On Mon, Apr 07, 2008 at 01:53:36PM +0200, Nikola Ciprich wrote: > Hi, > > I also tried paravirt clock again in latest git with kvm-65 patch > applied, and problem with cpu-lockups persists: > > [10813.654806] BUG: soft lockup - CPU#0 stuck for 61s! [swapper:0] > [10813.655789] CPU 0: > [10813.656624] Modules linked in: virtio_pci virtio_ring virtio_blk virtio > piix dm_snapshot dm_zero dm_mirror dm_mod ide_disk > ide_core sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd > [10813.658805] Pid: 0, comm: swapper Not tainted 2.6.25-rc7 #5 > [10813.658805] RIP: 0010:[<ffffffff80222ab2>] [<ffffffff80222ab2>] > native_safe_halt+0x2/0x10 > [10813.658805] RSP: 0018:ffffffff805adf50 EFLAGS: 00000296 > [10813.658805] RAX: 000000019b08eeb0 RBX: ffffffff805f5000 RCX: > 000000019b08eeb0 > [10813.658805] RDX: 0000000000000006 RSI: 00000000356832b0 RDI: > ffffffff805adf38 > [10813.658805] RBP: 0000000000000da8 R08: 0000000000000000 R09: > 0000000000000000 > [10813.658805] R10: 0000000000000001 R11: 0000000000000002 R12: > ffffffff802228ed > [10813.658805] R13: 00000000000132a0 R14: ffffffff80200bba R15: > ffff81000100a280 > [10813.658805] FS: 0000000000000000(0000) GS:ffffffff80576000(0000) > knlGS:0000000000000000 > [10813.658805] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b > [10813.658805] CR2: 00007fac0f852000 CR3: 0000000000201000 CR4: > 00000000000006e0 > [10813.658805] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [10813.658805] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [10813.658805] > [10813.658805] Call Trace: > [10813.658805] [<ffffffff8020a55b>] ? default_idle+0x3b/0x70 > [10813.658805] [<ffffffff8020a520>] ? default_idle+0x0/0x70 > [10813.658805] [<ffffffff8020a60e>] ? cpu_idle+0x7e/0xe0 > [10813.658805] [<ffffffff80211630>] ? pda_init+0x30/0xb0 > > Can I somehow help to track this one down??
Hi Nikola, I just reproduced this on a UP guest. Were you seeing the exact same stack trace in the guest with kvm-64 ? > > Additionaly, I'd like to ask two questions: > 1) why is kvm-65 patch changing release to -rc7? maybe this is > unintended?? > > 2) I'm getting lot's of following messages on host, what do they mean? > [16836.605669] Ignoring de-assert INIT to vcpu SOMENUMBER > [16836.605687] SIPI to vcpu SOMENUMBER vector 0xSOMENUMBER > > BR > nik > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by the 2008 JavaOne(SM) Conference > Register now and save $200. Hurry, offer ends at 11:59 p.m., > Monday, April 7! Use priority code J8TLD2. > http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone > _______________________________________________ > kvm-devel mailing list > kvm-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/kvm-devel ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Register now and save $200. Hurry, offer ends at 11:59 p.m., Monday, April 7! Use priority code J8TLD2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
