On Thu, Aug 01, 2002 at 04:26:23PM +0200, J.A. Magallon wrote:
>
> On 20020801 Andrea Arcangeli wrote:
> > On Thu, Aug 01, 2002 at 07:51:24AM +0200, Andrea Arcangeli wrote:
> > > This may be the last update for a week (unless there's a quick bug to
> > > fix before next morning :). I wanted to ship async-io and largepage
> >
> > I would like to thank Randy Hron for reproducing this problem so
> > quickly with the ltp testsuite:
> >
> > >>EIP; 80132cc2 <shmem_writepage+22/130> <=====
> >
>
> Can be related to this (which I get on every shm related op, like a pipe in
> bzip2 -cd | patch -p1 ):
>
> kernel BUG at page_alloc.c:98!
> invalid operand: 0000 2.4.19-rc5-jam0 #1 SMP Thu Aug 1 12:28:09 CEST 2002
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ I love it :)
> CPU: 0
> EIP: 0010:[__free_pages_ok+87/752] Tainted: P
> EIP: 0010:[<8013d227>] Tainted: P
> Using defaults from ksymoops -t elf32-i386 -a i386
> EFLAGS: 00210286
> eax: 00000000 ebx: 81128b10 ecx: 81128b10 edx: 00000000
> esi: 8631fe74 edi: 00000000 ebp: 00000000 esp: 874e1f08
> ds: 0018 es: 0018 ss: 0018
> Process bonobo-moniker- (pid: 2103, stackpage=874e1000)
> Stack: 00000000 8631fee4 8631fee8 00000115 00000000 00000000 8631fdc0 00000115
> 00000115 00000000 8631fdc0 80141c8b 874e1f3c 81128b10 2b331000 00000000
> 00000000 00001000 80141d6b 86fcb660 86fcb680 874e1f60 00000115 00000eeb
> Call Trace: [do_shmem_file_read+299/432] [shmem_file_read+91/128] [sys_read+150/272] [system_call+51/56]
> Call Trace: [<80141c8b>] [<80141d6b>] [<801454b6>] [<80108e4b>]
> Code: 0f 0b 62 00 7d 55 27 80 8b 0d 10 50 32 80 89 d8 29 c8 69 c0
>
>
> >>EIP; 8013d227 <__free_pages_ok+57/2f0> <=====
this is another issue, here the fix:
--- 2.4.19rc5aa1/mm/shmem.c.~1~ Thu Aug 1 17:04:45 2002
+++ 2.4.19rc5aa1/mm/shmem.c Thu Aug 1 19:56:38 2002
@@ -1178,8 +1178,6 @@ static void do_shmem_file_read(struct fi
__free_page(page);
else
page_cache_release(page);
-
- page_cache_release(page);
}
*ppos = ((loff_t) index << page_shift) + offset;
Andrea
-
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This archive was generated by hypermail 2b29 : Wed Aug 07 2002 - 22:00:16 EST