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List:       xen-bugs
Subject:    [Xen-bugs] [Bug 1626] 2.6.32 Dom0 crashes after lv* commands
From:       bugzilla-daemon () lists ! xensource ! com
Date:       2010-11-05 2:59:24
Message-ID: 201011050259.oA52xO3F024528 () bugzilla ! xensource ! com
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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1626


andersk@mit.edu changed:

           What    |Removed                     |Added
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                 CC|                            |andersk@mit.edu




------- Comment #1 from andersk@mit.edu  2010-11-04 19:59 -------
I see this too with Debian's linux-image-2.6.32-bpo.5-xen-amd64
2.6.32-26~bpo50+1.

BUG: unable to handle kernel paging request at ffff8805e2b1b010
IP: [<ffffffff8100e3a0>] xen_set_pmd+0x15/0x2c
PGD 1002067 PUD 8453067 PMD 8569067 PTE 80100005e2b1b065
Oops: 0003 [#1] SMP 
last sysfs file: /sys/devices/virtual/net/lo/operstate
CPU 4 
Modules linked in: snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_midi snd_rawmidi
snd_seq_midi_event snd_seq snd_timer snd_seq_device evdev parport_pc i2c_i801
parport pcspkr i2c_core tpm_infineon tpm tpm_bios snd container rng_core
i5400_edac edac_core i5k_amb soundcore snd_page_alloc shpchp pci_hotplug
processor button acpi_processor ext3 jbd mbcache dm_mirror dm_region_hash
dm_log dm_mod raid1 md_mod sd_mod crc_t10dif ata_piix ahci ata_generic
firewire_ohci libata firewire_core crc_itu_t scsi_mod ehci_hcd uhci_hcd usbcore
nls_base e1000e floppy thermal fan thermal_sys [last unloaded: scsi_wait_scan]
Pid: 3603, comm: net.agent Not tainted 2.6.32-bpo.5-xen-amd64 #1 empty
RIP: e030:[<ffffffff8100e3a0>]  [<ffffffff8100e3a0>] xen_set_pmd+0x15/0x2c
RSP: e02b:ffff8805de453d38  EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8805e2b1b010 RCX: ffff880000000000
RDX: ffffea0000000000 RSI: 00000000026c4000 RDI: ffff8805e2b1b010
RBP: 0000000000000000 R08: 00000000026c4000 R09: ffff8805e3c80800
R10: 0000000000000000 R11: ffff8805e14085b0 R12: 00000000006c8000
R13: 0000000000400000 R14: ffff8805e2b1b010 R15: ffff8805df899000
FS:  00007fbae80b36e0(0000) GS:ffff88001c395000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffff8805e2b1b010 CR3: 0000000001001000 CR4: 0000000000002660
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process net.agent (pid: 3603, threadinfo ffff8805de452000, task
ffff8805e160a350)
Stack:
 ffff880000000000 0000000000600000 0000000000400000 ffffffff810cf5a4
<0> ffff8805de453fd8 00000005d0761067 0000000000000000 0000000000000000
<0> 0000000000000000 00000000006c7fff 00000000006c7fff 0000000002600000
Call Trace:
 [<ffffffff810cf5a4>] ? free_pgd_range+0x226/0x3bf
 [<ffffffff810cf7d9>] ? free_pgtables+0x9c/0xbb
 [<ffffffff810d0fb9>] ? exit_mmap+0xef/0x148
 [<ffffffff8104c9e1>] ? mmput+0x3c/0xdf
 [<ffffffff810505be>] ? exit_mm+0x102/0x10d
 [<ffffffff8130bdf2>] ? _spin_lock_irq+0x7/0x22
 [<ffffffff81051fbc>] ? do_exit+0x1e7/0x6b5
 [<ffffffff81052500>] ? do_group_exit+0x76/0x9d
 [<ffffffff81052539>] ? sys_exit_group+0x12/0x16
 [<ffffffff8130c46a>] ? error_exit+0x2a/0x60
 [<ffffffff81011b42>] ? system_call_fastpath+0x16/0x1b
Code: fb ff ff e8 46 f5 01 00 bf 01 00 00 00 e8 c9 ea ff ff 59 5e 5b c3 55 48
89 f5 53 48 89 fb 48 83 ec 08 e8 6e e3 ff ff 84 c0 75 08 <48> 89 2b 41 59 5b 5d
c3 41 58 48 89 df 48 89 ee 5b 5d e9 7e ff 
RIP  [<ffffffff8100e3a0>] xen_set_pmd+0x15/0x2c
 RSP <ffff8805de453d38>
CR2: ffff8805e2b1b010
---[ end trace bf8a9b52f58afb28 ]---
Fixing recursive fault but reboot is needed!


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