drivers/char/random.c line 728 BUG

From: Aaron Straus
Date: Tue Aug 26 2008 - 19:23:51 EST


Hi,

We saw this oops. Kernel is vanilla 2.6.26.2. Machine is Dell
PowerEdge 1750.

I saw one other instance mentioned on kerneloops but the link didn't
seem to go to the proper place.

Let me know if you need more information.

Thanks,
=a=

------------[ cut here ]------------
kernel BUG at drivers/char/random.c:728!
invalid opcode: 0000 [#1] PREEMPT SMP
Modules linked in: nfs lockd autofs4 sunrpc firmware_class ohci_hcd usbcore tg3 [last unloaded: x_tables]

Pid: 31251, comm: python Not tainted (2.6.26.2-asb #18)
EIP: 0060:[<c0219cd7>] EFLAGS: 00010206 CPU: 1
EIP is at account+0x1f/0xca
EAX: 00000400 EBX: c03c2f98 ECX: 00000000 EDX: 00001000
ESI: c03c2f98 EDI: 00001000 EBP: 00000000 ESP: f6b8ff38
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process python (pid: 31251, ti=f6b8e000 task=f790c6c0 task.ti=f6b8e000)
Stack: 3e2efd76 00000000 1ff38c67 32a39c7a 00001000 c03c2f98 c021a215 b76a6000
c021a183 00000000 00000001 b76a6000 c014f8ed 00000000 f71e7a80 b76a6000
c021a215 00001000 c015d9e3 f6b8ffa0 f71e7a80 fffffff7 00000000 f6b8e000
Call Trace:
[<c021a215>] urandom_read+0x0/0xa
[<c021a183>] extract_entropy_user+0x21/0xb3
[<c014f8ed>] do_mmap_pgoff+0x1e7/0x232
[<c021a215>] urandom_read+0x0/0xa
[<c015d9e3>] vfs_read+0x81/0xf4
[<c015dd96>] sys_read+0x3c/0x63
[<c0102bf1>] sysenter_past_esp+0x6a/0x91
[<c0300000>] native_cpu_up+0x2ee/0x63d
=======================
Code: 5f 5d e9 b5 a3 0e 00 5b 5e 5f 5d c3 55 57 56 53 83 ec 10 89 c3 89 d7 89 4c 24 04 8b 6c 24 24 8b 00 8b 00 c1 e0 05 39 43 1c 7e 04 <0f> 0b eb fe 8d 43 14 89 44 24 08 e8 39 a1 0e 00 89 44 24 0c 8b
EIP: [<c0219cd7>] account+0x1f/0xca SS:ESP 0068:f6b8ff38
---[ end trace 275ff84df4f1fc30 ]---

--
===================
Aaron Straus
aaron@xxxxxxxxxxxxx
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