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On Fri, Apr 22, 2011 at 02:21:39PM +0800, yue wrote:
> what is the core root?

You have to provide more details. What you did, did it work before. What kind of hardware,
does it work with baremetal? What version of Xen.

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xen-4.0.1-6.fc12.x86_64
kernel-2.6.32.23-170.xendom0.fc12.x86_64
intel x86_64,GenuineIntel,16cpus
because panic info just has one screen,so no more details.
guest os is hosted on image file. many physical nodes share one lun with ocfs2.

1)kernel panic:not syncing:fatal exception in interrupt. comm swapper (occur many times)
2)BUG soft lockup CPU#4 stuck for 61s![events/4:55].(occur many times)
comm:events/4
3)BUG:unable to handle kernel paging request at 000000180000018....
oops: 0000 [#6] SMP
Apr 18 03:40:45 res-hy024 kernel: ------------[ cut here ]------------
Apr 18 03:40:45 res-hy024 kernel: kernel BUG at mm/slub.c:2969!
Apr 18 03:40:45 res-hy024 kernel: invalid opcode: 0000 [#1] SMP
Apr 18 03:40:45 res-hy024 kernel: last sysfs file: /sys/devices/system/cpu/cpu15/cache/index2/shared_cpu_map
Apr 18 03:40:45 res-hy024 kernel: CPU 3
Apr 18 03:40:45 res-hy024 kernel: Modules linked in: ocfs2 ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs blktap fuse xt_temac 8021q garp ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat bridge stp llc sunrpc ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi xen_netback xen_blkback blkback_pagemap xen_gntdev xen_evtchn xenfs igb i2c_i801 ioatdma shpchp dca joydev iTCO_wdt iTCO_vendor_support serio_raw pata_acpi ata_generic usb_storage pata_jmicron megaraid_sas floppy radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan]
Apr 18 03:40:45 res-hy024 kernel: Pid: 7117, comm: ifconfig Not tainted 2.6.32.23-170.xendom0.fc12.x86_64 #1 X8DTN
Apr 18 03:40:45 res-hy024 kernel: RIP: e030:[<ffffffff8110ed21>] [<ffffffff8110ed21>] kfree+0x62/0xd4
Apr 18 03:40:45 res-hy024 kernel: RSP: e02b:ffff8801a2619d68 EFLAGS: 00010246
Apr 18 03:40:45 res-hy024 kernel: RAX: 0040000000080000 RBX: ffff8801c7995080 RCX: 0000000000000003
Apr 18 03:40:45 res-hy024 kernel: RDX: ffffea0000000000 RSI: ffffea0003800000 RDI: ffff880100000009
Apr 18 03:40:45 res-hy024 kernel: RBP: ffff8801a2619d88 R08: 0000000000000000 R09: 0000000000000000
Apr 18 03:40:45 res-hy024 kernel: R10: ffff8801c8f18c48 R11: ffff8801c9387e30 R12: ffff880100000009
Apr 18 03:40:45 res-hy024 kernel: R13: ffffffff811eeaad R14: ffff8801c217eb40 R15: ffff8801c60113f8
Apr 18 03:40:45 res-hy024 kernel: FS: 00007f277792c7a0(0000) GS:ffff8800280ac000(0000) knlGS:0000000000000000
Apr 18 03:40:45 res-hy024 kernel: CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
Apr 18 03:40:45 res-hy024 kernel: CR2: 00007f277722b050 CR3: 0000000001001000 CR4: 0000000000002660
Apr 18 03:40:45 res-hy024 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Apr 18 03:40:45 res-hy024 kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Apr 18 03:40:45 res-hy024 kernel: Process ifconfig (pid: 7117, threadinfo ffff8801a2618000, task ffff8801ae11c5f0)
Apr 18 03:40:45 res-hy024 kernel: Stack:
Apr 18 03:40:45 res-hy024 kernel: ffff8801c7995080 ffff8801c7995080 0000000000000010 ffff8801c60113f8
Apr 18 03:40:45 res-hy024 kernel: <0> ffff8801a2619d98 ffffffff811eeaad ffff8801a2619da8 ffffffff811e8551
Apr 18 03:40:45 res-hy024 kernel: <0> ffff8801a2619df8 ffffffff8111e711 ffff8801c217eb40 ffff8801c29eea00
Apr 18 03:40:45 res-hy024 kernel: Call Trace:
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff811eeaad>] selinux_file_free_security+0x23/0x25
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff811e8551>] security_file_free+0x16/0x18
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff8111e711>] __fput+0x132/0x1dc
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff8111e7d5>] fput+0x1a/0x1c
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff810f609f>] remove_vma+0x56/0x8c
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff810f61e5>] exit_mmap+0x110/0x132
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff81054fbb>] mmput+0x5e/0xca
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff810599a3>] exit_mm+0x109/0x115
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff8105b47b>] do_exit+0x212/0x6f9
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff8145f495>] ? do_page_fault+0x2c2/0x2f2
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff8105b9e3>] do_group_exit+0x81/0xab
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff8105ba24>] sys_exit_group+0x17/0x1b
Apr 18 03:40:45 res-hy024 kernel: [<ffffffff81012d32>] system_call_fastpath+0x16/0x1b
Apr 18 03:40:45 res-hy024 kernel: Code: 83 c3 08 48 83 3b 00 eb ec 49 83 fc 10 0f 86 82 00 00 00 4c 89 e7 e8 f7 e4 ff ff 48 89 c6 48 8b 00 84 c0 78 14 66 a9 00 c0 75 04 <0f> 0b eb fe 48 89 f7 e8 aa 19 fd ff eb 5c 48 8b 4d 08 48 8b 7e
Apr 18 03:40:45 res-hy024 kernel: RIP [<ffffffff8110ed21>] kfree+0x62/0xd4
Apr 18 03:40:45 res-hy024 kernel: RSP <ffff8801a2619d68>
Apr 18 03:40:45 res-hy024 kernel: ---[ end trace d94776bc505e025a ]---
Apr 18 03:40:45 res-hy024 kernel: Fixing recursive fault but reboot is needed!

4) panic capture is attached.

thanks all



At 2011-04-22 20:00:40£¬"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com> wrote:

>On Fri, Apr 22, 2011 at 02:21:39PM +0800, yue wrote:
>> what is the core root?
>
>You have to provide more details. What you did, did it work before. What kind of hardware,
>does it work with baremetal? What version of Xen.
>
>_______________________________________________
>Xen-devel mailing list
>Xen-devel@lists.xensource.com
>http://lists.xensource.com/xen-devel