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Subject2.0.38 instability, continued
Date
[I'm not a member of this list, please Cc replies to me -- RAM]

There must be little interest in knowing about 2.0.38 bugs, but
some people might still be running 2.0.x series and not willing
to upgrade to 2.2.x.

So, here's another problem I just had (after a SCSI timeout on
a bus wrt CD-ROM read and a general bus reset had occured, say,
20 minutes ago; wwwoffle has its cache on a SCSI disk connected
to another card though):

Warning: kfree_skb passed an skb still on a list (from 007c4208).
general protection: 0000
CPU: 0
EIP: 0010:[sd_mod:revalidate_scsidisk+-168195392/828]
EFLAGS: 00010206
eax: 007cb001 ebx: 0134bc0c ecx: 00000203 edx: 01340a0d
esi: 007c4209 edi: 00000002 ebp: 00000004 esp: 018a9f14
ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Process wwwoffled (pid: 10251, process nr: 63, stackpage=018a9000)
Stack: 00000206 001394cc 007c4208 0134bc0c 0134bccc 00000000 00145690 007c4208
00000001 0134bc0c 077c5090 077c5090 0014f569 0134bc0c 00000000 077c5000
00000000 001367a0 077c5090 00000000 077c5000 077c5000 077c5000 bffffabc
Call Trace: [kfree_skb+136/244] [tcp_close+244/536] [inet_release+97/108]
[sock_release+92/156] [sock_close+37/44] [__fput+28/64] [close_fp+76/92]
[sys_close+68/80] [system_call+85/124]
Code: c0 a8 00 03 c0 a8 00 02 06 f1 1f 90 a4 e5 18 f3 30 d6 ea 88
general protection: 0000
CPU: 0
EIP: 0010:[sd_mod:revalidate_scsidisk+-168195392/828]
EFLAGS: 00010206
eax: 007cb218 ebx: 0134b018 ecx: 007c4209 edx: 00000000
esi: 007c4208 edi: 00000001 ebp: 0134b018 esp: 00c1feb0
ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Process wwwoffled (pid: 10254, process nr: 60, stackpage=00c1f000)
Stack: 00000206 0134b018 001394cc 007c4208 0134b018 0134b0d8 0f432230 00144f7f
007c4208 00000001 00000000 0134b0d8 001451c8 0134b018 0134b018 00c1ff7c
00000000 00000000 0f432230 0134b03c 00000000 00000000 006b2414 01939648
Call Trace: [kfree_skb+136/244] [cleanup_rbuf+83/148] [tcp_recvmsg+520/1036]
[inet_recvmsg+114/136] [sock_read+171/192] [sys_read+192/232]
[system_call+85/124]
Code: c0 a8 00 03 c0 a8 00 02 06 f1 1f 90 a4 e5 18 f3 30 d6 ea 88

This occurred during the reload of a cached page from a remote browser.
The two errors happened consecutively.

The machine on which this is occurring is a server. It's important that
it be stable. I'm going to try moving to 2.2.13 tomorrow.

Raphael

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