Re: KVM Test result, kernel 5ca24d9.., userspace 120e0c8..

Izik Eidus
2007-12-19T09:32:56Z

On Wed, 2007-12-19 at 16:59 +0800, Zhao, Yunfeng wrote:
> Seems the issue is not fully resolved.
> Save/restore on 64bist host may cause guest to kernel panic.
> Here is the snapshot:
> https://sourceforge.net/tracker/download.php?group_id=180599&atid=893831&file_id=259112&aid=1824525
>
> And following error message will be found in dmesg:
>
what happen when you run this same thing with -no-kvm?
(i worry it might be related to the swapping work)
> device sw0 entered promiscuous mode
> Bad page state in process 'qemu-system-x86'
> page:ffff81023f51e1c0 flags:0x0200000000000004 mapping:0000000000000000 mapcount:0 count:-1
> Trying to fix it up, but a reboot is needed
> Backtrace:
> Call Trace:
> [<ffffffff802397db>] recalc_sigpending+0xe/0x25
> [<ffffffff8025a722>] bad_page+0x63/0x8d
> [<ffffffff8025b42f>] get_page_from_freelist+0x2d9/0x47e
> [<ffffffff80312cd6>] nfs_pagein_one+0xb8/0xff
> [<ffffffff803130ed>] nfs_readpages+0x16e/0x17f
> [<ffffffff8025b742>] __alloc_pages+0x61/0x2b5
> [<ffffffff8025cf7f>] __do_page_cache_readahead+0xa1/0x217
> [<ffffffff80559af0>] thread_return+0x0/0xea
> [<ffffffff80545984>] call_transmit+0x201/0x22d
> [<ffffffff8025d148>] blockable_page_cache_readahead+0x53/0xb2
> [<ffffffff8025d229>] make_ahead_window+0x82/0x9e
> [<ffffffff8025d3cf>] page_cache_readahead+0x18a/0x1c1
> [<ffffffff8025792d>] do_generic_mapping_read+0x135/0x406
> [<ffffffff80256f06>] file_read_actor+0x0/0xf1
> [<ffffffff8025939e>] generic_file_aio_read+0x119/0x157
> [<ffffffff8027b670>] do_sync_read+0xc9/0x10c
> [<ffffffff8024255f>] autoremove_wake_function+0x0/0x2e
> [<ffffffff8023aade>] group_send_sig_info+0x62/0x6f
> [<ffffffff80245ac5>] getnstimeofday+0x32/0x8d
> [<ffffffff80244c65>] ktime_get_ts+0x1a/0x4e
> [<ffffffff8027bde2>] vfs_read+0xaa/0x132
>
> [<ffffffff8027c265>] sys_pread64+0x50/0x70
>
> [<ffffffff8020935e>] system_call+0x7e/0x83
>
>
>
> apic write: bad size=1 fee00030
>
> Ignoring de-assert INIT to vcpu 0
>
> tap0: no IPv6 routers present
>
> sw0: port 2(tap0) entering disabled state
>
> device tap0 left promiscuous mode
>
> sw0: port 2(tap0) entering disabled state
>
> device sw0 left promiscuous mode
>
> device tap0 entered promiscuous mode
>
> sw0: port 2(tap0) entering learning state
>
> sw0: topology change detected, propagating
>
> sw0: port 2(tap0) entering forwarding state
>
> apic write: bad size=1 fee00030
>
> Ignoring de-assert INIT to vcpu 0
>
> device sw0 entered promiscuous mode
>
> tap0: no IPv6 routers present
>
> sw0: port 2(tap0) entering disabled state
>
> device tap0 left promiscuous mode
>
> sw0: port 2(tap0) entering disabled state
>
> device sw0 left promiscuous mode
>
> device tap0 entered promiscuous mode
>
> sw0: port 2(tap0) entering learning state
>
> sw0: topology change detected, propagating
>
> sw0: port 2(tap0) entering forwarding state
>
> apic write: bad size=1 fee00030
>
> Ignoring de-assert INIT to vcpu 0
>
> tap0: no IPv6 routers present
>
> sw0: port 2(tap0) entering disabled state
>
> device tap0 left promiscuous mode
>
> sw0: port 2(tap0) entering disabled state
>
> device tap0 entered promiscuous mode
>
> sw0: port 2(tap0) entering learning state
>
> sw0: topology change detected, propagating
>
> sw0: port 2(tap0) entering forwarding state
>
> apic write: bad size=1 fee00030
>
> Ignoring de-assert INIT to vcpu 0
>
> tap0: no IPv6 routers present
>
> >-----Original Message-----
> >From: Avi Kivity [mailto:avi@qumranet.com]
> >Sent: 2007年12月19日 14:30
> >To: Zhao, Yunfeng
> >Cc: kvm-devel
> >Subject: Re: [kvm-devel] KVM Test result, kernel 5ca24d9.., userspace 120e0c8..
> >
> >Zhao, Yunfeng wrote:
> >> Retested it on KVM-57.
> >> It has been fixed already.
> >>
> >
> >Actually, the fix is post kvm-57. What kvm-userspace.git commit did you
> >test?
> >
> >--
> >error compiling committee.c: too many arguments to function
>
>
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