 brd 192.168.1.255 scope global eth0
    inet6 fe80::21b:ebff:fe69:8e4/64 scope link
       valid_lft forever preferred_lft forever

*** Device statistics:
Inter-|   Receive                                                |  Transmit
 face |bytes    packets errs drop fifo frame compressed
multicast|bytes    packets errs drop fifo colls carrier compressed
    lo:       0       0    0    0    0     0          0         0
  0       0    0    0    0     0       0          0
  eth0:   45939     420    0    0    0     0          0         2
3339      36    0    0    0     0       0          0

*** Protocol statistics:
Ip:
    360 total packets received
    1 with invalid addresses
    0 forwarded
    0 incoming packets discarded
    359 incoming packets delivered
    26 requests sent out
Icmp:
    0 ICMP messages received
    0 input ICMP message failed.
    ICMP input histogram:
    0 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
Tcp:
    3 active connections openings
    0 passive connection openings
    0 failed connection attempts
    0 connection resets received
    0 connections established
    17 segments received
    18 segments send out
    0 segments retransmited
    0 bad segments received.
    3 resets sent
Udp:
    8 packets received
    0 packets to unknown port received.
    0 packet receive errors
    8 packets sent
UdpLite:
TcpExt:
    3 packet headers predicted
    6 acknowledgments not containing data payload received
IpExt:
    InMcastPkts: 2
    InBcastPkts: 332
    InOctets: 37295
    OutOctets: 2039
    InMcastOctets: 64
    InBcastOctets: 25397

*** Device features:
eth0: 0x0
lo: 0x13865

** PCI devices:
00:00.0 Host bridge [0600]: RDC Semiconductor, Inc. R6021 Host Bridge
[17f3:6021] (rev 01)
	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

00:04.0 VGA compatible controller [0300]: XGI Technology Inc. (eXtreme
Graphics Innovation) Z7/Z9 (XG20 core) [18ca:0020] (prog-if 00 [VGA
controller])
	Subsystem: XGI Technology Inc. (eXtreme Graphics Innovation) Z7/Z9
(XG20 core) [18ca:0020]
	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-
	BIST result: 00
	Region 0: Memory at f8000000 (32-bit, prefetchable) [size=64M]
	Region 1: Memory at fefc0000 (32-bit, non-prefetchable) [size=256K]
	Region 2: I/O ports at ef80 [size=128]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: [40] Power Management version 2
		Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-

00:07.0 ISA bridge [0601]: RDC Semiconductor, Inc. R6031 ISA Bridge
[17f3:6031] (rev 01)
	Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=?? >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
	Latency: 0

00:08.0 Ethernet controller [0200]: RDC Semiconductor, Inc. R6040 MAC
Controller [17f3:6040]
	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 (750ns min, 2000ns max)
	Interrupt: pin A routed to IRQ 9
	Region 0: I/O ports at ee00 [size=256]
	Region 1: Memory at fefbb400 (32-bit, non-prefetchable) [size=256]
	Expansion ROM at fefa0000 [disabled] [size=64K]
	Kernel driver in use: r6040

00:0a.0 USB Controller [0c03]: RDC Semiconductor, Inc. R6060 USB 1.1
Controller [17f3:6060] (rev 11) (prog-if 10 [OHCI])
	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: 32 bytes
	Interrupt: pin A routed to IRQ 6
	Region 0: Memory at 10020000 (32-bit, non-prefetchable) [size=4K]
	Kernel driver in use: ohci_hcd

00:0a.1 USB Controller [0c03]: RDC Semiconductor, Inc. R6061 USB 2.0
Controller [17f3:6061] (rev 02) (prog-if 20 [EHCI])
	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: 32 bytes
	Interrupt: pin B routed to IRQ 15
	Region 0: Memory at 10022000 (32-bit, non-prefetchable) [size=256]
	Kernel driver in use: ehci_hcd

00:0b.0 USB Controller [0c03]: RDC Semiconductor, Inc. R6060 USB 1.1
Controller [17f3:6060] (rev 11) (prog-if 10 [OHCI])
	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: 32 bytes
	Interrupt: pin A routed to IRQ 5
	Region 0: Memory at 10021000 (32-bit, non-prefetchable) [size=4K]
	Kernel driver in use: ohci_hcd

00:0b.1 USB Controller [0c03]: RDC Semiconductor, Inc. R6061 USB 2.0
Controller [17f3:6061] (rev 02) (prog-if 20 [EHCI])
	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: 32 bytes
	Interrupt: pin B routed to IRQ 9
	Region 0: Memory at 10022100 (32-bit, non-prefetchable) [size=256]
	Kernel driver in use: ehci_hcd

00:0c.0 Mass storage controller [0180]: RDC Semiconductor, Inc. R1010
IDE Controller [17f3:1010] (rev 13)
	Subsystem: RDC Semiconductor, Inc. R1010 IDE Controller [17f3:1010]
	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 (2000ns min, 2000ns max)
	Interrupt: pin A routed to IRQ 14
	Region 0: I/O ports at 01f0 [size=8]
	Region 1: I/O ports at 03f4 [size=4]
	Region 2: I/O ports at 0170 [size=8]
	Region 3: I/O ports at 0374 [size=4]
	Region 4: I/O ports at fff0 [size=16]
	[virtual] Expansion ROM at 10000000 [disabled] [size=128K]
	Capabilities: [80] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
	Kernel driver in use: pata_it821x


** USB devices:
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i586)

Kernel: Linux 2.6.32-5-486
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages linux-image-2.6.32-5-486 depends on:
ii  debconf [debconf-2.0]         1.5.35     Debian configuration management sy
ii  initramfs-tools [linux-initra 0.98.4     tools for generating an initramfs
ii  linux-base                    2.6.32-23  Linux image base package
ii  module-init-tools             3.12-1     tools for managing Linux kernel mo

Versions of packages linux-image-2.6.32-5-486 recommends:
pn  firmware-linux-free           <none>     (no description available)

Versions of packages linux-image-2.6.32-5-486 suggests:
pn  grub | lilo                   <none>     (no description available)
pn  linux-doc-2.6.32              <none>     (no description available)

Versions of packages linux-image-2.6.32-5-486 is related to:
pn  firmware-bnx2                 <none>     (no description available)
pn  firmware-bnx2x                <none>     (no description available)
pn  firmware-ipw2x00              <none>     (no description available)
pn  firmware-ivtv                 <none>     (no description available)
pn  firmware-iwlwifi              <none>     (no description available)
pn  firmware-linux                <none>     (no description available)
pn  firmware-linux-nonfree        <none>     (no description available)
pn  firmware-qlogic               <none>     (no description available)
pn  firmware-ralink               <none>     (no description available)
pn  xen-hypervisor                <none>     (no description available)

-- debconf information:
  linux-image-2.6.32-5-486/prerm/removing-running-kernel-2.6.32-5-486: true
  linux-image-2.6.32-5-486/postinst/ignoring-do-bootloader-2.6.32-5-486:
  linux-image-2.6.32-5-486/postinst/depmod-error-initrd-2.6.32-5-486: false
  linux-image-2.6.32-5-486/postinst/missing-firmware-2.6.32-5-486:

Attachment: 2.6.32-5-486-crash.log
Description: Binary data


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