From mboxrd@z Thu Jan 1 00:00:00 1970 From: Teck Choon Giam Subject: Re: kernel BUG at arch/x86/xen/mmu.c:1860! Date: Sat, 26 Feb 2011 20:03:18 +0800 Message-ID: References: <20110114194437.GA25672@dumpdata.com> <20110124143615.GD6511@dumpdata.com> <20110125144809.GA7405@dumpdata.com> <20110126143103.GB18978@dumpdata.com> <20110127203218.GB4194@dumpdata.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0763167936==" Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Konrad Rzeszutek Wilk Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org --===============0763167936== Content-Type: multipart/alternative; boundary=e0cb4e6ff7197e27ee049d2e3b93 --e0cb4e6ff7197e27ee049d2e3b93 Content-Type: text/plain; charset=ISO-8859-1 On Fri, Jan 28, 2011 at 6:20 AM, Teck Choon Giam wrote: > > > On Fri, Jan 28, 2011 at 4:32 AM, Konrad Rzeszutek Wilk < > konrad.wilk@oracle.com> wrote: > >> > > What does git log show? What is the latest commit you have there? >> > > >> > >> > commit 75cc13f5aa29b4f3227d269ca165dfa8937c94fe >> > Merge: 2607c07 a386bf7 >> > Author: Jeremy Fitzhardinge >> > Date: Thu Dec 9 17:16:16 2010 -0800 >> > >> > Merge commit 'v2.6.32.27' into xen/next-2.6.32 >> > >> > * commit 'v2.6.32.27': (128 commits) >> > Linux 2.6.32.27 >> >> .. snip.. >> > >> > Anything that I can test or you need me to test... feel free to ask so >> that >> > I can speed up in tracking/hunting this bug down :) >> >> You got the latest one so you should have the fixes. But something is not >> working.. just to make sure I am not missing anything can you send me your >> .config >> file? >> > > Ok... please see attached. > > > Thanks. > > Kindest regards, > Giam Teck Choon > > Hi Konrad, This is just an update from my testing. I tried with latest xen/next-2.6.32.x and same bug still there: Feb 23 22:56:56 xen06 kernel: ------------[ cut here ]------------ Feb 23 22:56:56 xen06 kernel: kernel BUG at arch/x86/xen/mmu.c:1872! Feb 23 22:56:56 xen06 kernel: invalid opcode: 0000 [#1] SMP Feb 23 22:56:56 xen06 kernel: last sysfs file: /sys/devices/system/cpu/cpu3/cache/index2/shared_cpu_map Feb 23 22:56:56 xen06 kernel: CPU 0 Feb 23 22:56:56 xen06 kernel: Modules linked in: dlm configfs 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 dm_multipath scsi_dh video backlight output sbs sbshc power_meter hwmon battery acpi_memhotplug xen_acpi_memhotplug ac parport_pc lp parport sg ide_cd_mod cdrom serio_raw tg3 libphy button tpm_tis tpm tpm_bios iTCO_wdt i2c_i801 i2c_core pcspkr shpchp dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod ata_piix libata sd_mod scsi_mod raid1 ext3 jbd uhci_hcd ohci_hcd ehci_hcd [last unloaded: microcode] Feb 23 22:56:56 xen06 kernel: Pid: 15222, comm: mpath_wait Not tainted 2.6.32.28-2.xen.pvops.choon.centos5 #1 PowerEdge 860 Feb 23 22:56:56 xen06 kernel: RIP: e030:[] [] pin_pagetable_pfn+0x53/0x59 Feb 23 22:56:56 xen06 kernel: RSP: e02b:ffff8800265b9dc8 EFLAGS: 00010282 Feb 23 22:56:56 xen06 kernel: RAX: 00000000ffffffea RBX: 00000000000306d7 RCX: 0000000000000183 Feb 23 22:56:56 xen06 kernel: RDX: 00000000deadbeef RSI: 00000000deadbeef RDI: 00000000deadbeef Feb 23 22:56:56 xen06 kernel: RBP: ffff8800265b9de8 R08: 00000000000006b8 R09: ffff880000000000 Feb 23 22:56:56 xen06 kernel: R10: 00000000deadbeef R11: 0000000000000246 R12: 0000000000000003 Feb 23 22:56:56 xen06 kernel: R13: 00000000000306d7 R14: ffff88003b940200 R15: 00007f7655df6258 Feb 23 22:56:56 xen06 kernel: FS: 00007f76560016e0(0000) GS:ffff88002804f000(0000) knlGS:0000000000000000 Feb 23 22:56:56 xen06 kernel: CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b Feb 23 22:56:56 xen06 kernel: CR2: 00007f7655df6258 CR3: 000000002559b000 CR4: 0000000000002660 Feb 23 22:56:56 xen06 lvm[3984]: Monitoring snapshot XenGroup-testcrash1--snapshot Feb 23 22:56:56 xen06 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Feb 23 22:56:56 xen06 kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Feb 23 22:56:56 xen06 kernel: Process mpath_wait (pid: 15222, threadinfo ffff8800265b8000, task ffff88003b940200) Feb 23 22:56:56 xen06 kernel: Stack: Feb 23 22:56:56 xen06 kernel: 0000000000000000 0000000000202bff 000000013f009e18 00000000000306d7 Feb 23 22:56:56 xen06 kernel: <0> ffff8800265b9e08 ffffffff8100e07c ffff8800267bdac0 ffff88002679f570 Feb 23 22:56:56 xen06 kernel: <0> ffff8800265b9e18 ffffffff8100e0af ffff8800265b9e58 ffffffff810a408b Feb 23 22:56:56 xen06 kernel: Call Trace: Feb 23 22:56:56 xen06 kernel: [] xen_alloc_ptpage+0x64/0x69 Feb 23 22:56:56 xen06 kernel: [] xen_alloc_pte+0xe/0x10 Feb 23 22:56:56 xen06 kernel: [] __pte_alloc+0x70/0xce Feb 23 22:56:56 xen06 kernel: [] handle_mm_fault+0x140/0x8b9 Feb 23 22:56:56 xen06 kernel: [] do_page_fault+0x252/0x2e2 Feb 23 22:56:56 xen06 kernel: [] page_fault+0x25/0x30 Feb 23 22:56:56 xen06 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 Feb 23 22:56:56 xen06 kernel: RIP [] pin_pagetable_pfn+0x53/0x59 Feb 23 22:56:56 xen06 kernel: RSP Feb 23 22:56:56 xen06 kernel: ---[ end trace fd2f141edfc37649 ]--- Feb 23 22:56:56 xen06 kernel: kjournald starting. Commit interval 5 seconds Feb 23 22:56:56 xen06 kernel: EXT3 FS on dm-11, internal journal Feb 23 22:56:56 xen06 kernel: EXT3-fs: mounted filesystem with ordered data mode. Feb 23 23:00:01 xen06 syslogd 1.4.1: restart. Feb 23 23:00:01 xen06 kernel: klogd 1.4.1, log source = /proc/kmsg started. Feb 23 23:00:01 xen06 kernel: Linux version 2.6.32.28-2.xen.pvops.choon.centos5 (mockbuild@builder5.choon.net) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Wed Feb 23 22:29:39 SGT 2011 Feb 23 23:00:01 xen06 kernel: Command line: ro root=/dev/md1 panic=5 panic_timeout=5 Feb 23 23:00:01 xen06 kernel: KERNEL supported cpus: Feb 23 23:00:01 xen06 kernel: Intel GenuineIntel Feb 23 23:00:01 xen06 kernel: AMD AuthenticAMD Feb 23 23:00:01 xen06 kernel: Centaur CentaurHauls Feb 23 23:00:01 xen06 kernel: released 0 pages of unused memory Feb 23 23:00:01 xen06 kernel: BIOS-provided physical RAM map: Feb 23 23:00:01 xen06 kernel: Xen: 0000000000000000 - 00000000000a0000 (usable) Feb 23 23:00:01 xen06 kernel: Xen: 00000000000a0000 - 0000000000100000 (reserved) Feb 23 23:00:01 xen06 kernel: Xen: 0000000000100000 - 0000000040000000 (usable) Feb 23 23:00:01 xen06 kernel: Xen: 00000000dffc0000 - 00000000dffcfc00 (ACPI data) Feb 23 23:00:01 xen06 kernel: Xen: 00000000dffcfc00 - 00000000dffff000 (reserved) Feb 23 23:00:01 xen06 kernel: Xen: 00000000f0000000 - 00000000f4000000 (reserved) Feb 23 23:00:01 xen06 kernel: Xen: 00000000fec00000 - 00000000fed00400 (reserved) Feb 23 23:00:01 xen06 kernel: Xen: 00000000fed13000 - 00000000feda0000 (reserved) Feb 23 23:00:01 xen06 kernel: Xen: 00000000fee00000 - 00000000fee10000 (reserved) Feb 23 23:00:01 xen06 kernel: Xen: 00000000ffb00000 - 0000000100000000 (reserved) Feb 23 23:00:01 xen06 kernel: Xen: 00000001ffffe000 - 0000000200000000 (reserved) Feb 23 23:00:01 xen06 kernel: Xen: 0000000200000000 - 00000003bffbe000 (usable) Even I patch with latest 2.6.32.29: Feb 24 01:03:17 xen06 kernel: ------------[ cut here ]------------ Feb 24 01:03:17 xen06 kernel: kernel BUG at arch/x86/xen/mmu.c:1872! Feb 24 01:03:17 xen06 kernel: invalid opcode: 0000 [#2] SMP Feb 24 01:03:17 xen06 kernel: last sysfs file: /sys/block/dm-13/dev Feb 24 01:03:17 xen06 kernel: CPU 2 Feb 24 01:03:17 xen06 kernel: Modules linked in: dlm configfs 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 dm_multipath scsi_dh video backlight output sbs sbshc power_meter hwmon battery acpi_memhotplug xen_acpi_memhotplug ac parport_pc lp parport sg ide_cd_mod cdrom tg3 serio_raw libphy button tpm_tis tpm tpm_bios pcspkr shpchp i2c_i801 i2c_core iTCO_wdt dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod ata_piix libata sd_mod scsi_mod raid1 ext3 jbd uhci_hcd ohci_hcd ehci_hcd [last unloaded: microcode] Feb 24 01:03:17 xen06 kernel: Pid: 509, comm: dmsetup Tainted: G D 2.6.32.29-0.xen.pvops.choon.centos5 #1 PowerEdge 860 Feb 24 01:03:17 xen06 kernel: RIP: e030:[] [] pin_pagetable_pfn+0x53/0x59 Feb 24 01:03:17 xen06 kernel: RSP: e02b:ffff88003ced5dc8 EFLAGS: 00010282 Feb 24 01:03:17 xen06 kernel: RAX: 00000000ffffffea RBX: 0000000000030395 RCX: 0000000000000181 Feb 24 01:03:17 xen06 kernel: RDX: 00000000deadbeef RSI: 00000000deadbeef RDI: 00000000deadbeef Feb 24 01:03:17 xen06 kernel: RBP: ffff88003ced5de8 R08: 0000000000000ca8 R09: ffff880000000000 Feb 24 01:03:17 xen06 kernel: R10: 00000000deadbeef R11: 0000000000000246 R12: 0000000000000003 Feb 24 01:03:17 xen06 kernel: R13: 0000000000030395 R14: ffff88003025c4c0 R15: 00000033e1e00258 Feb 24 01:03:17 xen06 kernel: FS: 00007ff20eb366e0(0000) GS:ffff880028089000(0000) knlGS:0000000000000000 Feb 24 01:03:17 xen06 kernel: CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b Feb 24 01:03:17 xen06 kernel: CR2: 00000033e1e00258 CR3: 000000003b57b000 CR4: 0000000000002660 Feb 24 01:03:17 xen06 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Feb 24 01:03:17 xen06 kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Feb 24 01:03:17 xen06 kernel: Process dmsetup (pid: 509, threadinfo ffff88003ced4000, task ffff88003025c4c0) Feb 24 01:03:17 xen06 kernel: Stack: Feb 24 01:03:17 xen06 kernel: 0000000000000000 0000000000202741 000000013e6e5a18 0000000000030395 Feb 24 01:03:17 xen06 kernel: <0> ffff88003ced5e08 ffffffff8100e07c ffff88003000aac0 ffff880036bb1878 Feb 24 01:03:17 xen06 kernel: <0> ffff88003ced5e18 ffffffff8100e0af ffff88003ced5e58 ffffffff810a4309 Feb 24 01:03:17 xen06 kernel: Call Trace: Feb 24 01:03:17 xen06 kernel: [] xen_alloc_ptpage+0x64/0x69 Feb 24 01:03:17 xen06 kernel: [] xen_alloc_pte+0xe/0x10 Feb 24 01:03:17 xen06 kernel: [] __pte_alloc+0x70/0xce Feb 24 01:03:17 xen06 kernel: [] handle_mm_fault+0x140/0x8b9 Feb 24 01:03:17 xen06 kernel: [] do_page_fault+0x252/0x2e2 Feb 24 01:03:17 xen06 kernel: [] page_fault+0x25/0x30 Feb 24 01:03:18 xen06 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 Feb 24 01:03:18 xen06 kernel: RIP [] pin_pagetable_pfn+0x53/0x59 Feb 24 01:03:18 xen06 kernel: RSP Feb 24 01:03:18 xen06 kernel: ---[ end trace 5ea31e622470b519 ]--- Feb 24 01:06:21 xen06 syslogd 1.4.1: restart. Feb 24 01:06:21 xen06 kernel: klogd 1.4.1, log source = /proc/kmsg started. Feb 24 01:06:21 xen06 kernel: Linux version 2.6.32.29-0.xen.pvops.choon.centos5 (mockbuild@builder5.choon.net) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Thu Feb 24 00:21:24 SGT 2011 Feb 24 01:06:21 xen06 kernel: Command line: ro root=/dev/md1 panic=5 panic_timeout=5 Feb 24 01:06:21 xen06 kernel: KERNEL supported cpus: Feb 24 01:06:21 xen06 kernel: Intel GenuineIntel Feb 24 01:06:21 xen06 kernel: AMD AuthenticAMD Feb 24 01:06:21 xen06 kernel: Centaur CentaurHauls Feb 24 01:06:21 xen06 kernel: released 0 pages of unused memory Feb 24 01:06:21 xen06 kernel: BIOS-provided physical RAM map: Feb 24 01:06:21 xen06 kernel: Xen: 0000000000000000 - 00000000000a0000 (usable) Feb 24 01:06:21 xen06 kernel: Xen: 00000000000a0000 - 0000000000100000 (reserved) Feb 24 01:06:21 xen06 kernel: Xen: 0000000000100000 - 0000000040000000 (usable) Feb 24 01:06:21 xen06 kernel: Xen: 00000000dffc0000 - 00000000dffcfc00 (ACPI data) Feb 24 01:06:21 xen06 kernel: Xen: 00000000dffcfc00 - 00000000dffff000 (reserved) Feb 24 01:06:21 xen06 kernel: Xen: 00000000f0000000 - 00000000f4000000 (reserved) Feb 24 01:06:21 xen06 kernel: Xen: 00000000fec00000 - 00000000fed00400 (reserved) Feb 24 01:06:21 xen06 kernel: Xen: 00000000fed13000 - 00000000feda0000 (reserved) Feb 24 01:06:21 xen06 kernel: Xen: 00000000fee00000 - 00000000fee10000 (reserved) Feb 24 01:06:21 xen06 kernel: Xen: 00000000ffb00000 - 0000000100000000 (reserved) Feb 24 01:06:21 xen06 kernel: Xen: 00000001ffffe000 - 0000000200000000 (reserved) Feb 24 01:06:21 xen06 kernel: Xen: 0000000200000000 - 00000003bffbe000 (usable) Feb 24 01:06:21 xen06 kernel: DMI 2.4 present. Feb 24 01:06:21 xen06 kernel: last_pfn = 0x3bffbe max_arch_pfn = 0x400000000 Feb 24 01:06:21 xen06 kernel: x86 PAT enabled: cpu 0, old 0x50100070406, new 0x7010600070106 Feb 24 01:06:21 xen06 kernel: last_pfn = 0x40000 max_arch_pfn = 0x400000000 Thanks. Kindest regards, Giam Teck Choon --e0cb4e6ff7197e27ee049d2e3b93 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable

On Fri, Jan 28, 2011 at 6:20 AM, Teck Ch= oon Giam <g= iamteckchoon@gmail.com> wrote:


On Fri= , Jan 28, 2011 at 4:32 AM, Konrad Rzeszutek Wilk <konrad.wilk@oracle.= com> wrote:
> > What does git log show? What is the latest commit you have t= here?
> >
>
> commit 75cc13f5aa29b4f3227d269ca165dfa8937c94fe
> Merge: 2607c07 a386bf7
> Author: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
> Date: =A0 Thu Dec 9 17:16:16 2010 -0800
>
> =A0 =A0 Merge commit 'v2.6.32.27' into xen/next-2.6.32
>
> =A0 =A0 * commit 'v2.6.32.27': (128 commits)
> =A0 =A0 =A0 Linux 2.6.32.27

.. snip..
>
> Anything that I can test or you need me to test... feel free to ask so= that
> I can speed up in tracking/hunting this bug down :)

You got the latest one so you should have the fixes. But something is= not
working.. just to make sure I am not missing anything can you send me your = .config
file?

Ok... please see attached.


Thanks.

Kindest regards,
Giam Teck Choon
=


Hi Konrad,

This is just an update from my testing.

I tried with latest xen/next= -2.6.32.x and same bug still there:

Feb 23 22:56:56 xen06 kernel: --= ----------[ cut here ]------------
Feb 23 22:56:56 xen06 kernel: kernel = BUG at arch/x86/xen/mmu.c:1872!
Feb 23 22:56:56 xen06 kernel: invalid opcode: 0000 [#1] SMP
Feb 23 22:5= 6:56 xen06 kernel: last sysfs file: /sys/devices/system/cpu/cpu3/cache/inde= x2/shared_cpu_map
Feb 23 22:56:56 xen06 kernel: CPU 0
Feb 23 22:56:5= 6 xen06 kernel: Modules linked in: dlm configfs xt_physdev iptable_filter i= p_tables x_tables bridge stp be2iscsi iscsi_tcp bnx2i cnic uio ipv6 cxgb3i = cxgb3 mdio libiscsi_tcp libiscsi scsi_transport_iscsi dm_multipath scsi_dh = video backlight output sbs sbshc power_meter hwmon battery acpi_memhotplug = xen_acpi_memhotplug ac parport_pc lp parport sg ide_cd_mod cdrom serio_raw = tg3 libphy button tpm_tis tpm tpm_bios iTCO_wdt i2c_i801 i2c_core pcspkr sh= pchp dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod ata_piix li= bata sd_mod scsi_mod raid1 ext3 jbd uhci_hcd ohci_hcd ehci_hcd [last unload= ed: microcode]
Feb 23 22:56:56 xen06 kernel: Pid: 15222, comm: mpath_wait Not tainted 2.6.= 32.28-2.xen.pvops.choon.centos5 #1 PowerEdge 860
Feb 23 22:56:56 xen06 k= ernel: RIP: e030:[<ffffffff8100cb5b>]=A0 [<ffffffff8100cb5b>] p= in_pagetable_pfn+0x53/0x59
Feb 23 22:56:56 xen06 kernel: RSP: e02b:ffff8800265b9dc8=A0 EFLAGS: 0001028= 2
Feb 23 22:56:56 xen06 kernel: RAX: 00000000ffffffea RBX: 0000000000030= 6d7 RCX: 0000000000000183
Feb 23 22:56:56 xen06 kernel: RDX: 00000000dea= dbeef RSI: 00000000deadbeef RDI: 00000000deadbeef
Feb 23 22:56:56 xen06 kernel: RBP: ffff8800265b9de8 R08: 00000000000006b8 R= 09: ffff880000000000
Feb 23 22:56:56 xen06 kernel: R10: 00000000deadbeef= R11: 0000000000000246 R12: 0000000000000003
Feb 23 22:56:56 xen06 kerne= l: R13: 00000000000306d7 R14: ffff88003b940200 R15: 00007f7655df6258
Feb 23 22:56:56 xen06 kernel: FS:=A0 00007f76560016e0(0000) GS:ffff88002804= f000(0000) knlGS:0000000000000000
Feb 23 22:56:56 xen06 kernel: CS:=A0 e= 033 DS: 0000 ES: 0000 CR0: 000000008005003b
Feb 23 22:56:56 xen06 kernel= : CR2: 00007f7655df6258 CR3: 000000002559b000 CR4: 0000000000002660
Feb 23 22:56:56 xen06 lvm[3984]: Monitoring snapshot XenGroup-testcrash1--s= napshot
Feb 23 22:56:56 xen06 kernel: DR0: 0000000000000000 DR1: 000000= 0000000000 DR2: 0000000000000000
Feb 23 22:56:56 xen06 kernel: DR3: 0000= 000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Feb 23 22:56:56 xen06 kernel: Process mpath_wait (pid: 15222, threadinfo ff= ff8800265b8000, task ffff88003b940200)
Feb 23 22:56:56 xen06 kernel: Sta= ck:
Feb 23 22:56:56 xen06 kernel:=A0 0000000000000000 0000000000202bff 0= 00000013f009e18 00000000000306d7
Feb 23 22:56:56 xen06 kernel: <0> ffff8800265b9e08 ffffffff8100e07c f= fff8800267bdac0 ffff88002679f570
Feb 23 22:56:56 xen06 kernel: <0>= ffff8800265b9e18 ffffffff8100e0af ffff8800265b9e58 ffffffff810a408b
Feb 23 22:56:56 xen06 kernel: Call Trace:
Feb 23 22:56:56 xen06 kernel:= =A0 [<ffffffff8100e07c>] xen_alloc_ptpage+0x64/0x69
Feb 23 22:56:5= 6 xen06 kernel:=A0 [<ffffffff8100e0af>] xen_alloc_pte+0xe/0x10
Feb= 23 22:56:56 xen06 kernel:=A0 [<ffffffff810a408b>] __pte_alloc+0x70/0= xce
Feb 23 22:56:56 xen06 kernel:=A0 [<ffffffff810a4229>] handle_mm_fault= +0x140/0x8b9
Feb 23 22:56:56 xen06 kernel:=A0 [<ffffffff8131be2d>]= do_page_fault+0x252/0x2e2
Feb 23 22:56:56 xen06 kernel:=A0 [<fffffff= f81319db5>] page_fault+0x25/0x30
Feb 23 22:56:56 xen06 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 f= b 74 5b 48
Feb 23 22:56:56 xen06 kernel: RIP=A0 [<ffffffff8100cb5b>] pin_pagetab= le_pfn+0x53/0x59
Feb 23 22:56:56 xen06 kernel:=A0 RSP <ffff8800265b9d= c8>
Feb 23 22:56:56 xen06 kernel: ---[ end trace fd2f141edfc37649 ]--= -
Feb 23 22:56:56 xen06 kernel: kjournald starting.=A0 Commit interval 5 seco= nds
Feb 23 22:56:56 xen06 kernel: EXT3 FS on dm-11, internal journal
= Feb 23 22:56:56 xen06 kernel: EXT3-fs: mounted filesystem with ordered data= mode.
Feb 23 23:00:01 xen06 syslogd 1.4.1: restart.
Feb 23 23:00:01 xen06 kern= el: klogd 1.4.1, log source =3D /proc/kmsg started.
Feb 23 23:00:01 xen0= 6 kernel: Linux version 2.6.32.28-2.xen.pvops.choon.centos5 (mockbuild@builder5.choon.net) (gcc ve= rsion 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Wed Feb 23 22:29:39 SGT 201= 1
Feb 23 23:00:01 xen06 kernel: Command line: ro root=3D/dev/md1 panic=3D5 pa= nic_timeout=3D5
Feb 23 23:00:01 xen06 kernel: KERNEL supported cpus:
= Feb 23 23:00:01 xen06 kernel:=A0=A0 Intel GenuineIntel
Feb 23 23:00:01 x= en06 kernel:=A0=A0 AMD AuthenticAMD
Feb 23 23:00:01 xen06 kernel:=A0=A0 Centaur CentaurHauls
Feb 23 23:00:01= xen06 kernel: released 0 pages of unused memory
Feb 23 23:00:01 xen06 k= ernel: BIOS-provided physical RAM map:
Feb 23 23:00:01 xen06 kernel:=A0 = Xen: 0000000000000000 - 00000000000a0000 (usable)
Feb 23 23:00:01 xen06 kernel:=A0 Xen: 00000000000a0000 - 0000000000100000 (= reserved)
Feb 23 23:00:01 xen06 kernel:=A0 Xen: 0000000000100000 - 00000= 00040000000 (usable)
Feb 23 23:00:01 xen06 kernel:=A0 Xen: 00000000dffc0= 000 - 00000000dffcfc00 (ACPI data)
Feb 23 23:00:01 xen06 kernel:=A0 Xen: 00000000dffcfc00 - 00000000dffff000 (= reserved)
Feb 23 23:00:01 xen06 kernel:=A0 Xen: 00000000f0000000 - 00000= 000f4000000 (reserved)
Feb 23 23:00:01 xen06 kernel:=A0 Xen: 00000000fec= 00000 - 00000000fed00400 (reserved)
Feb 23 23:00:01 xen06 kernel:=A0 Xen: 00000000fed13000 - 00000000feda0000 (= reserved)
Feb 23 23:00:01 xen06 kernel:=A0 Xen: 00000000fee00000 - 00000= 000fee10000 (reserved)
Feb 23 23:00:01 xen06 kernel:=A0 Xen: 00000000ffb= 00000 - 0000000100000000 (reserved)
Feb 23 23:00:01 xen06 kernel:=A0 Xen: 00000001ffffe000 - 0000000200000000 (= reserved)
Feb 23 23:00:01 xen06 kernel:=A0 Xen: 0000000200000000 - 00000= 003bffbe000 (usable)

Even I patch with latest 2.6.32.29:

Feb 24 01:03:17 xen06 kernel: ------------[ cut here ]------------
F= eb 24 01:03:17 xen06 kernel: kernel BUG at arch/x86/xen/mmu.c:1872!
Feb = 24 01:03:17 xen06 kernel: invalid opcode: 0000 [#2] SMP
Feb 24 01:03:17= xen06 kernel: last sysfs file: /sys/block/dm-13/dev
Feb 24 01:03:17 xen06 kernel: CPU 2
Feb 24 01:03:17 xen06 kernel: Modul= es linked in: dlm configfs xt_physdev iptable_filter ip_tables x_tables bri= dge stp be2iscsi iscsi_tcp bnx2i cnic uio ipv6 cxgb3i cxgb3 mdio libiscsi_t= cp libiscsi scsi_transport_iscsi dm_multipath scsi_dh video backlight outpu= t sbs sbshc power_meter hwmon battery acpi_memhotplug xen_acpi_memhotplug a= c parport_pc lp parport sg ide_cd_mod cdrom tg3 serio_raw libphy button tpm= _tis tpm tpm_bios pcspkr shpchp i2c_i801 i2c_core iTCO_wdt dm_snapshot dm_z= ero dm_mirror dm_region_hash dm_log dm_mod ata_piix libata sd_mod scsi_mod = raid1 ext3 jbd uhci_hcd ohci_hcd ehci_hcd [last unloaded: microcode]
Feb 24 01:03:17 xen06 kernel: Pid: 509, comm: dmsetup Tainted: G=A0=A0=A0= =A0=A0 D=A0=A0=A0 2.6.32.29-0.xen.pvops.choon.centos5 #1 PowerEdge 860
F= eb 24 01:03:17 xen06 kernel: RIP: e030:[<ffffffff8100cb5b>]=A0 [<f= fffffff8100cb5b>] pin_pagetable_pfn+0x53/0x59
Feb 24 01:03:17 xen06 kernel: RSP: e02b:ffff88003ced5dc8=A0 EFLAGS: 0001028= 2
Feb 24 01:03:17 xen06 kernel: RAX: 00000000ffffffea RBX: 0000000000030= 395 RCX: 0000000000000181
Feb 24 01:03:17 xen06 kernel: RDX: 00000000dea= dbeef RSI: 00000000deadbeef RDI: 00000000deadbeef
Feb 24 01:03:17 xen06 kernel: RBP: ffff88003ced5de8 R08: 0000000000000ca8 R= 09: ffff880000000000
Feb 24 01:03:17 xen06 kernel: R10: 00000000deadbeef= R11: 0000000000000246 R12: 0000000000000003
Feb 24 01:03:17 xen06 kerne= l: R13: 0000000000030395 R14: ffff88003025c4c0 R15: 00000033e1e00258
Feb 24 01:03:17 xen06 kernel: FS:=A0 00007ff20eb366e0(0000) GS:ffff88002808= 9000(0000) knlGS:0000000000000000
Feb 24 01:03:17 xen06 kernel: CS:=A0 e= 033 DS: 0000 ES: 0000 CR0: 000000008005003b
Feb 24 01:03:17 xen06 kernel= : CR2: 00000033e1e00258 CR3: 000000003b57b000 CR4: 0000000000002660
Feb 24 01:03:17 xen06 kernel: DR0: 0000000000000000 DR1: 0000000000000000 D= R2: 0000000000000000
Feb 24 01:03:17 xen06 kernel: DR3: 0000000000000000= DR6: 00000000ffff0ff0 DR7: 0000000000000400
Feb 24 01:03:17 xen06 kerne= l: Process dmsetup (pid: 509, threadinfo ffff88003ced4000, task ffff8800302= 5c4c0)
Feb 24 01:03:17 xen06 kernel: Stack:
Feb 24 01:03:17 xen06 kernel:=A0 00= 00000000000000 0000000000202741 000000013e6e5a18 0000000000030395
Feb 24= 01:03:17 xen06 kernel: <0> ffff88003ced5e08 ffffffff8100e07c ffff880= 03000aac0 ffff880036bb1878
Feb 24 01:03:17 xen06 kernel: <0> ffff88003ced5e18 ffffffff8100e0af f= fff88003ced5e58 ffffffff810a4309
Feb 24 01:03:17 xen06 kernel: Call Trac= e:
Feb 24 01:03:17 xen06 kernel:=A0 [<ffffffff8100e07c>] xen_alloc= _ptpage+0x64/0x69
Feb 24 01:03:17 xen06 kernel:=A0 [<ffffffff8100e0af>] xen_alloc_pte+0= xe/0x10
Feb 24 01:03:17 xen06 kernel:=A0 [<ffffffff810a4309>] __pt= e_alloc+0x70/0xce
Feb 24 01:03:17 xen06 kernel:=A0 [<ffffffff810a44a7= >] handle_mm_fault+0x140/0x8b9
Feb 24 01:03:17 xen06 kernel:=A0 [<ffffffff8131c1fd>] do_page_fault+0= x252/0x2e2
Feb 24 01:03:17 xen06 kernel:=A0 [<ffffffff8131a185>] p= age_fault+0x25/0x30
Feb 24 01:03:18 xen06 kernel: Code: 48 b8 ff ff ff f= f ff ff ff 7f 48 21 c2 48 89 55 e8 48 8d 7d e0 be 01 00 00 00 31 d2 41 ba f= 0 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
Feb 24 01:03:18 xen06 kernel: RIP=A0 [<ffffffff8100cb5b>] pin_pagetab= le_pfn+0x53/0x59
Feb 24 01:03:18 xen06 kernel:=A0 RSP <ffff88003ced5d= c8>
Feb 24 01:03:18 xen06 kernel: ---[ end trace 5ea31e622470b519 ]--= -
Feb 24 01:06:21 xen06 syslogd 1.4.1: restart.
Feb 24 01:06:21 xen06 kern= el: klogd 1.4.1, log source =3D /proc/kmsg started.
Feb 24 01:06:21 xen0= 6 kernel: Linux version 2.6.32.29-0.xen.pvops.choon.centos5 (mockbuild@builder5.choon.net) (gcc ve= rsion 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Thu Feb 24 00:21:24 SGT 201= 1
Feb 24 01:06:21 xen06 kernel: Command line: ro root=3D/dev/md1 panic=3D5 pa= nic_timeout=3D5
Feb 24 01:06:21 xen06 kernel: KERNEL supported cpus:
= Feb 24 01:06:21 xen06 kernel:=A0=A0 Intel GenuineIntel
Feb 24 01:06:21 x= en06 kernel:=A0=A0 AMD AuthenticAMD
Feb 24 01:06:21 xen06 kernel:=A0=A0 Centaur CentaurHauls
Feb 24 01:06:21= xen06 kernel: released 0 pages of unused memory
Feb 24 01:06:21 xen06 k= ernel: BIOS-provided physical RAM map:
Feb 24 01:06:21 xen06 kernel:=A0 = Xen: 0000000000000000 - 00000000000a0000 (usable)
Feb 24 01:06:21 xen06 kernel:=A0 Xen: 00000000000a0000 - 0000000000100000 (= reserved)
Feb 24 01:06:21 xen06 kernel:=A0 Xen: 0000000000100000 - 00000= 00040000000 (usable)
Feb 24 01:06:21 xen06 kernel:=A0 Xen: 00000000dffc0= 000 - 00000000dffcfc00 (ACPI data)
Feb 24 01:06:21 xen06 kernel:=A0 Xen: 00000000dffcfc00 - 00000000dffff000 (= reserved)
Feb 24 01:06:21 xen06 kernel:=A0 Xen: 00000000f0000000 - 00000= 000f4000000 (reserved)
Feb 24 01:06:21 xen06 kernel:=A0 Xen: 00000000fec= 00000 - 00000000fed00400 (reserved)
Feb 24 01:06:21 xen06 kernel:=A0 Xen: 00000000fed13000 - 00000000feda0000 (= reserved)
Feb 24 01:06:21 xen06 kernel:=A0 Xen: 00000000fee00000 - 00000= 000fee10000 (reserved)
Feb 24 01:06:21 xen06 kernel:=A0 Xen: 00000000ffb= 00000 - 0000000100000000 (reserved)
Feb 24 01:06:21 xen06 kernel:=A0 Xen: 00000001ffffe000 - 0000000200000000 (= reserved)
Feb 24 01:06:21 xen06 kernel:=A0 Xen: 0000000200000000 - 00000= 003bffbe000 (usable)
Feb 24 01:06:21 xen06 kernel: DMI 2.4 present.
F= eb 24 01:06:21 xen06 kernel: last_pfn =3D 0x3bffbe max_arch_pfn =3D 0x40000= 0000
Feb 24 01:06:21 xen06 kernel: x86 PAT enabled: cpu 0, old 0x50100070406, ne= w 0x7010600070106
Feb 24 01:06:21 xen06 kernel: last_pfn =3D 0x40000 max= _arch_pfn =3D 0x400000000

Thanks.

Kindest regards,
Giam Te= ck Choon
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