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[Bug 581271] New: bug aoe modules in xen kernel
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Fri, 19 Feb 2010 13:39:38 +0000
  • Message-id: <bug-581271-21960@xxxxxxxxxxxxxxxxxxxxxxxx/>
http://bugzilla.novell.com/show_bug.cgi?id=581271

http://bugzilla.novell.com/show_bug.cgi?id=581271#c0


Summary: bug aoe modules in xen kernel
Classification: openSUSE
Product: openSUSE 11.2
Version: Final
Platform: x86-64
OS/Version: openSUSE 11.2
Status: NEW
Severity: Critical
Priority: P5 - None
Component: Kernel
AssignedTo: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: taeuber@xxxxxxx
QAContact: qa@xxxxxxx
Found By: ---
Blocker: ---


User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.0.18)
Gecko/2010021501 Ubuntu/9.04 (jaunty) Firefox/3.0.18

This happens right after starting a just updated a para-virt opensuse 11.2
guest to the most recent kernel. The para-virt guest doesn't start up it gets
into paused state.
Rebooting the host is not possible.
This happens on the host system:

[10285.958008] ------------[ cut here ]------------
[10285.958030] kernel BUG at
/usr/src/packages/BUILD/kernel-xen-2.6.31.12/linux-2.6.31/drivers/block/aoe/aoeblk.c:177!
[10285.958064] invalid opcode: 0000 [#1] SMP
[10285.958083] last sysfs file: /sys/devices/virtual/block/dm-0/range
[10285.958095] CPU 2
[10285.958104] Modules linked in: nf_conntrack_ipv4 nf_defrag_ipv4 xt_state
nf_conntrack xt_physdev iptable_filter ip_tables x_tables nls_utf8 netbk blkbk
blkback_pagemap blktap xenbus_be nfs lockd fscache nfs_acl auth_rpcgss sunrpc
bridge stp llc fuse loop dm_mod aoe tg3 bnx2 i2c_piix4 sg pcspkr shpchp
container i2c_core pci_hotplug button mptctl raid456 raid6_pq async_xor
async_memcpy async_tx xor raid0 ohci_hcd ehci_hcd xenblk cdrom xennet edd raid1
fan processor mptsas mptscsih mptbase scsi_transport_sas thermal thermal_sys
hwmon
[10285.958279] Pid: 3888, comm: kdmflush Not tainted 2.6.31.12-0.1-xen #1
PRIMERGY BX630 S2
[10285.958296] RIP: e030:[<ffffffffa01ea976>] [<ffffffffa01ea976>]
aoeblk_make_request+0x256/0x280 [aoe]
[10285.958330] RSP: e02b:ffff8807a3949ad0 EFLAGS: 00010246
[10285.958341] RAX: 000000000000002c RBX: ffff8807a395df00 RCX:
000000000003ffff
[10285.958353] RDX: 0000000000000000 RSI: 0000000000000001 RDI:
ffffffff80801490
[10285.958366] RBP: ffff8807a3949b20 R08: 0000000000000033 R09:
0000000000010643
[10285.958378] R10: 0000000000000005 R11: 0000000000000000 R12:
ffff8807a4b0c600
[10285.958390] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000009800810
[10285.958414] FS: 00007fbfb5ca4790(0000) GS:ffffc90000020000(0000)
knlGS:0000000000000000
[10285.958429] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[10285.958440] CR2: 00007fff8852f0a0 CR3: 00000007de18a000 CR4:
0000000000000660
[10285.958455] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[10285.958468] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[10285.958481] Process kdmflush (pid: 3888, threadinfo ffff8807a3948000, task
ffff8806c11cc440)
[10285.958495] Stack:
[10285.958501] ffff8806c11cc440 ffff8807a395df00 0000000000000000
0000000000000000
[10285.958519] <0> 0000000000000000 000000007e5388d1 ffff8807a395df00
ffff8807da980e58
[10285.958539] <0> 0000000000000000 0000000000000000 ffff8807a3949be0
ffffffff802223bb
[10285.958562] Call Trace:
[10285.958605] [<ffffffff802223bb>] generic_make_request+0x19b/0x4c0
[10285.958646] [<ffffffffa01fa215>] __map_bio+0xd5/0x160 [dm_mod]
[10285.958687] [<ffffffffa01fa34b>] __clone_and_map_empty_barrier+0xab/0xf0
[dm_mod]
[10285.958725] [<ffffffffa01fa6af>] __clone_and_map+0x31f/0x330 [dm_mod]
[10285.958761] [<ffffffffa01fbdb7>] __split_and_process_bio+0x117/0x1a0
[dm_mod]
[10285.958801] [<ffffffffa01fbe9f>] dm_flush+0x5f/0x90 [dm_mod]
[10285.958838] [<ffffffffa01fbf08>] process_barrier+0x38/0x150 [dm_mod]
[10285.958876] [<ffffffffa01fc07b>] dm_wq_work+0x5b/0x170 [dm_mod]
[10285.958909] [<ffffffff80069303>] run_workqueue+0x83/0x230
[10285.958930] [<ffffffff80069564>] worker_thread+0xb4/0x140
[10285.958947] [<ffffffff8006f9d6>] kthread+0xb6/0xc0
[10285.958967] [<ffffffff8000d38a>] child_rip+0xa/0x20
[10285.958981] Code: e8 1e a0 31 c0 e8 0c 13 28 e0 48 8b 7d b8 be f4 ff ff ff
e8 8d 1f f6 df e9 5e ff ff ff 48 c7 c7 b0 e5 1e a0 31 c0 e8 eb 12 28 e0 <0f> 0b
eb fe 48 c7 c7 a8 e8 1e a0 31 c0 e8 d9 12 28 e0 0f 0b eb
[10285.959107] RIP [<ffffffffa01ea976>] aoeblk_make_request+0x256/0x280 [aoe]
[10285.959128] RSP <ffff8807a3949ad0>
[10285.960116] ---[ end trace be65f4e90431af85 ]---




Reproducible: Always

Steps to Reproduce:
1. install opensuse 11.2 xen host system
2. install all updates on host

3. install para-virt opensuse 11.2 guest with aoe phy drives:
disk=[ 'phy:/dev/etherd/e8.1,xvda,w', 'phy:/dev/etherd/e8.2,xvdb,w',
'phy:/dev/etherd/e8.3,xvdc,w',
'file:/root/openSUSE-11.2-DVD-x86_64.iso,xvdd,r', ]

4. update para-virt guest to the most recent kernel
5. halt para-virt guest
6. start para-virt guest:
# xm list
Name ID Mem VCPUs State Time(s)
Domain-0 0 28288 8 r----- 1857.5
domU-1 8 4096 0 --p--- 0.0


Actual Results:
hosts system doesn't react on shutdown command as it should do
guest system can't be started

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