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xen-users
RE: [Xen-users] Xen servers not responsive
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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