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xen-users
RE: [Xen-users] BUG after create snapshot in a script - Xen 4.01 -2.6.32
________________________________________
Von: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] Im Auftrag von Rémi BERNIER
Gesendet: Dienstag, 10. Mai 2011 14:07
An: Xen-users@xxxxxxxxxxxxxxxxxxx
Betreff: [Xen-users] BUG after create snapshot in a script - Xen 4.01
-2.6.32-5-xen-amd64
Hello list,
I have met a Bug in the debian squeeze with the kernel 2.6.32-5-xen-amd64 and
Xen 4.0.1
I have try with two differents environement, but i have the same result...
I haven't this bug when i use just the kernel 2.6.32-5-xen-amd64 without the
hypervisor Xen 4.0.1 and on the debian lenny with the kernel 2.6.26-2-xen-amd64
+ Xen 3.2.1.
When i run a script who create a snapshot of a LV, i have this Bug error:
Just after the "lvcreate -s -n Snap -L 1G /dev/data/svsqueeze" in the script
May 10 12:39:29 asusf3ja kernel: [ 55.006801] BUG: unable to handle kernel
paging request at ffff88000f0cc010
May 10 12:39:29 asusf3ja kernel: [ 55.006921] IP: [<ffffffff8100e428>]
xen_set_pmd+0x15/0x2c
May 10 12:39:29 asusf3ja kernel: [ 55.007000] PGD 1002067 PUD 1006067 PMD
6a067 PTE 801000000f0cc065
May 10 12:39:29 asusf3ja kernel: [ 55.007162] Oops: 0003 [#1] SMP
May 10 12:39:29 asusf3ja kernel: [ 55.007261] last sysfs file:
/sys/devices/virtual/block/dm-0/dm/suspended
May 10 12:39:29 asusf3ja kernel: [ 55.007308] CPU 1
May 10 12:39:29 asusf3ja kernel: [ 55.007374] Modules linked in: dm_snapshot
sco bridge stp bnep rfcomm l2cap bluetooth parport_pc ppdev cpufreq_userspace
cpufreq_stats cpufreq_powersave lp cpufreq_conservative parport xen_evtchn
xenfs uinput fuse loop firewire_sbp2 snd_hda_codec_si3054 snd_hda_codec_realtek
snd_hda_intel snd_hda_codec snd_hwdep arc4 snd_pcm radeon ecb joydev snd_timer
ttm drm_kms_helper stkwebcam i2c_i801 snd soundcore iwl3945 drm i2c_algo_bit
videodev v4l1_compat v4l2_compat_ioctl32 iwlcore snd_page_alloc i2c_core
psmouse pcspkr evdev rng_core asus_laptop mac80211 serio_raw cfg80211 rfkill
battery ac button video output processor acpi_processor ext4 mbcache jbd2 crc16
dm_mod sg sr_mod cdrom sd_mod crc_t10dif ata_generic uhci_hcd sdhci_pci sdhci
ehci_hcd ata_piix thermal firewire_ohci libata mmc_core led_class thermal_sys
ricoh_mmc firewire_core crc_itu_t r8169 mii usbcore nls_base scsi_mod [last
unloaded: scsi_wait_scan]
May 10 12:39:29 asusf3ja kernel: [ 55.009039] Pid: 1907, comm: dmsetup_env
Not tainted 2.6.32-5-xen-amd64 #1 F3JA
May 10 12:39:29 asusf3ja kernel: [ 55.009039] RIP: e030:[<ffffffff8100e428>]
[<ffffffff8100e428>] xen_set_pmd+0x15/0x2c
May 10 12:39:29 asusf3ja kernel: [ 55.009039] RSP: e02b:ffff88000264db18
EFLAGS: 00010246
May 10 12:39:29 asusf3ja kernel: [ 55.009039] RAX: 0000000000000000 RBX:
ffff88000f0cc010 RCX: ffff880000000000
May 10 12:39:29 asusf3ja kernel: [ 55.009039] RDX: ffffea0000000000 RSI:
0000000001d4a000 RDI: ffff88000f0cc010
May 10 12:39:29 asusf3ja kernel: [ 55.009039] RBP: 0000000000000000 R08:
0000000001d4a000 R09: ffff88000fc03c00
May 10 12:39:29 asusf3ja kernel: [ 55.009039] R10: 0000000000000000 R11:
ffff880002710760 R12: 000000000061c000
May 10 12:39:29 asusf3ja kernel: [ 55.009039] R13: 0000000000400000 R14:
ffff88000f0cc010 R15: ffff88000f396000
May 10 12:39:29 asusf3ja kernel: [ 55.009039] FS: 00007f7138d0b700(0000)
GS:ffff880003356000(0000) knlGS:0000000000000000
May 10 12:39:29 asusf3ja kernel: [ 55.009039] CS: e033 DS: 0000 ES: 0000
CR0: 000000008005003b
May 10 12:39:29 asusf3ja kernel: [ 55.009039] CR2: ffff88000f0cc010 CR3:
000000000eda9000 CR4: 0000000000002660
May 10 12:39:29 asusf3ja kernel: [ 55.009039] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
May 10 12:39:29 asusf3ja kernel: [ 55.009039] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
May 10 12:39:29 asusf3ja kernel: [ 55.009039] Process dmsetup_env (pid: 1907,
threadinfo ffff88000264c000, task ffff8800025fc6a0)
May 10 12:39:29 asusf3ja kernel: [ 55.009039] Stack:
May 10 12:39:29 asusf3ja kernel: [ 55.009039] ffff880000000000
0000000000600000 0000000000400000 ffffffff810cfae2
May 10 12:39:29 asusf3ja kernel: [ 55.009039] <0> ffff88000264dfd8
000000000edb1067 0000000003192ad3 0000000000000000
May 10 12:39:29 asusf3ja kernel: [ 55.009039] <0> 0000000000000000
000000000061bfff 000000000061bfff 0000000001c00000
May 10 12:39:29 asusf3ja kernel: [ 55.009039] Call Trace:
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff810cfae2>] ?
free_pgd_range+0x226/0x3bf
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff810cfd17>] ?
free_pgtables+0x9c/0xbd
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff810d14f9>] ?
exit_mmap+0xef/0x148
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff8104cc7d>] ?
mmput+0x3c/0xdf
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff810f470e>] ?
flush_old_exec+0x460/0x54c
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff81127468>] ?
load_elf_binary+0x0/0x1954
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff81127805>] ?
load_elf_binary+0x39d/0x1954
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff810cc7ce>] ?
follow_page+0x2ad/0x303
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff810ce392>] ?
__get_user_pages+0x3ea/0x47b
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff810f5203>] ?
get_arg_page+0x61/0x110
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff81127468>] ?
load_elf_binary+0x0/0x1954
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff810f3ede>] ?
search_binary_handler+0xb4/0x245
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff810f56df>] ?
do_execve+0x1e4/0x2c3
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff81010500>] ?
sys_execve+0x35/0x4c
May 10 12:39:29 asusf3ja kernel: [ 55.009039] [<ffffffff81011f9a>] ?
stub_execve+0x6a/0xc0
May 10 12:39:29 asusf3ja kernel: [ 55.009039] Code: fb ff ff e8 d2 f4 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
May 10 12:39:29 asusf3ja kernel: [ 55.009039] RIP [<ffffffff8100e428>]
xen_set_pmd+0x15/0x2c
May 10 12:39:29 asusf3ja kernel: [ 55.009039] RSP <ffff88000264db18>
May 10 12:39:29 asusf3ja kernel: [ 55.009039] CR2: ffff88000f0cc010
May 10 12:39:29 asusf3ja kernel: [ 55.009039] ---[ end trace eb86c0dbc5e972a3
]---
Anyone have met this problem ?
Thanks in advance for your answer.
Regards,
Rémi
Hi,
have the same bug here!
It should be fixed as:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=614400
I'm not 100% shure but the fix should be available under proposed updates for
squeeze.
You can activate them under /etc/apt/sources.list
Add something like this to include "proposed updates"
# deb http://ftp-stud.hs-esslingen.de/debian squeeze-proposed-updates main
non-free contrib
I didn't try it in production environment until now and don't know which
impacts it might have to "mix" different deb sources.
Regards
Guido
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