lkml.org 
[lkml]   [2006]   [Jul]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectEeek! page_mapcount(page) went negative! (-1)
A user at http://bugs.gentoo.org/138366 reported a one-off crash on x86 
with 2.6.16.19. Here's hoping it might be useful to somebody:

Eeek! page_mapcount(page) went negative! (-1)
page->flags = 8001003c
page->count = 1
page->mapping = f6ad2418
------------[ cut here ]------------
kernel BUG at mm/rmap.c:560!
invalid opcode: 0000 [#1]
PREEMPT
CPU: 0
EIP is at page_remove_rmap+0x93/0xa0
eax: ffffffff ebx: c1234040 ecx: 0000827e edx: c0374d01
esi: b2570000 edi: c1234040 ebp: cdf8bf2c esp: cdf8be84
ds: 007b es: 007b ss: 0068
Process X (pid: 27937, threadinfo=cdf8a000 task=dc73da90)
Stack: <0>c0327022 f6ad2418 dc6fd5c0 c014592f c1234040 b2570000
11a0 2067 11a02067
fffffffc ffffffff d6c562e0 b26ab000 e465fb28 b26ab000
cdf8bf2 c c0145ac5
c03dbbec f0cd96fc e465fb24 b256c000 b26ab000 cdf8bf2c
0000000 0 b26aafff
Call Trace:
[zap_pte_range+351/576] zap_pte_range+0x15f/0x240
[<c014592f>] zap_pte_range+0x15f/0x240
[unmap_page_range+181/320] unmap_page_range+0xb5/0x140
[<c0145ac5>] unmap_page_range+0xb5/0x140
[unmap_vmas+239/496] unmap_vmas+0xef/0x1f0
[<c0145c3f>] unmap_vmas+0xef/0x1f0
[unmap_region+149/304] unmap_region+0x95/0x130
[<c014a255>] unmap_region+0x95/0x130
[do_munmap+275/384] do_munmap+0x113/0x180
[<c014a5d3>] do_munmap+0x113/0x180
[sys_munmap+68/112] sys_munmap+0x44/0x70
[<c014a684>] sys_munmap+0x44/0x70
[sysenter_past_esp+84/117] sysenter_past_esp+0x54/0x75
[<c0102ddb>] sysenter_past_esp+0x54/0x75
Code: 53 0c 8b 42 04 c7 04 24 0b 70 32 c0 40 89 44 24 04 e8 c2 b0
fc ff 8b 43 10 c7 04 24 22 70 32 c0 89 44 24 04 e8 af b0 fc ff eb 86
<0f> 0b
30 02 e0 6f 32 c0 eb 82 8d 76 00 83 ec 2c 89 5c 24 1c 8b
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-07-02 00:07    [W:0.049 / U:0.660 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site