Bug#269604: marked as done (Problems with some firewalls)
Your message dated Fri, 24 Sep 2004 13:30:12 +0900
with message-id <20040924043012.GB25398@verge.net.au>
and subject line Bug#272983: kernel-image-2.6.8-1-686: TCP window scaling and broken router
has caused the attached Bug report 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.
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(administrator, Debian Bugs database)
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Date: Thu, 02 Sep 2004 14:55:50 +0200
From: Magnus Ekdahl <magnus@debian.org>
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To: submit@bugs.debian.org
Subject: Problems with some firewalls
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Subject: Problems with some firewalls
Package: kernel-image-2.6.8-1-k7
Version: 2.6.8-2
Severity: normal
Somewhere after the 18th of august I got problems downloading my mail fro=
m
pophost.ludd.luth.se. One of the administrators said that one possible
reason for this is that Linux can't handle that their firewall won't stri=
p
TCP packages initially. As I understand him this should not be specific t=
o
ludd, but should apply to other sites too for newer 2.6 kernels.
This is exactly what he said (unfortunately in Swedish)
>Det kan vara en m=F6jlighet. Finns det n=E5got st=E4lle att hitta mera=
info om
detta
>> problem?
>>
Ja, s=E4kert massor. Enligt vad jag l=E4ste =E4r det f=F6r att olika
brandv=E4ggar strippar TCP-options initialt. V=E5r brandv=E4gg g=F6r int=
e
det, men Linuxen fattar inte det. Det g=E5r att st=E4lla in n=E5nstans
i /proc hur den skall g=F6ra.
---
When asked for more info he admitted he didn't know anything else other t=
han=20
that it should only affect newer 2.6 kernels.
Still, whether he did guess the problem correctly or not changing back to
the 2.6.7-1-k7 kernel fixed the problem. The problem should be able to re=
produce
by trying to access www.ludd.luth.se, which works with 2.6.7-1-k7. The
connection hangs under 2.6.8-1-k7.
My kernels are somewhat unorthodox in that they need the nolapic option p=
assed to
them to start on the laptop in question, but hopefully it won't affect th=
is bug.
I don't experience the same problems as #268167.
-- System Information:
Debian Release: 3.1
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.8-1-k7
Locale: LANG=3Dsv_FI@euro, LC_CTYPE=3Dsv_FI@euro
Versions of packages kernel-image-2.6.8-1-k7 depends on:
ii coreutils [fileutils] 5.2.1-2 The GNU core utilities
ii fileutils 5.2.1-2 The GNU file management util=
ities
ii initrd-tools 0.1.74 tools to create initrd image=
for p
ii module-init-tools 3.1-pre5-6 tools for managing Linux ker=
nel mo
-- no debconf information
--------------050607030904000205080805
Content-Type: text/plain;
name="dmesg.txt"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline;
filename="dmesg.txt"
Linux version 2.6.8-1-k7 (dilinger@toaster.hq.voxel.net) (gcc version 3.3.4 (Debian 1:3.3.4-9)) #1 Sat Aug 28 13:44:52 EDT 2004
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000d0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000003bef0000 (usable)
BIOS-e820: 000000003bef0000 - 000000003beff000 (ACPI data)
BIOS-e820: 000000003beff000 - 000000003bf00000 (ACPI NVS)
BIOS-e820: 000000003bf00000 - 000000003c000000 (reserved)
BIOS-e820: 00000000fffc0000 - 0000000100000000 (reserved)
62MB HIGHMEM available.
896MB LOWMEM available.
On node 0 totalpages: 245488
DMA zone: 4096 pages, LIFO batch:1
Normal zone: 225280 pages, LIFO batch:16
HighMem zone: 16112 pages, LIFO batch:3
DMI 2.3 present.
ACPI: RSDP (v000 PTLTD ) @ 0x000f7450
ACPI: RSDT (v001 PTLTD RSDT 0x06040000 LTP 0x00000000) @ 0x3bef8bbb
ACPI: FADT (v001 ATI Raptor 0x06040000 ATI 0x000f4240) @ 0x3befee2b
ACPI: BOOT (v001 PTLTD $SBFTBL$ 0x06040000 LTP 0x00000001) @ 0x3befee9f
ACPI: SSDT (v001 PTLTD POWERNOW 0x06040000 LTP 0x00000001) @ 0x3befeec7
ACPI: DSDT (v001 ATI U1_M1535 0x06040000 MSFT 0x0100000d) @ 0x00000000
ACPI: PM-Timer IO Port: 0x8008
Built 1 zonelists
Kernel command line: BOOT_IMAGE=Linux-2.6.8 ro root=306 nolapic
Initializing CPU#0
PID hash table entries: 4096 (order 12: 32768 bytes)
Detected 1789.000 MHz processor.
Using pmtmr for high-res timesource
Console: colour VGA+ 80x25
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 965328k/981952k available (1527k kernel code, 15804k reserved, 694k data, 148k init, 64448k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay loop... 3555.32 BogoMIPS
Security Scaffold v1.0.0 initialized
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
CPU: After generic identify, caps: 0383f9ff c1cbf9ff 00000000 00000000
CPU: After vendor identify, caps: 0383f9ff c1cbf9ff 00000000 00000000
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 512K (64 bytes/line)
CPU: After all inits, caps: 0383f9ff c1cbf9ff 00000000 00000020
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: AMD mobile AMD Athlon(tm) XP2400+ stepping 00
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
checking if image is initramfs...it isn't (ungzip failed); looks like an initrd
Freeing initrd memory: 4592k freed
NET: Registered protocol family 16
PCI: PCI BIOS revision 2.10 entry at 0xfd87b, last bus=3
PCI: Using configuration type 1
mtrr: v2.0 (20020519)
ACPI: Subsystem revision 20040326
ACPI: IRQ9 SCI: Level Trigger.
ACPI: Interpreter enabled
ACPI: Using PIC for interrupt routing
ACPI: PCI Root Bridge [PCI0] (00:00)
PCI: Probing PCI hardware (bus 00)
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.AGPB._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 6 *10)
ACPI: PCI Interrupt Link [LNKB] (IRQs 7 *11)
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 6 10) *9
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 6 10) *0, disabled.
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 6 10) *0, disabled.
ACPI: PCI Interrupt Link [LNKF] (IRQs 7 *11)
ACPI: PCI Interrupt Link [LNKG] (IRQs *3 4 6 10)
ACPI: PCI Interrupt Link [LNKH] (IRQs *5 7)
ACPI: PCI Interrupt Link [LNKU] (IRQs 3 4 6 10) *9
ACPI: Device [FIR] status [0000000c]: functional but not present; setting present
ACPI: Embedded Controller [EC0] (gpe 24)
Linux Plug and Play Support v0.97 (c) Adam Belay
PnPBIOS: Scanning system for PnP BIOS support...
PnPBIOS: Found PnP BIOS installation structure at 0xc00f7480
PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0xa098, dseg 0x400
pnp: 00:00: ioport range 0x370-0x371 has been reserved
pnp: 00:0b: ioport range 0x4d0-0x4d1 has been reserved
pnp: 00:0b: ioport range 0x40b-0x40b has been reserved
pnp: 00:0b: ioport range 0x480-0x48f has been reserved
pnp: 00:0b: ioport range 0x4d6-0x4d6 has been reserved
pnp: 00:0b: ioport range 0x8000-0x803f has been reserved
pnp: 00:0b: ioport range 0x8040-0x807f could not be reserved
PnPBIOS: 18 nodes reported by PnP BIOS; 18 recorded by driver
PCI: Using ACPI for IRQ routing
ACPI: PCI Interrupt Link [LNKU] enabled at IRQ 10
ACPI: PCI interrupt 0000:00:02.0[A] -> GSI 10 (level, low) -> IRQ 10
ACPI: PCI Interrupt Link [LNKH] enabled at IRQ 5
ACPI: PCI interrupt 0000:00:06.0[A] -> GSI 5 (level, low) -> IRQ 5
ACPI: PCI Interrupt Link [LNKG] enabled at IRQ 3
ACPI: PCI interrupt 0000:00:08.0[A] -> GSI 3 (level, low) -> IRQ 3
ACPI: PCI Interrupt Link [LNKF] enabled at IRQ 11
ACPI: PCI interrupt 0000:00:0a.0[A] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI interrupt 0000:00:0a.1[A] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 10
ACPI: PCI interrupt 0000:00:0c.0[A] -> GSI 10 (level, low) -> IRQ 10
ACPI: PCI interrupt 0000:00:10.0[A]: no GSI
ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 11
ACPI: PCI interrupt 0000:00:12.0[A] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI interrupt 0000:01:05.0[A] -> GSI 10 (level, low) -> IRQ 10
Simple Boot Flag at 0x36 set to 0x1
highmem bounce pool size: 64 pages
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x0
Initializing Cryptographic API
ATI Northbridge, reserving I/O ports 0x3b0 to 0x3bb.
Activating ISA DMA hang workarounds.
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Serial: 8250/16550 driver $Revision: 1.90 $ 48 ports, IRQ sharing enabled
ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
ACPI: PCI interrupt 0000:00:08.0[A] -> GSI 3 (level, low) -> IRQ 3
ttyS47 at I/O 0x8828 (irq = 3) is a 8250
ttyS1 at I/O 0x8840 (irq = 3) is a 8250
ttyS2 at I/O 0x8850 (irq = 3) is a 8250
ttyS3 at I/O 0x8860 (irq = 3) is a 8250
ttyS4 at I/O 0x8870 (irq = 3) is a 8250
RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
serio: i8042 AUX port at 0x60,0x64 irq 12
serio: i8042 KBD port at 0x60,0x64 irq 1
input: AT Translated Set 2 keyboard on isa0060/serio0
NET: Registered protocol family 2
IP: routing cache hash table of 8192 buckets, 64Kbytes
TCP: Hash tables configured (established 262144 bind 65536)
NET: Registered protocol family 8
NET: Registered protocol family 20
ACPI: (supports S0 S3 S4 S5)
RAMDISK: cramfs filesystem found at block 0
RAMDISK: Loading 4592 blocks [1 disk] into ram disk... |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-done.
VFS: Mounted root (cramfs filesystem) readonly.
Freeing unused kernel memory: 148k freed
vesafb: probe of vesafb0 failed with error -6
NET: Registered protocol family 1
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
Warning: ATI Radeon IGP Northbridge is not yet fully tested.
ALI15X3: IDE controller at PCI slot 0000:00:10.0
ACPI: PCI interrupt 0000:00:10.0[A]: no GSI
ALI15X3: chipset revision 196
ALI15X3: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0x8080-0x8087, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0x8088-0x808f, BIOS settings: hdc:pio, hdd:pio
hda: IC25N040ATMR04-0, ATA DISK drive
Using anticipatory io scheduler
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: max request size: 128KiB
hda: 78140160 sectors (40007 MB) w/1740KiB Cache, CHS=16383/255/63, UDMA(100)
/dev/ide/host0/bus0/target0/lun0: p1 p2 p3 < p5 p6 >
hdc: TOSHIBA DVD-ROM SD-R2312, ATAPI CD/DVD-ROM drive
ide1 at 0x170-0x177,0x376 on irq 15
VFS: Can't find ext3 filesystem on dev hda6.
VFS: Can't find ext2 filesystem on dev hda6.
FAT: bogus number of reserved sectors
VFS: Can't find a valid FAT filesystem on dev hda6.
Unable to identify CD-ROM format.
NTFS driver 2.1.15 [Flags: R/O MODULE].
Unable to load NLS charset cp437
NTFS-fs error (device hda6): read_ntfs_boot_sector(): Primary boot sector is invalid.
NTFS-fs error (device hda6): read_ntfs_boot_sector(): Mount option errors=recover not used. Aborting without trying to recover.
NTFS-fs error (device hda6): ntfs_fill_super(): Not an NTFS volume.
ReiserFS: hda6: found reiserfs format "3.6" with standard journal
ReiserFS: hda6: using ordered data mode
ReiserFS: hda6: journal params: device hda6, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
ReiserFS: hda6: checking transaction log (hda6)
ReiserFS: hda6: Using r5 hash to sort names
VFS: Can't find ext3 filesystem on dev hda6.
VFS: Can't find ext2 filesystem on dev hda6.
FAT: bogus number of reserved sectors
VFS: Can't find a valid FAT filesystem on dev hda6.
Unable to identify CD-ROM format.
Unable to load NLS charset cp437
NTFS-fs error (device hda6): read_ntfs_boot_sector(): Primary boot sector is invalid.
NTFS-fs error (device hda6): read_ntfs_boot_sector(): Mount option errors=recover not used. Aborting without trying to recover.
NTFS-fs error (device hda6): ntfs_fill_super(): Not an NTFS volume.
ReiserFS: hda6: found reiserfs format "3.6" with standard journal
ReiserFS: hda6: using ordered data mode
ReiserFS: hda6: journal params: device hda6, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
ReiserFS: hda6: checking transaction log (hda6)
ReiserFS: hda6: Using r5 hash to sort names
Adding 1943856k swap on /dev/hda2. Priority:-1 extents:1
Real Time Clock Driver v1.12
usbcore: registered new driver usbfs
usbcore: registered new driver hub
usbcore: registered new driver usbkbd
drivers/usb/input/usbkbd.c: :USB HID Boot Protocol keyboard driver
natsemi dp8381x driver, version 1.07+LK1.0.17, Sep 27, 2002
originally by Donald Becker <becker@scyld.com>
http://www.scyld.com/network/natsemi.html
2.4.x kernel port by Jeff Garzik, Tjeerd Mulder
ACPI: PCI interrupt 0000:00:12.0[A] -> GSI 11 (level, low) -> IRQ 11
natsemi eth0: NatSemi DP8381[56] at 0xf88b4000 (0000:00:12.0), 00:0d:9d:59:67:ba, IRQ 11, port TP.
Capability LSM initialized
device-mapper: 4.1.0-ioctl (2003-12-10) initialised: dm@uk.sistina.com
NTFS volume version 3.1.
ACPI: PCI interrupt 0000:00:06.0[A] -> GSI 5 (level, low) -> IRQ 5
ohci_hcd: 2004 Feb 02 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
ohci_hcd: block sizes: ed 64 td 64
ACPI: PCI interrupt 0000:00:02.0[A] -> GSI 10 (level, low) -> IRQ 10
ohci_hcd 0000:00:02.0: ALi Corporation USB 1.1 Controller
ohci_hcd 0000:00:02.0: irq 10, pci mem f8945000
ohci_hcd 0000:00:02.0: new USB bus registered, assigned bus number 1
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 4 ports detected
Linux Kernel Card Services
options: [pci] [cardbus] [pm]
ACPI: PCI interrupt 0000:00:0a.0[A] -> GSI 11 (level, low) -> IRQ 11
Yenta: CardBus bridge found at 0000:00:0a.0 [6933:0002]
Yenta: ISA IRQ mask 0x0098, PCI irq 11
Socket status: 30000006
PCI: Enabling device 0000:00:0a.1 (0080 -> 0082)
ACPI: PCI interrupt 0000:00:0a.1[A] -> GSI 11 (level, low) -> IRQ 11
Yenta: CardBus bridge found at 0000:00:0a.1 [6933:0002]
Yenta: ISA IRQ mask 0x0098, PCI irq 11
Socket status: 30000006
ieee1394: Initialized config rom entry `ip1394'
ohci1394: $Rev: 1223 $ Ben Collins <bcollins@debian.org>
ACPI: PCI interrupt 0000:00:0c.0[A] -> GSI 10 (level, low) -> IRQ 10
ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[10] MMIO=[d0007000-d00077ff] Max Packet=[2048]
eth0: DSPCFG accepted after 0 usec.
eth0: link up.
eth0: Setting full-duplex based on negotiated link capability.
ieee1394: Host added: ID:BUS[0-00:1023] GUID[000d9d719e43c44f]
ACPI: Battery Slot [BAT1] (battery present)
ACPI: AC Adapter [ACAD] (on-line)
ACPI: Processor [CPU0] (supports C1 C2)
ACPI: Power Button (FF) [PWRF]
ACPI: Lid Switch [LID]
ACPI: Thermal Zone [THRM] (59 C)
input: ImExPS/2 Generic Explorer Mouse on isa0060/serio1
mice: PS/2 mouse device common for all mice
NET: Registered protocol family 10
Disabled Privacy Extensions on device c02f8de0(lo)
IPv6 over IPv4 tunneling driver
apm: BIOS not found.
eth0: no IPv6 routers present
--------------050607030904000205080805
Content-Type: text/plain;
name="lsmod.txt"
Content-Transfer-Encoding: 7bit
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filename="lsmod.txt"
Module Size Used by
ipv6 262340 8
mousedev 10444 2
psmouse 20232 0
thermal 12816 0
fan 4044 0
button 6360 0
processor 17392 1 thermal
ac 4876 0
battery 9484 0
ohci1394 35588 0
ieee1394 111352 1 ohci1394
yenta_socket 21568 0
pcmcia_core 70132 1 yenta_socket
ohci_hcd 21380 0
snd_ali5451 25288 0
snd_ac97_codec 69572 1 snd_ali5451
snd_pcm 97480 1 snd_ali5451
snd_page_alloc 11720 1 snd_pcm
snd_timer 25540 1 snd_pcm
snd 57380 4 snd_ali5451,snd_ac97_codec,snd_pcm,snd_timer
soundcore 10400 1 snd
nls_cp437 5760 1
dm_mod 59580 0
capability 4616 0
commoncap 7296 1 capability
natsemi 28448 0
crc32 4352 1 natsemi
usbkbd 7424 0
usbcore 118308 4 ohci_hcd,usbkbd
rtc 12728 0
reiserfs 244880 1
ntfs 102164 1
isofs 37752 0
vfat 14656 0
fat 46720 1 vfat
ext2 71720 0
ext3 126760 0
jbd 61784 1 ext3
mbcache 9220 2 ext2,ext3
ide_generic 1472 0
alim15x3 12492 1
ide_disk 19264 4
ide_core 138788 3 ide_generic,alim15x3,ide_disk
unix 28596 178
font 8448 0
vesafb 6688 0
cfbcopyarea 3776 1 vesafb
cfbimgblt 3072 1 vesafb
cfbfillrect 3712 1 vesafb
--------------050607030904000205080805
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name="lspci.txt"
Content-Transfer-Encoding: 7bit
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filename="lspci.txt"
0000:00:00.0 Host bridge: ATI Technologies Inc AGP Bridge [IGP 320M] (rev 13)
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
Latency: 32
Region 0: Memory at d4000000 (32-bit, prefetchable) [size=64M]
Region 1: Memory at d0500000 (32-bit, prefetchable) [size=4K]
Region 2: I/O ports at 8090 [disabled] [size=4]
Capabilities: <available only to root>
0000:00:01.0 PCI bridge: ATI Technologies Inc PCI Bridge [IGP 320M] (rev 01) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 99
Bus: primary=00, secondary=01, subordinate=01, sec-latency=68
I/O behind bridge: 00009000-00009fff
Memory behind bridge: d0100000-d01fffff
Prefetchable memory behind bridge: e0000000-efffffff
BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-
0000:00:02.0 USB Controller: ALi Corporation USB 1.1 Controller (rev 03) (prog-if 10 [OHCI])
Subsystem: Hewlett-Packard Company: Unknown device 0024
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (20000ns max)
Interrupt: pin A routed to IRQ 10
Region 0: Memory at d0004000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <available only to root>
0000:00:06.0 Multimedia audio controller: ALi Corporation M5451 PCI AC-Link Controller Audio Device (rev 02)
Subsystem: Hewlett-Packard Company: Unknown device 0024
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR+ <PERR+
Latency: 64 (500ns min, 6000ns max)
Interrupt: pin A routed to IRQ 5
Region 0: I/O ports at 8400 [size=256]
Region 1: Memory at d0005000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <available only to root>
0000:00:07.0 ISA bridge: ALi Corporation M1533 PCI to ISA Bridge [Aladdin IV]
Subsystem: ALi Corporation ALI M1533 Aladdin IV ISA Bridge
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Capabilities: <available only to root>
0000:00:08.0 Modem: ALi Corporation M5457 AC'97 Modem Controller (prog-if 00 [Generic])
Subsystem: Hewlett-Packard Company: Unknown device 0024
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 3
Region 0: Memory at d0006000 (32-bit, non-prefetchable) [size=4K]
Region 1: I/O ports at 8800 [size=256]
Capabilities: <available only to root>
0000:00:0a.0 CardBus bridge: O2 Micro, Inc. OZ6933 Cardbus Controller (rev 01)
Subsystem: Unknown device 6933:0002
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping+ SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 168
Interrupt: pin A routed to IRQ 11
Region 0: Memory at 80000000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=00, secondary=02, subordinate=05, sec-latency=176
Memory window 0: 81000000-81100000 (prefetchable)
Memory window 1: 3c400000-3c7ff000
I/O window 0: 00003000-0000307f
I/O window 1: 00004000-000040ff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt+ PostWrite+
16-bit legacy interface ports at 0001
0000:00:0a.1 CardBus bridge: O2 Micro, Inc. OZ6933 Cardbus Controller (rev 01)
Subsystem: Unknown device 6933:0002
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping+ SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 168
Interrupt: pin A routed to IRQ 11
Region 0: Memory at 3c000000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=00, secondary=06, subordinate=09, sec-latency=176
Memory window 0: 3c800000-3cbff000 (prefetchable)
Memory window 1: 3cc00000-3cfff000
I/O window 0: 00004400-000044ff
I/O window 1: 00004800-000048ff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt+ PostWrite+
16-bit legacy interface ports at 0001
0000:00:0c.0 FireWire (IEEE 1394): Texas Instruments TSB43AB21 IEEE-1394a-2000 Controller (PHY/Link) (prog-if 10 [OHCI])
Subsystem: Hewlett-Packard Company: Unknown device 0024
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (500ns min, 1000ns max), Cache Line Size: 0x10 (64 bytes)
Interrupt: pin A routed to IRQ 10
Region 0: Memory at d0007000 (32-bit, non-prefetchable) [size=2K]
Region 1: Memory at d0000000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <available only to root>
0000:00:10.0 IDE interface: ALi Corporation M5229 IDE (rev c4) (prog-if b0)
Subsystem: Hewlett-Packard Company: Unknown device 0024
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 32 (500ns min, 1000ns max)
Interrupt: pin A routed to IRQ 0
Region 4: I/O ports at 8080 [size=16]
Capabilities: <available only to root>
0000:00:11.0 Bridge: ALi Corporation M7101 Power Management Controller [PMU]
Subsystem: Hewlett-Packard Company: Unknown device 0024
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
0000:00:12.0 Ethernet controller: National Semiconductor Corporation DP83815 (MacPhyter) Ethernet Controller
Subsystem: Hewlett-Packard Company: Unknown device 0024
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 90 (2750ns min, 13000ns max)
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at 8c00 [size=256]
Region 1: Memory at d0008000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <available only to root>
0000:01:05.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility U1 (prog-if 00 [VGA])
Subsystem: Hewlett-Packard Company: Unknown device 0024
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping+ SERR- FastB2B+
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 66 (2000ns min), Cache Line Size: 0x10 (64 bytes)
Interrupt: pin A routed to IRQ 10
Region 0: Memory at e0000000 (32-bit, prefetchable) [size=256M]
Region 1: I/O ports at 9000 [size=256]
Region 2: Memory at d0100000 (32-bit, non-prefetchable) [size=64K]
Capabilities: <available only to root>
--------------050607030904000205080805
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Linux pcbmaekd 2.6.8-1-k7 #1 Sat Aug 28 13:44:52 EDT 2004 i686 GNU/Linux
--------------050607030904000205080805--
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Received: (at 272983-done) by bugs.debian.org; 24 Sep 2004 04:48:53 +0000
>From horms@koto.vergenet.net Thu Sep 23 21:48:53 2004
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Date: Fri, 24 Sep 2004 13:30:12 +0900
From: Horms <horms@debian.org>
To: Piotr Roszatycki <dexter@debian.org>, 272983-done@bugs.debian.org
Subject: Re: Bug#272983: kernel-image-2.6.8-1-686: TCP window scaling and broken router
Message-ID: <20040924043012.GB25398@verge.net.au>
References: <[🔎] E1CAOwK-0002P1-00@master.debian.org>
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On Thu, Sep 23, 2004 at 10:26:55AM +0200, Piotr Roszatycki wrote:
> Package: kernel-image-2.6.8-1-686
> Version: 2.6.8-3
> Severity: important
>
> Kernel 2.6.8 sets TCP window scaling to 7. It doesn't work with many broken
> routers including mine. It is possible to set
>
> net.ipv4.tcp_default_win_scale = 0
>
> in sysctl.conf, but I suggest to prepare the patch which restore old behaviour,
> analogical to ECN bit patch.
>
> See http://lwn.net/Articles/92727/
I believe the answer to this is no.
http://lwn.net/Articles/92733/
--
Horms
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