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&aid24525&group_ > >> id0599&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 [EMAIL PROTECTED] at Tue Feb 19 09:52:24 2008 ... > vt-dp8 kernel: Bad page state in process 'qemu-system-x86' > > Message from [EMAIL PROTECTED] at Tue Feb 19 09:52:24 2008 ... > vt-dp8 kernel: page:ffff81023ee1e8f8 flags:0x020000000000087c > mapping:ffff810205 dc98a8 > mapcount:0 count:2 > > Message from [EMAIL PROTECTED] at Tue Feb 19 09:52:24 2008 ... > vt-dp8 kernel: Trying to fix it up, but a reboot is needed > > Message from [EMAIL PROTECTED] at Tue Feb 19 09:52:24 2008 ... > vt-dp8 kernel: Backtrace: > > Message from [EMAIL PROTECTED] at Tue Feb 19 09:52:24 2008 ... > vt-dp8 kernel: Bad page state in process 'qemu-system-x86' > > Message from [EMAIL PROTECTED] at Tue Feb 19 09:52:24 2008 ... > vt-dp8 kernel: page:ffff81023f3387f8 flags:0x0200000000000068 > mapping:ffff810213 3316a8 > mapcount:0 count:1 > > Message from [EMAIL PROTECTED] at Tue Feb 19 09:52:24 2008 ... > vt-dp8 kernel: Trying to fix it up, but a reboot is needed > > Message from [EMAIL PROTECTED] at Tue Feb 19 09:52:24 2008 ... > vt-dp8 kernel: Backtrace: > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
