From mboxrd@z Thu Jan 1 00:00:00 1970 From: Teck Choon Giam Subject: kernel BUG at arch/x86/xen/mmu.c:1860! Date: Sun, 26 Dec 2010 16:16:16 +0800 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0451750229==" Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org --===============0451750229== Content-Type: multipart/alternative; boundary=0015175d67425efc1904984bd573 --0015175d67425efc1904984bd573 Content-Type: text/plain; charset=ISO-8859-1 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:[] [] 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: [] xen_alloc_ptpage+0x64/0x69 Dec 26 15:58:31 xen01 kernel: [] xen_alloc_pte+0xe/0x10 Dec 26 15:58:31 xen01 kernel: [] __pte_alloc+0x70/0xce Dec 26 15:58:31 xen01 kernel: [] handle_mm_fault+0x140/0x8b9 Dec 26 15:58:31 xen01 kernel: [] ? d_kill+0x3a/0x42 Dec 26 15:58:31 xen01 kernel: [] ? __fput+0x1cb/0x1da Dec 26 15:58:31 xen01 kernel: [] do_page_fault+0x252/0x2e2 Dec 26 15:58:31 xen01 kernel: [] 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 [] pin_pagetable_pfn+0x53/0x59 Dec 26 15:58:31 xen01 kernel: RSP 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(); <
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 do= ing LVM snapshot for migration and get the following:

Dec 26 15:58:29 xen01 kernel: ------------[ cut here ]------------
D= ec 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: Modul= es 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 sc= si_dh video backlight output sbs sbshc power_meter hwmon battery acpi_memho= tplug 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>]=A0 [<ffffffff8100cb5b>] pin_pagetabl= e_pfn+0x53/0x59
Dec 26 15:58:29 xen01 kernel: RSP: e02b:ffff88003bc3bdc8=A0 EFLAGS: 0001028= 2
Dec 26 15:58:29 xen01 kernel: RAX: 00000000ffffffea RBX: 0000000000017= 605 RCX: 00000000000000bb
Dec 26 15:58:29 xen01 kernel: RDX: 00000000dea= dbeef RSI: 00000000deadbeef RDI: 00000000deadbeef
Dec 26 15:58:29 xen01 kernel: RBP: ffff88003bc3bde8 R08: 0000000000000028 R= 09: ffff880000000000
Dec 26 15:58:29 xen01 kernel: R10: 00000000deadbeef= R11: 00007fdb5665e600 R12: 0000000000000003
Dec 26 15:58:30 xen01 kerne= l: R13: 0000000000017605 R14: ffff880012ee0780 R15: 00007fdb56224268
Dec 26 15:58:30 xen01 kernel: FS:=A0 00007fdb56fed710(0000) GS:ffff88002804= f000(0000) knlGS:0000000000000000
Dec 26 15:58:30 xen01 kernel: CS:=A0 e= 033 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 D= R2: 0000000000000000
Dec 26 15:58:30 xen01 kernel: DR3: 0000000000000000= DR6: 00000000ffff0ff0 DR7: 0000000000000400
Dec 26 15:58:30 xen01 kerne= l: Process udevd (pid: 27998, threadinfo ffff88003bc3a000, task ffff880012e= e0780)
Dec 26 15:58:30 xen01 kernel: Stack:
Dec 26 15:58:30 xen01 kernel:=A0 00= 00000000000000 0000000000424121 000000013f00ae20 0000000000017605
Dec 26= 15:58:30 xen01 kernel: <0> ffff88003bc3be08 ffffffff8100e07c ffff880= 03a3c2580 ffff880034bb6588
Dec 26 15:58:30 xen01 kernel: <0> ffff88003bc3be18 ffffffff8100e0af f= fff88003bc3be58 ffffffff810a402f
Dec 26 15:58:31 xen01 kernel: Call Trac= e:
Dec 26 15:58:31 xen01 kernel:=A0 [<ffffffff8100e07c>] xen_alloc= _ptpage+0x64/0x69
Dec 26 15:58:31 xen01 kernel:=A0 [<ffffffff8100e0af>] xen_alloc_pte+0= xe/0x10
Dec 26 15:58:31 xen01 kernel:=A0 [<ffffffff810a402f>] __pt= e_alloc+0x70/0xce
Dec 26 15:58:31 xen01 kernel:=A0 [<ffffffff810a41cd= >] handle_mm_fault+0x140/0x8b9
Dec 26 15:58:31 xen01 kernel:=A0 [<ffffffff810d2ecc>] ? d_kill+0x3a/0= x42
Dec 26 15:58:31 xen01 kernel:=A0 [<ffffffff810c4cd1>] ? __fput= +0x1cb/0x1da
Dec 26 15:58:31 xen01 kernel:=A0 [<ffffffff8131be4d>]= do_page_fault+0x252/0x2e2
Dec 26 15:58:31 xen01 kernel:=A0 [<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 5= 3 48 89 fb 74 5b 48
Dec 26 15:58:31 xen01 kernel: RIP=A0 [<ffffffff8100cb5b>] pin_pagetab= le_pfn+0x53/0x59
Dec 26 15:58:31 xen01 kernel:=A0 RSP <ffff88003bc3bd= c8>
Dec 26 15:58:31 xen01 kernel: ---[ end trace 540bcf6f0170242d ]--= -

Triggered BUG() in line 1860:

static void pin_pagetable_pfn(unsi= gned cmd, unsigned long pfn)
{
=A0=A0=A0=A0=A0=A0=A0 struct mmuext_op= op;
=A0=A0=A0=A0=A0=A0=A0 op.cmd =3D cmd;
=A0=A0=A0=A0=A0=A0=A0 op.a= rg1.mfn =3D pfn_to_mfn(pfn);
=A0=A0=A0=A0=A0=A0 =A0=A0=A0 if (HYPERVISOR= _mmuext_op(&op, 1, NULL, DOMID_SELF))
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 =A0=A0=A0 BUG(); <<THIS ON= E?
}

Any idea?

Thanks.

Kindest regards,
Giam Teck Choon


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