Re: Kernel 3.0: Instant kernel crash when mounting CIFS (also crashes with linux-3.1-rc2

[Justin Piszcz <jpiszcz-BP4nVm5VUdNhbmWW9KSYcQ@public.gmane.org>]

On Mon, 15 Aug 2011, Justin Piszcz wrote:

>
>
> On Mon, 15 Aug 2011, Justin Piszcz wrote:
>
>> On Mon, 15 Aug 2011, Jeff Layton wrote:
>>

Hi,

Tried with linux-3.1-rc2 and:

You don't even need to get a successful mount:

Does anyone know if any kernel supports CIFS w/out crashing? I'd like to 
backup some CIFS shares, thanks.


mount -t cifs //w2/x /mnt -o user=user,pass=pass

[  881.388836] CIFS VFS: cifs_mount failed w/return code = -22
Message from syslogd@acerlw at Aug 17 15:14:11 ...
  kernel:[  903.639362] ------------[ cut here ]------------

Message from syslogd@acerlw at Aug 17 15:14:11 ...
  kernel:[  903.639380] invalid opcode: 0000 [#1] SMP

Message from syslogd@acerlw at Aug 17 15:14:11 ...
  kernel:[  903.639540] Stack:

Message from syslogd@acerlw at Aug 17 15:14:11 ...
  kernel:[  903.639573] Call Trace:

Message from syslogd@acerlw at Aug 17 15:14:11 ...
  kernel:[  903.639649] Code: 00 e9 d2 00 00 00 49 8b 07 49 39 c7 75 15 49 8b 47 20 41 c7 47 60 01 00 00 00 4c 39 d0 0f 84 ad 00 00 00 8b 53 18 39 50 20 72 2f <0f> 0b 44 8b 40 24 8b 53 0c ff c6 41 8b 3c 24 89 70 20 41 0f af

Message from syslogd@acerlw at Aug 17 15:14:20 ...
  kernel:[  912.901194] Oops: 0002 [#2] SMP

Message from syslogd@acerlw at Aug 17 15:14:20 ...
  kernel:[  912.901343] Stack:

Message from syslogd@acerlw at Aug 17 15:14:20 ...
  kernel:[  912.901375] Call Trace:

Message from syslogd@acerlw at Aug 17 15:14:20 ...
  kernel:[  912.901516] Code: e8 3b fd ff ff 48 8b 43 58 2a 43 50 88 43 4e eb e9 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 f8 89 d1 c1 e9 03 83 e2 07 <f3> 48 a5 89 d1 f3 a4 c3 20 48 83 ea 20 4c 8b 06 4c 8b 4e 08 4c

Message from syslogd@acerlw at Aug 17 15:14:20 ...
  kernel:[  912.901590] CR2: 0000000000000200

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  906.705093] Stack:

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  906.705093] Call Trace:

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  906.705093] Code: f0 66 0f c1 17 38 f2 74 06 f3 90 8a 17 eb f6 c3 0f 1f 84 00 00 00 00 00 fa b8 00 01 00 00 f0 66 0f c1 07 38 e0 74 06 f3 90 8a 07 <eb> f6 c3 66 2e 0f 1f 84 00 00 00 00 00 fe 07 56 9d f7 c6 00 02

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  905.287886] Stack:

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  905.287886] Call Trace:

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  905.287886] Code: 94 c2 0f b6 c2 85 c0 0f 95 c0 0f b6 c0 c3 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 b8 00 01 00 00 f0 66 0f c1 07 38 e0 74 06 <f3> 90 8a 07 eb f6 c3 66 66 2e 0f 1f 84 00 00 00 00 00 9c 58 fa

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  965.289061] Stack:

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  965.289061] Call Trace:

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  965.289061] Code: 66 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 04 25 08 b6 00 00 83 a0 3c e0 ff ff fb 0f ae f0 48 8b 80 38 e0 ff ff a8 08 75 13 fb f4

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  965.289082] Stack:

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  965.289082] Call Trace:

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  965.289082]  <IRQ>

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  965.289082]  <EOI>

Message from syslogd@acerlw at Aug 17 15:15:12 ...
  kernel:[  965.289082] Code: 00 00 00 48 ff c8 75 fb 48 ff c8 c3 0f 1f 80 00 00 00 00 48 8b 05 71 c3 96 00 ff e0 0f 1f 80 00 00 00 00 48 8d 04 bd 00 00 00 00


Justin.