From: Izik Eidus <izike@qumranet.com>
To: "Zhao, Yunfeng" <yunfeng.zhao@intel.com>
Cc: kvm-devel <kvm-devel@lists.sourceforge.net>
Subject: Re: KVM Testing Result for KVM-61
Date: Wed, 20 Feb 2008 15:05:30 +0200 [thread overview]
Message-ID: <1203512730.3446.12.camel@localhost.localdomain> (raw)
In-Reply-To: <10EA09EFD8728347A513008B6B0DA77A02CC4850@pdsmsx411.ccr.corp.intel.com>
On Wed, 2008-02-20 at 20:58 +0800, Zhao, Yunfeng wrote:
> >> Five old issues:
> >> 1. Fails to save/restore guests
> >> Save/restore may cause host to hang.
> >> https://sourceforge.net/tracker/index.php?funcÞtail&aid\x1824525&group_
> >> id\x180599&atid‰3831
> >
> >savevm loadvm does not work, but it doesnt crush my host
> >what you see in the dmesg? (the bug with the bad page was fixed no?)
> Here is the error message in the dmesg and host console:
is it happen on every guest?
you are using qcow right?
> Bad page state in process 'qemu-system-x86'
> page:ffff81023f4a19d0 flags:0x0200000000000004 mapping:0000000000000000
> mapcount:0 count:-1
> Trying to fix it up, but a reboot is needed
> Backtrace:
>
> Call Trace:
> [<ffffffff8025a722>] bad_page+0x63/0x8d
> [<ffffffff8025b42f>] get_page_from_freelist+0x2d9/0x47e
> [<ffffffff8055a664>] mutex_lock+0xd/0x1e
> [<ffffffff8025b742>] __alloc_pages+0x61/0x2b5
> [<ffffffff802637f1>] __handle_mm_fault+0x4c1/0x9dc
> [<ffffffff802625fc>] follow_page+0x15a/0x24b
> [<ffffffff80263fbb>] get_user_pages+0x2af/0x39c
> [<ffffffff88010c8b>] :kvm:gfn_to_page+0x67/0xa0
> [<ffffffff880182a5>] :kvm:paging64_page_fault+0xd8/0x3a0
> [<ffffffff80502cc2>] tcp_v4_do_rcv+0x30/0x34d
> [<ffffffff88017183>] :kvm:kvm_mmu_page_fault+0x19/0x80
> [<ffffffff88014ec7>] :kvm:kvm_arch_vcpu_ioctl_run+0x3a5/0x4fb
> [<ffffffff880114e6>] :kvm:kvm_vcpu_ioctl+0xda/0x2dd
> [<ffffffff802426dc>] remove_wait_queue+0x12/0x45
> [<ffffffff803f397d>] tun_chr_aio_read+0x2aa/0x2bc
> [<ffffffff802872aa>] core_sys_select+0x1f8/0x264
> [<ffffffff80245ac5>] getnstimeofday+0x32/0x8d
> [<ffffffff80244c65>] ktime_get_ts+0x1a/0x4e
> [<ffffffff8024452a>] enqueue_hrtimer+0x64/0x6b
> [<ffffffff80244a78>] hrtimer_start+0xf2/0x104
> [<ffffffff80286063>] do_ioctl+0x2b/0xb6
> [<ffffffff80286331>] vfs_ioctl+0x243/0x25c
> [<ffffffff80286386>] sys_ioctl+0x3c/0x5e
> [<ffffffff8020935e>] system_call+0x7e/0x83
>
>
> essage from syslogd@vt-dp8 at Tue Feb 19 09:52:24 2008 ...
> vt-dp8 kernel: Bad page state in process 'qemu-system-x86'
>
> Message from syslogd@vt-dp8 at Tue Feb 19 09:52:24 2008 ...
> vt-dp8 kernel: page:ffff81023ee1e8f8 flags:0x020000000000087c
> mapping:ffff810205 dc98a8
> mapcount:0 count:2
>
> Message from syslogd@vt-dp8 at Tue Feb 19 09:52:24 2008 ...
> vt-dp8 kernel: Trying to fix it up, but a reboot is needed
>
> Message from syslogd@vt-dp8 at Tue Feb 19 09:52:24 2008 ...
> vt-dp8 kernel: Backtrace:
>
> Message from syslogd@vt-dp8 at Tue Feb 19 09:52:24 2008 ...
> vt-dp8 kernel: Bad page state in process 'qemu-system-x86'
>
> Message from syslogd@vt-dp8 at Tue Feb 19 09:52:24 2008 ...
> vt-dp8 kernel: page:ffff81023f3387f8 flags:0x0200000000000068
> mapping:ffff810213 3316a8
> mapcount:0 count:1
>
> Message from syslogd@vt-dp8 at Tue Feb 19 09:52:24 2008 ...
> vt-dp8 kernel: Trying to fix it up, but a reboot is needed
>
> Message from syslogd@vt-dp8 at Tue Feb 19 09:52:24 2008 ...
> vt-dp8 kernel: Backtrace:
>
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next prev parent reply other threads:[~2008-02-20 13:05 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-20 7:09 KVM Testing Result for KVM-61 Zhao, Yunfeng
2008-02-20 9:41 ` Izik Eidus
2008-02-20 10:29 ` Dor Laor
2008-02-20 10:38 ` Izik Eidus
2008-02-20 12:58 ` Zhao, Yunfeng
2008-02-20 13:05 ` Izik Eidus [this message]
2008-02-20 13:12 ` Zhao, Yunfeng
2008-02-20 14:04 ` Izik Eidus
2008-02-21 5:58 ` Zhao, Yunfeng
2008-02-21 10:20 ` Izik Eidus
[not found] ` <10EA09EFD8728347A513008B6B0DA77A02126149@pdsmsx411.ccr.corp.intel.com>
2008-02-21 7:00 ` Zhao, Yunfeng
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