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[Qemu-devel] [Bug 912612] Re: rhel5u5 guest panic when booting up
From: |
Yongjie Ren |
Subject: |
[Qemu-devel] [Bug 912612] Re: rhel5u5 guest panic when booting up |
Date: |
Fri, 03 Feb 2012 03:22:14 -0000 |
** Changed in: qemu
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/912612
Title:
rhel5u5 guest panic when booting up
Status in QEMU:
Fix Released
Bug description:
Environment:
------------
Host OS (ia32/ia32e/IA64): ia32e
Guest OS (ia32/ia32e/IA64): ia32e
Guest OS Type (Linux/Windows): Linux(rhel5u5)
kvm.git Commit:781f306789361d671187d9ddb518eea3ffda786a
qemu-kvm Commit:2850e9e3d3119f98ff775a75503b2153836c7475
Host Kernel Version:3.2.0-rc7
Hardware: Westmere-EP
Bug detailed description:
--------------------------
rhel5u5 guest panic when booting up in the latest kvm upstream.
When I tried rhel6u1 as a guest, I didn't met the guest panic issue.
This should be a kvm kernel bug.
kvm + qemu-kvm = result
781f3067 + 2850e9e3 = bad
08a95a51 + 2850e9e3 = good
guest panic serial log is attached.
Reproduce steps:
----------------
1.start up a host with kvm (commit:781f3067)
2.qemu-system-x86_64 -mem 512 -hda /root/rhel5u5.img
Current result:
----------------
guest panic
Expected result:
----------------
guest boot up correctly
Basic root-causing log:
----------------------
SMP alternatives: switching to UP code
Freeing SMP alternatives: 32k freed
ACPI: Core revision 20060707
general protection fault: 0000 [1] SMP
last sysfs file:
CPU 0
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.18-194.el5 #1
RIP: 0010:[<ffffffff8007f1df>] [<ffffffff8007f1df>]
setup_p6_watchdog+0x2f/0x7a
RSP: 0000:ffff81000114be50 EFLAGS: 00000246
RAX: 0000000000130079 RBX: 0000000000000186 RCX: 0000000000000186
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000003e8
RBP: 0000000000090000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8100010353e8
R13: 00000000000000c1 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffffffff803cb000(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000000 CR3: 0000000000201000 CR4: 00000000000006e0
Process swapper (pid: 1, threadinfo ffff81000114a000, task ffff81001fd3e7a0)
Stack: 00000000000003e8 0000000000000000 00000000000000ff ffffffff8007efcf
ffffffff8043e288 ffffffff800795d1 0000000000000800 ffffffff80078e9a
0000000000000800 ffffffff80411712 0000000000090000 0000000000000800
Call Trace:
[<ffffffff8007efcf>] lapic_watchdog_init+0x1b/0x3c
[<ffffffff800795d1>] setup_apic_nmi_watchdog+0x42/0x8a
[<ffffffff80078e9a>] setup_local_APIC+0x17b/0x187
[<ffffffff80411712>] smp_prepare_cpus+0x34a/0x360
[<ffffffff804078c5>] init+0x62/0x2f7
[<ffffffff8005efb1>] child_rip+0xa/0x11
[<ffffffff801824cc>] acpi_ds_init_one_object+0x0/0x80
[<ffffffff80407863>] init+0x0/0x2f7
[<ffffffff8005efa7>] child_rip+0x0/0x11
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