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xen-users
Re: [Xen-users] Xen servers not responsive
I had the same problem on a previous
server. I ultimately replaced the CPU and I think that solved the
problem.
Jon
Formoso, Travis wrote:
Here is what I am seeing in the log files. When the kernel hung and the following error message was displayed on the domain's console every 5 seconds.
=======================
BUG: soft lockup detected on CPU#0!
[<c1044e8b>] softlockup_tick+0xaa/0xc1
[<c10087af>] timer_interrupt+0x552/0x59f
[<c1029612>] lock_timer_base+0x15/0x2f
[<c121564f>] _spin_unlock_irqrestore+0x8/0x16
[<c102971e>] __mod_timer+0x94/0x9e
[<c121564f>] _spin_unlock_irqrestore+0x8/0x16
[<c121564f>] _spin_unlock_irqrestore+0x8/0x16
[<c121564f>] _spin_unlock_irqrestore+0x8/0x16
[<c1045101>] handle_IRQ_event+0x1e/0x47
[<c1046464>] handle_level_irq+0x93/0xdf
[<c10463d1>] handle_level_irq+0x0/0xdf
[<c10068d4>] do_IRQ+0xb5/0xdd
[<c1215c95>] do_general_protection+0x11c/0x16f
[<c114a90d>] evtchn_do_upcall+0x5f/0x97
[<c1005006>] hypervisor_callback+0x46/0x50
=======================
BUG: soft lockup detected on CPU#0!
[<c1044e8b>] softlockup_tick+0xaa/0xc1
[<c10087af>] timer_interrupt+0x552/0x59f
[<c1029612>] lock_timer_base+0x15/0x2f
[<c121564f>] _spin_unlock_irqrestore+0x8/0x16
[<c102971e>] __mod_timer+0x94/0x9e
[<c121564f>] _spin_unlock_irqrestore+0x8/0x16
[<c121564f>] _spin_unlock_irqrestore+0x8/0x16
[<c121564f>] _spin_unlock_irqrestore+0x8/0x16
[<c1045101>] handle_IRQ_event+0x1e/0x47
[<c1046464>] handle_level_irq+0x93/0xdf
[<c10463d1>] handle_level_irq+0x0/0xdf
[<c10068d4>] do_IRQ+0xb5/0xdd
[<c114a90d>] evtchn_do_upcall+0x5f/0x97
[<c100626f>] do_iret_error+0x0/0xb1
[<c1005006>] hypervisor_callback+0x46/0x50
[<c100626f>] do_iret_error+0x0/0xb1
[<c100628d>] do_iret_error+0x1e/0xb1
[<c1004ea5>] restore_nocheck_notrace+0xe/0xf
[<c1006778>] do_softirq+0x1f/0xc6
[<c1006778>] do_softirq+0x1f/0xc6
[<c1006778>] do_softirq+0x1f/0xc6
[<c1004ea5>] restore_nocheck_notrace+0xe/0xf
[<c103080b>] search_exception_tables+0x14/0x25
[<c1017f9f>] fixup_exception+0xb/0x20
[<c1215c95>] do_general_protection+0x11c/0x16f
[<c114a90d>] evtchn_do_upcall+0x5f/0x97
[<c1005006>] hypervisor_callback+0x46/0x50
[<c1215b79>] do_general_protection+0x0/0x16f
[<c100626f>] do_iret_error+0x0/0xb1
[<c121577d>] error_code+0x35/0x3c
=======================
-----Original Message-----
From: Formoso, Travis
Sent: Monday, April 16, 2007 10:55 AM
To: xen-users
Subject: [Xen-users] Xen servers not responsive
Hello,
Currently am using 2.6.19-1.2911.6.5.fc6xen version of the kernel because the newest version was giving us problems. However with this one we are running these domains:
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 2307 2 r----- 4520.9
mars 10 1511 1 -b---- 174.0
monitoring 14 229 1 -b---- 12.1
The problem we are experiencing is after about an hour the servers do not respond. We have to do an xm destroy and then create to get them to work again. Is this a known issue and what could be possible fixes for the problem?
Thank you,
Travis
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