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SubjectRe: bad pmd filemap.c, oops; 2.4.30 and 2.4.32
On Thu, 5 Jan 2006, Willy Tarreau wrote:
> On Wed, Jan 04, 2006 at 07:52:36PM -0800, Chris Stromsoe wrote:
>
>> I booted 2.4.32 with the aic7xxx patch you pointed me at last week.
>> It's been up for a few hours. I'll let it run for at least a week or
>> two and will report back positive or negative results. After that,
>> I'll try 2.4.32 with nosmp and acpi=off.
>
> Thanks for your continued feedback, Chris. Your reports are very
> helpful, they tend to prove that your hardware is OK and that there's a
> bug in mainline 2.4.32 with SMP+ACPI+aic7xxx enabled. That's already a
> good piece of information.

After a little more than one day up with 2.4.32 SMP+ACP+aic7xxx, I got
another bad pmd and an oops this morning at 4:23am. I'm going to boot
vanilla 2.4.32 with nosmp and acpi=off.


-Chris

ksymoops 2.4.9 on i686 2.4.32-aic79xx. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.32-aic79xx/ (default)
-m /boot/System.map-2.4.32-aic79xx (specified)

Unable to handle kernel paging request at virtual address c2deee80
c025b3d3
*pde = 02c001e3
Oops: 0002
CPU: 2
EIP: 0010:[alloc_skb+275/480] Not tainted
EFLAGS: 00010282
eax: c2deee80 ebx: e0508880 ecx: 000006bc edx: 00000680
esi: 000001f0 edi: 00000000 ebp: f6cf7df0 esp: f6cf7ddc
ds: 0018 es: 0018 ss: 0018
Process innfeed (pid: 523, stackpage=f6cf7000)
Stack: 000006bc 000001f0 f3023b80 00000000 d307e000 f6cf7e68 c027cd2b 00000680
000001f0 000005a8 00000000 f6cf7e54 00000000 00000283 cb3f3000 c025a339
c8083280 00000000 00000000 c43428a0 f6cf6000 461800d6 00009bc7 00010430
Call Trace: [tcp_sendmsg+2619/4512] [sock_wfree+73/80] [inet_sendmsg+65/80] [sock_sendmsg+102/176] [sock_readv_writev+116/176]
Code: c7 00 01 00 00 00 8b 83 8c 00 00 00 c7 40 04 00 00 00 00 8b
Using defaults from ksymoops -t elf32-i386 -a i386


>>eax; c2deee80 <_end+2a0b300/3864e4e0>
>>ebx; e0508880 <_end+20124d00/3864e4e0>
>>ebp; f6cf7df0 <_end+36914270/3864e4e0>
>>esp; f6cf7ddc <_end+3691425c/3864e4e0>

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: c7 00 01 00 00 00 movl $0x1,(%eax)
Code; 00000006 Before first symbol
6: 8b 83 8c 00 00 00 mov 0x8c(%ebx),%eax
Code; 0000000c Before first symbol
c: c7 40 04 00 00 00 00 movl $0x0,0x4(%eax)
Code; 00000013 Before first symbol
13: 8b 00 mov (%eax),%eax

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