Re: bad pmd filemap.c, oops; 2.4.30 and 2.4.32

[Chris Stromsoe]

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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