[Xen-bugs] [Bug 1410] New: kernel bug

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1410

           Summary: kernel bug
           Product: Xen
           Version: 3.0.3
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: uygar@xxxxxxxxxxxxx


BUG: unable to handle kernel paging
request at virtual address 04980098
 printing eip:
c0238357
11f84000 -> *pde = 00000000:49443001
11074000 -> *pme = 00000000:00000000
Oops: 0002 [#1]
SMP 
Modules linked in: nfs lockd nfs_acl sunrpc xt_tcpudp iptable_filter
ip_tables x_tables ipv6 8250 serial_core ext3 jbd mbcache dm_mirror
dm_snapshot dm_mod processor
CPU:    0
EIP:    0061:[<c0238357>]    Not tainted VLI
EFLAGS: 00010206   (2.6.18-6-xen-vserver-686 #1) 
EIP is at pskb_expand_head+0xbb/0x112
eax: 04980000   ebx: e7da3980   ecx: 00000001   edx: c7345340
esi: c73453e4   edi: d47a8724   ebp: d47a8680   esp: c9231c04
ds: 007b   es: 007b   ss: 0069
Process rpciod/0 (pid: 28501[#0], ti=c9230000 task=d8b26bf0
task.ti=c9230000)
Stack: d47a8000 d47a8000 ed7d0000 e7da3980 e7da3980 e7da3980 c02383ee
00000020 
       c9231cd8 000004c4 00000000 c7345010 ed7d0000 e7da3980 c7345210
e7da3980 
       c023de1c d1e266d4 d1e266e8 c7345210 c0259838 d1e266c0 00004560
cc2b9010 
Call Trace:
 [<c02383ee>] __pskb_pull_tail+0x40/0x22e
 [<c023de1c>] dev_queue_xmit+0xe8/0x2e4
 [<c0259838>] ip_finish_output2+0xf6/0x12c
 [<c0259214>] ip_fragment+0x310/0x6d1
 [<c0259742>] ip_finish_output2+0x0/0x12c
 [<c0257eb4>] dst_output+0x0/0x7
 [<c0250f12>] nf_hook_slow+0x3a/0x90
 [<c025a775>] ip_output+0xd1/0x1fc
 [<c025834e>] ip_push_pending_frames+0x2f4/0x3a7
 [<c0271312>] udp_push_pending_frames+0x1e9/0x20a
 [<c0271d42>] udp_sendmsg+0x53d/0x622
 [<c0294d20>] _spin_lock_bh+0x8/0x18
 [<c0235209>] lock_sock+0x89/0x91
 [<c0294d20>] _spin_lock_bh+0x8/0x18
 [<c02350fb>] release_sock+0xc/0x91
 [<c0271d4b>] udp_sendmsg+0x546/0x622
 [<c02772b7>] inet_sendmsg+0x35/0x3f
 [<c0232ea4>] sock_sendmsg+0xd4/0x1a6
 [<c012c2ed>] autoremove_wake_function+0x0/0x2d
 [<c012c2ed>] autoremove_wake_function+0x0/0x2d
 [<c014bb3f>] set_page_address+0x9f/0x131
 [<c014c391>] kmap_high+0x1d9/0x220
 [<c0234930>] kernel_sendmsg+0x27/0x35
 [<c02352cf>] sock_no_sendpage+0x4d/0x60
 [<ee1ac068>] xs_udp_send_request+0x1c0/0x2a2 [sunrpc]
 [<c0235282>] sock_no_sendpage+0x0/0x60
 [<ee1a9fa6>] xprt_transmit+0xca/0x1a9 [sunrpc]
 [<ee146a4c>] nfs3_xdr_writeargs+0x0/0x7a [nfs]
 [<ee1a837e>] call_transmit+0x19b/0x1c8 [sunrpc]
 [<ee1ace3b>] __rpc_execute+0x7a/0x198 [sunrpc]
 [<c0129420>] run_workqueue+0x78/0xb5
 [<ee1acf59>] rpc_async_schedule+0x0/0x5 [sunrpc]
 [<c0129d16>] worker_thread+0xd9/0x10b
 [<c01158eb>] default_wake_function+0x0/0xc
 [<c0129c3d>] worker_thread+0x0/0x10b
 [<c012c220>] kthread+0xc0/0xec
 [<c012c160>] kthread+0x0/0xec
 [<c010293d>] kernel_thread_helper+0x5/0xb
Code: 8b 54 ca 14 8b 02 f6 c4 40 74 03 8b 52 0c 90 ff 42 04 41 8b 93 a8
00 00 00 0f b7 42 04 39 c1 7c df 8b 42 10 85 c0 75 0b eb 0d 90 <ff> 80
98 00 00 00 8b 00 85 c0 75 f3 89 d8 e8 af fe ff ff 8b 83 
EIP: [<c0238357>] pskb_expand_head+0xbb/0x112 SS:ESP 0069:c9231c04


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