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xen-devel
Re: [Xen-devel] kernel BUG at arch/x86/xen/mmu.c:1860!
On Sun, Dec 26, 2010 at 04:16:16PM +0800, Teck Choon Giam wrote:
> Hi,
>
> Information: CentOS 5.5 x86_64
> dom0: latest xen/stable-2.6.32.x pvops git commit
> 75cc13f5aa29b4f3227d269ca165dfa8937c94fe
> xen version: xen-4.0.2-rc1-pre from xen-4.0-testing.hg changeset 21422
>
> While doing LVM snapshot for migration and get the following:
>
> Dec 26 15:58:29 xen01 kernel: ------------[ cut here ]------------
> Dec 26 15:58:29 xen01 kernel: kernel BUG at arch/x86/xen/mmu.c:1860!
> Dec 26 15:58:29 xen01 kernel: invalid opcode: 0000 [#1] SMP
> Dec 26 15:58:29 xen01 kernel: last sysfs file: /sys/block/dm-26/dev
> Dec 26 15:58:29 xen01 kernel: CPU 0
> Dec 26 15:58:29 xen01 kernel: Modules linked in: ipt_MASQUERADE iptable_nat
> nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT
> xt_tcpudp xt_physdev iptable_filter ip_tables x_tables bridge stp be2iscsi
> iscsi_tcp bnx2i cnic uio ipv6 cxgb3i cxgb3 mdio libiscsi_tcp libiscsi
> scsi_transport_iscsi loop dm_multipath scsi_dh video backlight output sbs
> sbshc power_meter hwmon battery acpi_memhotplug xen_acpi_memhotplug ac
> parport_pc lp parport sg tpm_tis tpm tpm_bios button i2c_i801 i2c_core
> iTCO_wdt e1000e shpchp pcspkr dm_snapshot dm_zero dm_mirror dm_region_hash
> dm_log dm_mod usb_storage ahci libata sd_mod scsi_mod raid1 ext3 jbd
> uhci_hcd ohci_hcd ehci_hcd [last unloaded: microcode]
> Dec 26 15:58:29 xen01 kernel: Pid: 27998, comm: udevd Not tainted
> 2.6.32.27-0.xen.pvops.choon.centos5 #1 S3420GP
> Dec 26 15:58:29 xen01 kernel: RIP: e030:[<ffffffff8100cb5b>]
> [<ffffffff8100cb5b>] pin_pagetable_pfn+0x53/0x59
> Dec 26 15:58:29 xen01 kernel: RSP: e02b:ffff88003bc3bdc8 EFLAGS: 00010282
> Dec 26 15:58:29 xen01 kernel: RAX: 00000000ffffffea RBX: 0000000000017605
> RCX: 00000000000000bb
> Dec 26 15:58:29 xen01 kernel: RDX: 00000000deadbeef RSI: 00000000deadbeef
> RDI: 00000000deadbeef
> Dec 26 15:58:29 xen01 kernel: RBP: ffff88003bc3bde8 R08: 0000000000000028
> R09: ffff880000000000
> Dec 26 15:58:29 xen01 kernel: R10: 00000000deadbeef R11: 00007fdb5665e600
> R12: 0000000000000003
> Dec 26 15:58:30 xen01 kernel: R13: 0000000000017605 R14: ffff880012ee0780
> R15: 00007fdb56224268
> Dec 26 15:58:30 xen01 kernel: FS: 00007fdb56fed710(0000)
> GS:ffff88002804f000(0000) knlGS:0000000000000000
> Dec 26 15:58:30 xen01 kernel: CS: e033 DS: 0000 ES: 0000 CR0:
> 000000008005003b
> Dec 26 15:58:30 xen01 kernel: CR2: 00007fdb56224268 CR3: 000000003addb000
> CR4: 0000000000002660
> Dec 26 15:58:30 xen01 kernel: DR0: 0000000000000000 DR1: 0000000000000000
> DR2: 0000000000000000
> Dec 26 15:58:30 xen01 kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0
> DR7: 0000000000000400
> Dec 26 15:58:30 xen01 kernel: Process udevd (pid: 27998, threadinfo
> ffff88003bc3a000, task ffff880012ee0780)
> Dec 26 15:58:30 xen01 kernel: Stack:
> Dec 26 15:58:30 xen01 kernel: 0000000000000000 0000000000424121
> 000000013f00ae20 0000000000017605
> Dec 26 15:58:30 xen01 kernel: <0> ffff88003bc3be08 ffffffff8100e07c
> ffff88003a3c2580 ffff880034bb6588
> Dec 26 15:58:30 xen01 kernel: <0> ffff88003bc3be18 ffffffff8100e0af
> ffff88003bc3be58 ffffffff810a402f
> Dec 26 15:58:31 xen01 kernel: Call Trace:
> Dec 26 15:58:31 xen01 kernel: [<ffffffff8100e07c>]
> xen_alloc_ptpage+0x64/0x69
> Dec 26 15:58:31 xen01 kernel: [<ffffffff8100e0af>] xen_alloc_pte+0xe/0x10
> Dec 26 15:58:31 xen01 kernel: [<ffffffff810a402f>] __pte_alloc+0x70/0xce
> Dec 26 15:58:31 xen01 kernel: [<ffffffff810a41cd>]
> handle_mm_fault+0x140/0x8b9
> Dec 26 15:58:31 xen01 kernel: [<ffffffff810d2ecc>] ? d_kill+0x3a/0x42
> Dec 26 15:58:31 xen01 kernel: [<ffffffff810c4cd1>] ? __fput+0x1cb/0x1da
> Dec 26 15:58:31 xen01 kernel: [<ffffffff8131be4d>]
> do_page_fault+0x252/0x2e2
> Dec 26 15:58:31 xen01 kernel: [<ffffffff81319dd5>] page_fault+0x25/0x30
> Dec 26 15:58:31 xen01 kernel: Code: 48 b8 ff ff ff ff ff ff ff 7f 48 21 c2
> 48 89 55 e8 48 8d 7d e0 be 01 00 00 00 31 d2 41 ba f0 7f 00 00 e8 e9 c7 ff
> ff 85 c0 74 04 <0f> 0b eb fe c9 c3 55 40 f6 c7 01 48 89 e5 53 48 89 fb 74 5b
> 48
> Dec 26 15:58:31 xen01 kernel: RIP [<ffffffff8100cb5b>]
> pin_pagetable_pfn+0x53/0x59
> Dec 26 15:58:31 xen01 kernel: RSP <ffff88003bc3bdc8>
> Dec 26 15:58:31 xen01 kernel: ---[ end trace 540bcf6f0170242d ]---
>
> Triggered BUG() in line 1860:
>
> static void pin_pagetable_pfn(unsigned cmd, unsigned long pfn)
> {
> struct mmuext_op op;
> op.cmd = cmd;
> op.arg1.mfn = pfn_to_mfn(pfn);
> if (HYPERVISOR_mmuext_op(&op, 1, NULL, DOMID_SELF))
> BUG(); <<THIS ONE?
Yup.
> }
>
> Any idea?
Do you get to see this every time you do LVM migrate?
>
> Thanks.
>
> Kindest regards,
> Giam Teck Choon
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
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