[Xen-users] Kernel OOPS with xen 3.0.2 on dom0

[Vandeir Eduardo <vanedu@xxxxxxxxxxx>]

Hi guys,

I'm getting this kernel oops when using openSuSE 10.1 XEN kernel on dom0.
When this happens, linux load average starts incrising dramatically and after 
some
minutes, any application that need access to a file starts to hang. This seems
to happen when there is some amount of network traffic (this machine is a samba
file server). For now, I have no virtual machines initialized.
When I'm using a normal kernel withou xen, there is no problems.

I'm using xfs file systems on top of LVM on top of software RAID 5.

Any ideas?

Thanks in advance.

Here goes the oops:

Aug 31 08:15:31 mariscal kernel: Oops: 0000 [#1]
Aug 31 08:15:31 mariscal kernel: SMP
Aug 31 08:15:31 mariscal kernel: last sysfs file: /devices/pci0000:00/0000:00:07
.3/i2c-0/0-0028/temp3_type
Aug 31 08:15:31 mariscal kernel: Modules linked in: nfsd lockd nfs_acl sunrpc w8
3781d w83627hf hwmon_vid hwmon i2c_isa button battery ac xfs_quota ext3 jbd loop
 amd_k7_agp agpgart hw_random i2c_amd756 i2c_core e1000 parport_pc parport ohci_
hcd e100 usbcore mii ide_cd cdrom xfs exportfs dm_snapshot dm_mod raid0 raid1 ra
id5 xor fan thermal processor sg aic79xx scsi_transport_spi amd74xx sd_mod scsi_
mod ide_disk ide_core
Aug 31 08:15:31 mariscal kernel: CPU:    0
Aug 31 08:15:31 mariscal kernel: EIP:    0061:[<f4a07820>]    Tainted: G     U V
LI
Aug 31 08:15:31 mariscal kernel: EFLAGS: 00210246   (2.6.16.21-0.13-xen #1)
Aug 31 08:15:31 mariscal kernel: EIP is at xfs_bmbt_delete+0xb20/0x11e0 [xfs]
Aug 31 08:15:31 mariscal kernel: eax: ef2eda64   ebx: 00000c00   ecx: 00000001
 edx: eff2c000
Aug 31 08:15:31 mariscal kernel: esi: 001e0000   edi: ef2eda64   ebp: eff2c000
 esp: eda3b9c4
Aug 31 08:15:31 mariscal kernel: ds: 007b   es: 007b   ss: 0069
Aug 31 08:15:31 mariscal kernel: Process smbd (pid: 4376, threadinfo=eda3a000 ta
sk=c0acccb0)
Aug 31 08:15:31 mariscal kernel: Stack: <0>f4a09076 edda59ec f3c3f400 ed7ca500
00000019 00000000 00000001 00000000
Aug 31 08:15:31 mariscal kernel:        f4a21607 ed7ca500 00000000 eda3ba50 0000
0003 ed971800 c0fc8a20 eda3bbec
Aug 31 08:15:31 mariscal kernel:        00000001 ef2eda64 02162db7 00000002 0300
0001 00020c40 00000009 eff2c000
Aug 31 08:15:31 mariscal kernel: Call Trace:
Aug 31 08:15:32 mariscal kernel:  [<f4a09076>] xfs_btree_check_sblock+0x96/0xf0
[xfs]
Aug 31 08:15:32 mariscal kernel:  [<f4a21607>] xfs_inobt_lookup+0x1a7/0x4a0 [xfs
]
Aug 31 08:15:32 mariscal kernel:  [<f4a1fdee>] xfs_dialloc+0xfee/0x1520 [xfs]
Aug 31 08:15:32 mariscal kernel:  [<c0107b7b>] monotonic_clock+0x3b/0x80
Aug 31 08:15:32 mariscal kernel:  [<c02b4222>] tcp_v4_do_rcv+0xd2/0x340
Aug 31 08:15:32 mariscal kernel:  [<c0116acd>] try_to_wake_up+0x8d/0x380
Aug 31 08:15:32 mariscal kernel:  [<c02ac6e0>] tcp_data_queue+0x430/0xbf0
Aug 31 08:15:32 mariscal kernel:  [<c0296f54>] ip_route_input+0x44/0xda0
Aug 31 08:15:32 mariscal kernel:  [<c02b6a9f>] tcp_v4_rcv+0x8cf/0xa60
Aug 31 08:15:32 mariscal kernel:  [<c010a7ee>] dma_map_single+0xee/0x150
Aug 31 08:15:32 mariscal kernel:  [<f4bfaddc>] e1000_xmit_frame+0x82c/0xdf0 [e10
00]
Aug 31 08:15:32 mariscal kernel:  [<f4a279a1>] xfs_ialloc+0x61/0x530 [xfs]
Aug 31 08:15:32 mariscal kernel:  [<f4c63551>] xfs_trans_dqresv+0x121/0x460 [xfs
_quota]
Aug 31 08:15:32 mariscal kernel:  [<f4a3c4c5>] xfs_dir_ialloc+0x85/0x2e0 [xfs]
Aug 31 08:15:32 mariscal kernel:  [<f4c638fe>] xfs_trans_reserve_quota_bydquots+
0x6e/0x100 [xfs_quota]
Aug 31 08:15:32 mariscal kernel:  [<f4a43de6>] xfs_create+0x3b6/0x710 [xfs]
Aug 31 08:15:32 mariscal kernel:  [<f4a4dc27>] linvfs_mknod+0x217/0x430 [xfs]
Aug 31 08:15:32 mariscal kernel:  [<f4a0ada4>] xfs_da_do_buf+0x894/0x970 [xfs]
Aug 31 08:15:32 mariscal kernel:  [<c017f598>] __d_lookup+0x88/0x110
Aug 31 08:15:32 mariscal kernel:  [<c017f598>] __d_lookup+0x88/0x110
Aug 31 08:15:32 mariscal kernel:  [<f4a3a818>] xfs_trans_unlocked_item+0x38/0x60
 [xfs]
Aug 31 08:15:32 mariscal kernel:  [<f4a4070f>] xfs_access+0x3f/0x50 [xfs]
Aug 31 08:15:32 mariscal kernel:  [<f4a4d730>] linvfs_permission+0x0/0x20 [xfs]
Aug 31 08:15:32 mariscal kernel:  [<f4a4d73f>] linvfs_permission+0xf/0x20 [xfs]
Aug 31 08:15:32 mariscal kernel:  [<c017540c>] permission+0x5c/0xd0
Aug 31 08:15:32 mariscal kernel:  [<f4a4e4b0>] linvfs_lookup+0x0/0xb0 [xfs]
Aug 31 08:15:32 mariscal kernel:  [<c0176a97>] __link_path_walk+0x77/0xea0
Aug 31 08:15:32 mariscal kernel:  [<c01774ba>] __link_path_walk+0xa9a/0xea0
Aug 31 08:15:32 mariscal kernel:  [<c01840e4>] mntput_no_expire+0x24/0xb0
Aug 31 08:15:32 mariscal kernel:  [<c0177931>] link_path_walk+0x71/0xf0
Aug 31 08:15:32 mariscal kernel:  [<c0175ab7>] vfs_create+0xc7/0x140
Aug 31 08:15:32 mariscal kernel:  [<c0178fc6>] open_namei+0x5d6/0x670
Aug 31 08:15:32 mariscal kernel:  [<c016553e>] do_filp_open+0x2e/0x60
Aug 31 08:15:32 mariscal kernel:  [<c0165210>] get_unused_fd+0x50/0xb0
Aug 31 08:15:32 mariscal kernel:  [<c01655ba>] do_sys_open+0x4a/0xe0
Aug 31 08:15:32 mariscal kernel:  [<c016568c>] sys_open+0x1c/0x20
Aug 31 08:15:32 mariscal kernel:  [<c0104f25>] syscall_call+0x7/0xb
Aug 31 08:15:32 mariscal kernel: Code: 00 8b 45 04 66 83 fa 01 19 d2 83 e2 fc 8b
 84 02 ac 01 00 00 8d 1c c5 00 00 00 00 8b 44 24 48 c1 e0 03 89 c1 c1 e9 02 89 4
c 24 18 <f3> a5 89 c1 83 e1 03 74 02 f3 a4 8b bc 24 8c 00 00 00 8b 4c 24

__________________________________________
Vandeir Eduardo
(CCNA, LPIC-2, MCSA 2003 Server)
Laboratório de Computação e Informática (LCI) - Campus IV
Fundacao Universidade Regional de Blumenau (FURB)
Rua Braz Wanka, 238 - CEP: 89.035-160 - Blumenau (SC)
Blumenau, SC, Brasil.


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