[Xen-bugs] [Bug 254] New: Oops in NFS

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=254

           Summary: Oops in NFS
           Product: Xen
           Version: unstable
          Platform: All
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: kip.macy@xxxxxxxxx


I don't know if this is tied to my lockups or not.
Vanilla supermicro dual dual-core opteron 8GB RAM, dom0_mem=1GB. I wasn't doing
much besides looking through some files.

Unable to handle kernel paging request at virtual address 736e7970
 printing eip:
c0461b59
*pde = ma 00000000 pa 55555000
Oops: 0002 [#1]
PREEMPT 
Modules linked in: video thermal processor fan button battery ac
CPU:    0
EIP:    0061:[<c0461b59>]    Not tainted VLI
EFLAGS: 00010202   (2.6.12-xen0) 
EIP is at put_rpccred+0x9/0x30
eax: 000626fa   ebx: f2a80e18   ecx: f2a80ea8   edx: 736e7964
esi: f2a80e64   edi: ee80fe88   ebp: 00000004   esp: ee80fe64
ds: 007b   es: 007b   ss: 0069
Process zcat (pid: 27366, threadinfo=ee80e000 task=f350e510)
Stack: c01fe7d8 736e7964 f2a80e64 ee80fe88 c0701700 c01fe858 f2a80e64 ee80fe88 
       ee80fe88 000626fa c0701700 00000007 00000000 c0701700 c0701700 f2a80e64 
       00000004 c01fe953 f2a80e64 c0701700 00000004 f2a80e64 c01fe890 ee80ff58 
Call Trace:
 [<c01fe7d8>] nfs_access_add_cache+0x58/0x60
 [<c01fe858>] nfs_do_access+0x78/0xb0
 [<c01fe953>] nfs_permission+0xc3/0x190
 [<c01fe890>] nfs_permission+0x0/0x190
 [<c01763a2>] permission+0xa2/0xb0
 [<c0178355>] may_open+0x65/0x230
 [<c0178644>] open_namei+0x124/0x650
 [<c0165c8b>] filp_open+0x3b/0x70
 [<c0165f6c>] get_unused_fd+0x2c/0xd0
 [<c0166119>] sys_open+0x49/0x90
 [<c0108fa5>] syscall_call+0x7/0xb
Code: 40 0c 8b 40 08 89 44 24 08 0f b7 83 b0 00 00 00 c7 04 24 e2 66 4d c0 89 44
24 04 e8 72 d6 cb ff eb c1 8b 54 24 04 a1 c0 f1 4e c0 <89> 42 0c ff 4a 10 0f 94
c0 84 c0 75 01 c3 8b 42 08 89 54 24 04

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