Re: [Xen-users] Constan kernel oopses involving vfs_stat_fd and vfs_lstat_fd

[Phil Evans <xenmail@xxxxxxxxxxxx>]

All of the filesystems that I am using are ext3.  Also, since the last 
message I have also received this error:
Mar 24 13:01:17 hydra kernel: kernel BUG at lib/radix-tree.c:610!
Mar 24 13:01:17 hydra kernel: invalid opcode: 0000 [#1]
Mar 24 13:01:17 hydra kernel: SMP
Mar 24 13:01:17 hydra kernel: Modules linked in: xt_tcpudp xt_physdev 
iptable_filter ip_tables x_tables bridge autofs4 hidp l2cap bluetooth 
ipv6 vid
eo button battery ac lp parport_pc parport nvram uhci_hcd ehci_hcd sg 
e1000 i2c_i801 i2c_core i6300esb e752x_edac edac_mc dm_snapshot dm_zero 
dm_mir
ror dm_mod ext3 jbd ata_piix libata sd_mod scsi_mod
Mar 24 13:01:17 hydra kernel: CPU:    0
Mar 24 13:01:17 hydra kernel: EIP:    0061:[<c01cc786>]    Not tainted VLI
Mar 24 13:01:17 hydra kernel: EFLAGS: 00010046   (2.6.15-1.2054_FC5xen0 #1)
Mar 24 13:01:17 hydra kernel: EIP is at 
radix_tree_gang_lookup_tag+0xa5/0x173
Mar 24 13:01:17 hydra kernel: eax: ffffffff   ebx: 00000080   ecx: 
00000002   edx: 00000000
Mar 24 13:01:17 hydra kernel: esi: c04a3e48   edi: ea536f44   ebp: 
00000002   esp: c04a3d98
Mar 24 13:01:17 hydra kernel: ds: 007b   es: 007b   ss: 0069
Mar 24 13:01:17 hydra kernel: Process pdflush (pid: 190, 
threadinfo=c04a2000 task=f3f56650)
Mar 24 13:01:17 hydra kernel: Stack: <0>00000002 00000000 00000fff 
00000000 00000000 00000006 c04a3e48 0000000e
Mar 24 13:01:17 hydra kernel:        ec14e238 c04a3e48 ec14e244 c04a3e88 
c013d802 ec14e238 c04a3e48 00000000
Mar 24 13:01:17 hydra kernel:        0000000e 00000000 c04a3e40 c04a3f54 
ec14e234 ec14e234 c0143e3d 
ec14e234                                        Mar 24 13:01:17 hydra 
kernel: Call Trace:
Mar 24 13:01:17 hydra kernel:  [<c013d802>] find_get_pages_tag+0x2f/0x6b
Mar 24 13:01:17 hydra kernel:  [<c0143e3d>] pagevec_lookup_tag+0x1e/0x25
Mar 24 13:01:17 hydra kernel:  [<c0178a6b>] mpage_writepages+0x2b3/0x2ff
Mar 24 13:01:17 hydra kernel:  [<f48af6e9>] 
ext3_ordered_writepage+0x0/0x15d [ext3]
Mar 24 13:01:17 hydra kernel:  [<c02f4138>] schedule+0x604/0x66f
Mar 24 13:01:17 hydra kernel:  [<c0142bef>] do_writepages+0x30/0x39
Mar 24 13:01:17 hydra kernel:  [<c01771f1>] 
__writeback_single_inode+0x196/0x32b
Mar 24 13:01:17 hydra kernel:  [<c0143479>] pdflush+0x0/0x1c2
Mar 24 13:01:17 hydra kernel:  [<c02f565f>] _spin_lock_irqsave+0x22/0x27
Mar 24 13:01:17 hydra kernel:  [<c0142409>] read_page_state_offset+0x47/0x5f
Mar 24 13:01:17 hydra kernel:  [<c0177850>] sync_sb_inodes+0x190/0x250
Mar 24 13:01:17 hydra kernel:  [<c0143479>] pdflush+0x0/0x1c2
Mar 24 13:01:17 hydra kernel:  [<c0177b14>] writeback_inodes+0x8c/0xdc
Mar 24 13:01:17 hydra kernel:  [<c0142eee>] background_writeout+0x66/0x8e
Mar 24 13:01:17 hydra kernel:  [<c0143588>] pdflush+0x10f/0x1c2
Mar 24 13:01:17 hydra kernel:  [<c0142e88>] background_writeout+0x0/0x8e
Mar 24 13:01:17 hydra kernel:  [<c012df5a>] kthread+0xa0/0xcd
Mar 24 13:01:17 hydra kernel:  [<c012deba>] kthread+0x0/0xcd
Mar 24 13:01:17 hydra kernel:  [<c01029ad>] kernel_thread_helper+0x5/0xb
Mar 24 13:01:17 hydra kernel: Code: 24 14 d3 e8 83 e0 3f 89 04 24 eb 47 
8b 54 24 44 8d 84 d7 00 01 00 00 8b 0c 24 0f a3 48 04 19 c0 85 c0 74 11 83 7
c 8f 04 00 75 34 <0f> 0b 62 02 c5 8d 31 c0 eb 2a ba 01 00 00 00 8a 4c 24 
14 d3 e2
As with the other kernel errors I'm getting, this one does also appear 
to be filesystem-based.  Also FYI, it is version 3.0.0 that comes with FC5.
Thanks.


James Morris wrote:
> On Fri, 24 Mar 2006, Phil Evans wrote:
>
>   
> > I am using the Xen version that comes with FC5 (although this has also 
> > happened on FC4 and CentOS 4.2 with other versions of Xen), and am 
> > having a problem with the kernel constantly oopsing in a similar way.  
> > Here is one of them:
> >     
> What sort of filesystem is this happening on?
>
>   

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