[Xen-devel] [SPAM] Re: kernel BUG at arch/x86/xen/mmu.c:1860!

[tjaouen <tjaouen@xxxxxxx>]

Teck Choon Giam wrote:
> 
> 
> I hope this isn't just distribution specific issue for PVOPS
> stable/xen-2.6.32.x Dom0... ... mostly not as from this thread alone I see
> someone saying they hit this bug as well and I believe they are not
> running
> CentOS 5.x... guess is debian based distribution.
> 
> 

Debian/Squeeze ""Stable""

Debian GNU/Linux 6.0                                                            
                                                                                
                               
Linux xencave 2.6.32-5-xen-amd64 #1 SMP Wed Jan 12 05:46:49 UTC 2011 x86_64
GNU/Linux                                                                       
                                   


March 1, I enter this command:

  lvcreate -s -L 5G -n databank_snap /dev/vgraid1/databank

 .... and BUG in /var/log/syslog:

Mar  1 21:23:56 xencave kernel: [1840078.405905] ------------[ cut here
]------------
Mar  1 21:23:56 xencave kernel: [1840078.405937] kernel BUG at
/build/buildd-linux-2.6_2.6.32-30-amd64-d4MbNM/linux-2.6-2.6.32/debian/build/source_amd64_xen/arch/x86/xen/mmu.c:1649!
Mar  1 21:23:56 xencave kernel: [1840078.405981] invalid opcode: 0000 [#1]
SMP 
Mar  1 21:23:56 xencave kernel: [1840078.406010] last sysfs file:
/sys/devices/virtual/bdi/253:35/uevent
Mar  1 21:23:56 xencave kernel: [1840078.406037] CPU 0 
Mar  1 21:23:56 xencave kernel: [1840078.406065] Modules linked in:
dm_snapshot nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack
xt_physdev iptable_filter ip_tables x_tables xen_evtchn xenfs bridge stp
coretemp it87 hwmon_vid fuse loop i915 drm_kms_helper drm snd_pcsp processor
i2c_algo_bit button video acpi_processor i2c_i801 snd_pcm snd_timer rng_core
serio_raw i2c_core evdev snd output soundcore snd_page_alloc usbhid hid ext3
jbd mbcache dm_mod raid1 md_mod sg sr_mod cdrom sd_mod crc_t10dif
ata_generic uhci_hcd ata_piix libata r8169 mii thermal thermal_sys ehci_hcd
scsi_mod usbcore nls_base [last unloaded: scsi_wait_scan]
Mar  1 21:23:56 xencave kernel: [1840078.406505] Pid: 14525, comm: udevd Not
tainted 2.6.32-5-xen-amd64 #1 945GM-S2
Mar  1 21:23:56 xencave kernel: [1840078.406539] RIP: e030:[]  []
pin_pagetable_pfn+0x2d/0x36
Mar  1 21:23:56 xencave kernel: [1840078.406586] RSP: e02b:ffff88000df33e08 
EFLAGS: 00010282
Mar  1 21:23:56 xencave kernel: [1840078.406608] RAX: 00000000ffffffea RBX:
000000000000df31 RCX: 0000000000000001
Mar  1 21:23:56 xencave kernel: [1840078.406642] RDX: 0000000000000000 RSI:
0000000000000001 RDI: ffff88000df33e08
Mar  1 21:23:56 xencave kernel: [1840078.406677] RBP: ffff8800028bb480 R08:
0000000000000988 R09: ffffea000030d2b8
Mar  1 21:23:56 xencave kernel: [1840078.406711] R10: 0000000000007ff0 R11:
ffff880000000838 R12: ffff88004f026a48
Mar  1 21:23:56 xencave kernel: [1840078.406745] R13: ffff880002be3f18 R14:
ffff8800513f2a60 R15: ffff88004f026a48
Mar  1 21:23:56 xencave kernel: [1840078.406784] FS:  00007ff6a99077a0(0000)
GS:ffff88000390b000(0000) knlGS:0000000000000000
Mar  1 21:23:56 xencave kernel: [1840078.406820] CS:  e033 DS: 0000 ES: 0000
CR0: 000000008005003b
Mar  1 21:23:56 xencave kernel: [1840078.406842] CR2: 00007ff6a9215876 CR3:
000000004af1a000 CR4: 0000000000002660
Mar  1 21:23:56 xencave kernel: [1840078.406878] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Mar  1 21:23:56 xencave kernel: [1840078.406913] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Mar  1 21:23:56 xencave kernel: [1840078.406948] Process udevd (pid: 14525,
threadinfo ffff88000df32000, task ffff8800513f2a60)
Mar  1 21:23:56 xencave kernel: [1840078.406985] Stack:
Mar  1 21:23:56 xencave kernel: [1840078.407003]  0000000000000000
00000000000af260 ffffea000030d2b8 000000000000df31
Mar  1 21:23:56 xencave kernel: [1840078.407042] <0> ffff8800028bb480
ffffffff810cd4e2 ffff88004af24ed0 00007ff6a9215876
Mar  1 21:23:56 xencave kernel: [1840078.407095] <0> 000000004af24000
ffffffff810cb394 ffff880002be3f18 00007ff6a9215876
Mar  1 21:23:56 xencave kernel: [1840078.407164] Call Trace:
Mar  1 21:23:56 xencave kernel: [1840078.407187]  [] ? __pte_alloc+0x6b/0xc6
Mar  1 21:23:56 xencave kernel: [1840078.407212]  [] ? pmd_alloc+0x28/0x5b
Mar  1 21:23:56 xencave kernel: [1840078.407235]  [] ?
handle_mm_fault+0xce/0x80f
Mar  1 21:23:56 xencave kernel: [1840078.407262]  [] ? page_fault+0x25/0x30
Mar  1 21:23:56 xencave kernel: [1840078.407287]  [] ? error_exit+0x2a/0x60
Mar  1 21:23:56 xencave kernel: [1840078.407311]  [] ?
retint_restore_args+0x5/0x6
Mar  1 21:23:56 xencave kernel: [1840078.407336]  [] ?
do_page_fault+0x2e0/0x2fc
Mar  1 21:23:56 xencave kernel: [1840078.407361]  [] ? page_fault+0x25/0x30
Mar  1 21:23:56 xencave kernel: [1840078.407383] Code: ec 28 89 3c 24 48 89
f7 e8 a2 fd ff ff 48 89 e7 48 89 44 24 08 be 01 00 00 00 31 d2 41 ba f0 7f
00 00 e8 b0 cc ff ff 85 c0 74 04 <0f> 0b eb fe 48 83 c4 28 c3 55 49 89 ca 48
89 d5 40 88 f1 48 89 
Mar  1 21:23:56 xencave kernel: [1840078.407702] RIP  []
pin_pagetable_pfn+0x2d/0x36
Mar  1 21:23:56 xencave kernel: [1840078.407731]  RSP 




--
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