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Re: [Xen-devel] BUG: soft lockup - CPU#0 stuck for 61s! [swapper:0]



On Wed, Aug 10, 2011 at 10:59:55PM +0200, Mark Schneider wrote:
> Hello,
> 
> I can't boot HVM with debian squeeze 6.0.2.1 when I use more than
> 4VCPUs in the hvm.cfg file (s. some error messages from the console
> are below)

Mark, what version of Xen are you using? Did you try using 4.1.1?

> 
> I am wondering about the following lines:
> # ---
> #root@xen411dom0:/etc/xen# xm console 7
> [  134.220058] BUG: soft lockup - CPU#0 stuck for 61s! [swapper:0]
> [  134.220058] Modules linked in: uhci_hcd thermal ehci_hcd ata_piix
> xen_netfront libata xen_blkfront floppy usbcore thermal_sys nls_base
> scsi_mod
> [  134.292664] CPU 0:
> [  134.292664] Modules linked in: uhci_hcd thermal ehci_hcd ata_piix
> xen_netfront libata xen_blkfront floppy usbcore thermal_sys nls_base
> scsi_mod
> [  134.319566] Pid: 0, comm: swapper Not tainted 2.6.32-5-amd64 #1 HVM domU
> # ---
> 
> Do I need some patches or special additional setting of my the squeezy HVM?
> 
> Thank you / regards,
> Mark
> 
> -- 
> ms@xxxxxxxxxxxxxxxxxxxxxx
> 
> # ---
> root@xen411dom0:/etc/xen# xm console 7
> [  134.220058] BUG: soft lockup - CPU#0 stuck for 61s! [swapper:0]
> [  134.220058] Modules linked in: uhci_hcd thermal ehci_hcd ata_piix 
> xen_netfront libata xen_blkfront floppy usbcore thermal_sys nls_base scsi_mod
> [  134.292664] CPU 0:
> [  134.292664] Modules linked in: uhci_hcd thermal ehci_hcd ata_piix 
> xen_netfront libata xen_blkfront floppy usbcore thermal_sys nls_base scsi_mod
> [  134.319566] Pid: 0, comm: swapper Not tainted 2.6.32-5-amd64 #1 HVM domU
> [  134.369933] RIP: 0010:[<ffffffff8102c58c>]  [<ffffffff8102c58c>] 
> native_safe_halt+0x2/0x3
> [  134.369933] RSP: 0018:ffffffff8142ded0  EFLAGS: 00000246
> [  134.420796] RAX: ffffffff8142dfd8 RBX: ffffffff814d67d0 RCX: 
> 0000000000000000
> [  134.420796] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 
> 0000000000000001
> [  134.420796] RBP: ffffffff81011dce R08: 0000000000000000 R09: 
> 0000000081528d90
> [  134.470673] R10: 00000000fffede31 R11: 0000000000000001 R12: 
> ffffffff814d4dc0
> [  134.470673] R13: ffffffff8102cdcc R14: ffffffff8102cdcc R15: 
> ffff88020bd80710
> [  134.521042] FS:  00007f6b183817a0(0000) GS:ffff880008c00000(0000) 
> knlGS:0000000000000000
> [  134.521042] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> [  134.521042] CR2: 00007f6b17c6de10 CR3: 000000020c797000 CR4: 
> 00000000000006f0
> [  134.571410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
> 0000000000000000
> [  134.571410] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 
> 0000000000000400
> [  134.571410] Call Trace:
> [  134.571410]  [<ffffffff81017201>] ? default_idle+0x34/0x51
> [  134.571410]  [<ffffffff8101758d>] ? c1e_idle+0xf5/0xfb
> [  134.621779]  [<ffffffff8100feb1>] ? cpu_idle+0xa2/0xda
> [  134.621779]  [<ffffffff814f3140>] ? early_idt_handler+0x0/0x71
> [  134.621779]  [<ffffffff814f3cdd>] ? start_kernel+0x3dc/0x3e8
> [  134.621779]  [<ffffffff814f33b7>] ? x86_64_start_kernel+0xf9/0x106
> udevd[98]: worker [107] unexpectedly returned with status 0x0100
> 
> udevd[98]: worker [107] failed while handling 
> '/devices/pci0000:00/0000:00:01.1'
> 
> udevd[98]: worker [109] unexpectedly returned with status 0x0100
> 
> udevd[98]: worker [109] failed while handling 
> '/devices/pci0000:00/0000:00:01.2'
> 
> 
> udevadm settle - timeout of 180 seconds reached, the event queue contains:
>   /sys/devices/vif-0 (509)
>   /sys/devices/vif-0/net/eth0 (629)
>   /sys/devices/pci0000:00/0000:00:01.1/host0 (636)
>   /sys/devices/pci0000:00/0000:00:01.1/host0/scsi_host/host0 (637)
>   /sys/devices/pci0000:00/0000:00:01.1/host1 (638)
>   /sys/devices/pci0000:00/0000:00:01.1/host1/scsi_host/host1 (639)
> [  199.716053] BUG: soft lockup - CPU#0 stuck for 61s! [swapper:0]
> [  199.716053] Modules linked in: scsi_wait_scan(+) uhci_hcd thermal ehci_hcd 
> ata_piix xen_netfront libata xen_blkfront floppy usbcore thermal_sys nls_base 
> scsi_mod
> [  199.792417] CPU 0:
> [  199.804323] Modules linked in: scsi_wait_scan(+) uhci_hcd thermal ehci_hcd 
> ata_piix xen_netfront libata xen_blkfront floppy usbcore thermal_sys nls_base 
> scsi_mod
> [  199.828661] Pid: 0, comm: swapper Not tainted 2.6.32-5-amd64 #1 HVM domU
> [  199.828661] RIP: 0010:[<ffffffff8102c58c>]  [<ffffffff8102c58c>] 
> native_safe_halt+0x2/0x3
> [  199.828661] RSP: 0018:ffffffff8142ded0  EFLAGS: 00000246
> [  199.828661] RAX: ffffffff8142dfd8 RBX: ffffffff814d67d0 RCX: 
> 0000000000000000
> [  199.828661] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 
> 0000000000000001
> [  199.828661] RBP: ffffffff81011dce R08: 0000000000000000 R09: 
> 0000000081528d90
> [  199.828661] R10: 00000000fffede31 R11: 0000000000000001 R12: 
> ffffffff814d4dc0
> [  199.828661] R13: ffffffff8102cdcc R14: ffffffff8102cdcc R15: 
> ffff88020bd80710
> [  199.828661] FS:  00007f6b183817a0(0000) GS:ffff880008c00000(0000) 
> knlGS:0000000000000000
> [  199.828661] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> [  199.828661] CR2: 00007f6b17c6de10 CR3: 000000020c797000 CR4: 
> 00000000000006f0
> [  199.828661] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
> 0000000000000000
> [  199.828661] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 
> 0000000000000400
> [  199.828661] Call Trace:
> [  199.828661]  [<ffffffff81017201>] ? default_idle+0x34/0x51
> [  199.828661]  [<ffffffff8101758d>] ? c1e_idle+0xf5/0xfb
> [  199.828661]  [<ffffffff8100feb1>] ? cpu_idle+0xa2/0xda
> [  199.828661]  [<ffffffff814f3140>] ? early_idt_handler+0x0/0x71
> [  199.828661]  [<ffffffff814f3cdd>] ? start_kernel+0x3dc/0x3e8
> [  199.828661]  [<ffffffff814f33b7>] ? x86_64_start_kernel+0xf9/0x106
> [  242.368420] INFO: task modprobe:110 blocked for more than 120 seconds.
> [  242.397772] "echo 0>  /proc/sys/kernel/hung_task_timeout_secs" disables 
> this message.
> [  242.433087] modprobe      D ffff88020c750000     0   110      1 0x00000008
> [  242.467191]  ffff88020c750000 0000000000000086 ffff88020bc31eb8 
> ffff88020bc31eb4
> [  242.529192]  0000000000000001 ffffffff8114017a 000000000000f9e0 
> ffff88020bc31fd8
> [  242.580440]  0000000000015780 0000000000015780 ffff88020c7e0710 
> ffff88020c7e0a08
> [  242.643053] Call Trace:
> [  242.655368]  [<ffffffff8114017a>] ? sysfs_addrm_finish+0x1d/0x20a
> [  242.682685]  [<ffffffff812fbab6>] ? mutex_lock+0xd/0x31
> [  242.706564]  [<ffffffff812fbab6>] ? mutex_lock+0xd/0x31
> [  242.730188]  [<ffffffff8106a173>] ? 
> async_synchronize_cookie_domain+0xac/0x106
> [  242.770192]  [<ffffffff81064f1a>] ? autoremove_wake_function+0x0/0x2e
> [  242.801989]  [<ffffffff810689cd>] ? 
> __blocking_notifier_call_chain+0x51/0x5f
> [  242.839526]  [<ffffffff8106a1e9>] ? async_synchronize_full+0x10/0x2c
> [  242.853035]  [<ffffffff8107aa93>] ? sys_init_module+0x18c/0x21a
> [  242.865641]  [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
> [  242.878727] INFO: task modprobe:114 blocked for more than 120 seconds.
> [  242.892536] "echo 0>  /proc/sys/kernel/hung_task_timeout_secs" disables 
> this message.
> [  242.923819] modprobe      D ffff88020c750000     0   114      1 0x00000008
> [  242.950968]  ffff88020c750000 0000000000000086 ffff88020bc7feb8 
> ffff88020bc7feb4
> [  242.980742]  0000000000000001 ffffffff8114017a 000000000000f9e0 
> ffff88020bc7ffd8
> [  243.010580]  0000000000015780 0000000000015780 ffff88020c7e0e20 
> ffff88020c7e1118
> [  243.045486] Call Trace:
> [  243.056195]  [<ffffffff8114017a>] ? sysfs_addrm_finish+0x1d/0x20a
> [  243.079447]  [<ffffffff812fbab6>] ? mutex_lock+0xd/0x31
> [  243.101785]  [<ffffffff812fbab6>] ? mutex_lock+0xd/0x31
> [  243.120773]  [<ffffffff8106a173>] ? 
> async_synchronize_cookie_domain+0xac/0x106
> [  243.144224]  [<ffffffff81064f1a>] ? autoremove_wake_function+0x0/0x2e
> [  243.157902]  [<ffffffff810689cd>] ? 
> __blocking_notifier_call_chain+0x51/0x5f
> [  243.179377]  [<ffffffff8106a1e9>] ? async_synchronize_full+0x10/0x2c
> [  243.199721]  [<ffffffff8107aa93>] ? sys_init_module+0x18c/0x21a
> [  243.220748]  [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
> [  243.243504] INFO: task modprobe:156 blocked for more than 120 seconds.
> [  243.266942] "echo 0>  /proc/sys/kernel/hung_task_timeout_secs" disables 
> this message.
> [  243.292222] modprobe      D 0000000000000000     0   156      1 0x00000000
> [  243.323701]  ffff88020f097100 0000000000000082 0000000000000000 
> ffffffff8105a8dc
> [  243.359538]  0000000000000000 0000000000000292 000000000000f9e0 
> ffff88020bf15fd8
> [  243.378636]  0000000000015780 0000000000015780 ffff88020bed8710 
> ffff88020bed8a08
> [  243.397627] Call Trace:
> [  243.403676]  [<ffffffff8105a8dc>] ? try_to_del_timer_sync+0x63/0x6c
> [  243.416619]  [<ffffffff812fbab6>] ? mutex_lock+0xd/0x31
> [  243.427784]  [<ffffffff812fbab6>] ? mutex_lock+0xd/0x31
> [  243.444511]  [<ffffffff812e7966>] ? klist_next+0x3c/0xa7
> [  243.462728]  [<ffffffff8106a173>] ? 
> async_synchronize_cookie_domain+0xac/0x106
> [  243.488071]  [<ffffffff81064f1a>] ? autoremove_wake_function+0x0/0x2e
> [  243.501905]  [<ffffffff810689cd>] ? 
> __blocking_notifier_call_chain+0x51/0x5f
> [  243.516667]  [<ffffffff8106a1e9>] ? async_synchronize_full+0x10/0x2c
> [  243.529964]  [<ffffffff8107aa93>] ? sys_init_module+0x18c/0x21a
> [  243.542466]  [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
> 
> 
> 
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