[Xen-bugs] [Bug 1265] PVM domU kernel oops

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1265


sebastia@xxxxxxxxxxxxxxxxxxxx changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |critical
           Priority|P2                          |P1




------- Comment #2 from sebastia@xxxxxxxxxxxxxxxxxxxx  2008-05-30 00:38 -------
As the server has 4 CPU Cores, we thought, giving the domU 3 cores, and the
last one to the dom0 could fix the problem, but that was not the case.

It happened again, now with only 3 cores configured for the domU:
Oops: 0011 [#1]
SMP
last sysfs file: /devices/system/cpu/cpu2/online
Modules linked in: appletalk ax25 ipx p8023 nfs lockd nfs_acl sunrpc
iptable_filter ip_tables ip6_tables x_tables binfmt_misc 8250 serial_core loop
dm_mod ext3 jbd mbcache xenblk xennet
CPU:    1
EIP:    0061:[<c14feca0>]    Tainted: G      N VLI
EFLAGS: 00010206   (2.6.22.17-0.1-xenpae #1)
EIP is at 0xc14feca0
eax: c133c8a0   ebx: c133c8a0   ecx: c100a21c   edx: 00000000
esi: cb405ee8   edi: 00040000   ebp: 00000000   esp: cb405ea0
ds: 007b   es: 007b   fs: 00d8  gs: 0000  ss: 0069
Process kstartupconfig (pid: 14712, ti=cb404000 task=d686b030 task.ti=cb404000)
Stack: c014a4cf bfd23fff 001154cf 00000003 cb405ee8 cb405ed8 c100a22c c014a65a
       c133c8a0 c0348580 c0348580 c014cc01 00000004 00000004 00000004 00000000
       c130f880 c12eeac0 c1384480 c133c8a0 c12eea20 c130f820 c12eea60 c1392600
Call Trace:
 [<c014a4cf>] free_hot_cold_page+0x1b/0x18e
 [<c014a65a>] __pagevec_free+0x18/0x22
 [<c014cc01>] release_pages+0x1a2/0x1aa
 [<c015d6a6>] free_pages_and_swap_cache+0x6b/0x7f
 [<c0157c5f>] exit_mmap+0xb9/0xe5
 [<c011b05f>] mmput+0x21/0x78
 [<c011fc95>] do_exit+0x1f3/0x755
 [<c0125a85>] recalc_sigpending+0xb/0x1d
 [<c0125b38>] sigprocmask+0xa1/0xdc
 [<c0120282>] sys_exit_group+0x0/0xd
 [<c01048ee>] syscall_call+0x7/0xb
 =======================
Code: c1 01 00 58 ec 4f c1 18 26 4e c1 00 00 00 00 01 00 00 00 ff ff ff ff 94
7f 3b c0 00 00 00 00 80 d4 4b c1 00 01 10 00 00 02 20 00 <00> 00 00 00 01 00 00
00 ff ff ff ff b4 c8 33 c1 00 00 00 00 a0
EIP: [<c14feca0>] 0xc14feca0 SS:ESP 0069:cb405ea0
Fixing recursive fault but reboot is needed!
------------[ cut here ]------------
kernel BUG at lib/radix-tree.c:447!
invalid opcode: 0000 [#2]
SMP
last sysfs file: /devices/system/cpu/cpu2/online
Modules linked in: appletalk ax25 ipx p8023 nfs lockd nfs_acl sunrpc
iptable_filter ip_tables ip6_tables x_tables binfmt_misc 8250 serial_core loop
dm_mod ext3 jbd mbcache xenblk xennet
CPU:    0
EIP:    0061:[<c01c5be9>]    Tainted: G      N VLI
EFLAGS: 00010096   (2.6.22.17-0.1-xenpae #1)
EIP is at radix_tree_tag_set+0x1c/0x94
eax: e577b510   ebx: 00000002   ecx: 00000001   edx: c1730540
esi: e577b50c   edi: 00000000   ebp: e577b510   esp: c425bd6c
ds: 007b   es: 007b   fs: 00d8  gs: 0000  ss: 0069
Process pdflush (pid: 80, ti=c425a000 task=c0b74ab0 task.ti=c425a000)
Stack: c0348580 00000001 c1730540 c168a940 e577b50c 00000000 00000000 c014bed9
       e577b40c c98a1ac0 c168a940 c168a940 ee269f63 c425bea4 e577b334 c168a940
       c168a940 c168a940 c425bea4 ee26acc8 c425be48 c425bf74 e577b464 00000000
Call Trace:
 [<c014bed9>] test_set_page_writeback+0x60/0xab
 [<ee269f63>] nfs_page_async_flush+0x8a/0x101 [nfs]
 [<ee26acc8>] nfs_writepage_locked+0x97/0x170 [nfs]
 [<c014691d>] find_get_pages_tag+0x33/0x8f
 [<ee26adaa>] nfs_writepage+0x9/0x17 [nfs]
 [<c014b3b8>] __writepage+0x8/0x21
 [<c014b718>] write_cache_pages+0x15d/0x275
 [<c014b3b0>] __writepage+0x0/0x21
 [<ee26b566>] nfs_flush_one+0x9e/0xe5 [nfs]
 [<ee26a202>] nfs_writepages+0x0/0x63 [nfs]
 [<c014b84f>] generic_writepages+0x1f/0x26
 [<ee26a24b>] nfs_writepages+0x49/0x63 [nfs]
 [<ee26b4c8>] nfs_flush_one+0x0/0xe5 [nfs]
 [<ee26a202>] nfs_writepages+0x0/0x63 [nfs]
 [<c014b876>] do_writepages+0x20/0x30
 [<c017f25f>] __writeback_single_inode+0x1a1/0x320
 [<c017f6bc>] sync_sb_inodes+0x16a/0x225
 [<c017fab7>] writeback_inodes+0x6a/0xb3
 [<c014be17>] wb_kupdate+0x7c/0xde
 [<c014c21f>] pdflush+0x149/0x1fb
 [<c014bd9b>] wb_kupdate+0x0/0xde
 [<c014c0d6>] pdflush+0x0/0x1fb
 [<c012df3a>] kthread+0x38/0x5e
 [<c012df02>] kthread+0x0/0x5e
 [<c0104c07>] kernel_thread_helper+0x7/0x10
 =======================
Code: ff ff ff eb 02 31 c0 83 c4 0c 5b 5e 5f 5d c3 55 89 c5 57 56 53 83 ec 0c
89 54 24 08 89 4c 24 04 8b 18 3b 14 9d 28 89 37 c0 76 04 <0f> 0b eb fe 8b 78 08
6b c3 06 8d 70 fa 8b 44 24 04 8d 04 c5 10
EIP: [<c01c5be9>] radix_tree_tag_set+0x1c/0x94 SS:ESP 0069:c425bd6c


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