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[Xen-users] irq bug

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] irq bug
From: Stefano Pardini <stefanopardini@xxxxxxxxx>
Date: Tue, 15 Nov 2011 10:13:07 +0100
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Hi,
after a few minutes of operation, the dom0 starts to go very
slow.Checking the syslog, I see the following error message.
what do you think?
Thank you!



Setting "irqpoll" on the grub linux line, does not fix the problem!

cat /proc/interrupts
17:     400083          0          0          0  xen-pirq-ioapic-level
 pata_via, HDA Intel, peth0

uname -a
Linux tmpsamba 2.6.32-5-xen-amd64 #1 SMP Mon Oct 3 07:53:54 UTC 2011
x86_64 GNU/Linux

/var/log/syslog
Nov 15 05:41:42 tmpsamba kernel: [ 1224.537309] irq 17: nobody cared
(try booting with the "irqpoll" option)
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538250] Pid: 0, comm: swapper
Not tainted 2.6.32-5-xen-amd64 #1
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538253] Call Trace:
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538253] Call Trace:
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538256]  <IRQ>
[<ffffffff81096cbd>] ? __report_bad_irq+0x30/0x7d
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538270]  [<ffffffff81096e0f>]
? note_interrupt+0x105/0x16e
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538275]  [<ffffffff81097516>]
? handle_level_irq+0x80/0xc3
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538282]  [<ffffffff811f2252>]
? __xen_evtchn_do_upcall+0xe1/0x175
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538287]  [<ffffffff811f28a0>]
? xen_evtchn_do_upcall+0x2e/0x42
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538293]  [<ffffffff81012cfe>]
? xen_do_hypervisor_callback+0x1e/0x30
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538296]  <EOI>
[<ffffffff810093aa>] ? hypercall_page+0x3aa/0x1001
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538304]  [<ffffffff810093aa>]
? hypercall_page+0x3aa/0x1001
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538309]  [<ffffffff8100e6b3>]
? xen_safe_halt+0xc/0x15
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538313]  [<ffffffff8100bfc7>]
? xen_idle+0x37/0x40
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538317]  [<ffffffff81010e97>]
? cpu_idle+0xa2/0xda
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538323]  [<ffffffff81508cdd>]
? start_kernel+0x3dc/0x3e8
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538328]  [<ffffffff8150ac93>]
? xen_start_kernel+0x586/0x58a
Nov 15 05:41:42 tmpsamba kernel: [ 1224.538331] handlers:
Nov 15 05:41:42 tmpsamba kernel: [ 1224.539267] [<ffffffffa008cc7e>]
(ata_sff_interrupt+0x0/0xbf [libata])
Nov 15 05:41:42 tmpsamba kernel: [ 1224.540253] [<ffffffffa01ae35e>]
(azx_interrupt+0x0/0x11d [snd_hda_intel])
Nov 15 05:41:42 tmpsamba kernel: [ 1224.541228] [<ffffffffa00bab5b>]
(rtl8169_interrupt+0x0/0x384 [r8169])
Nov 15 05:41:42 tmpsamba kernel: [ 1224.542223] Disabling IRQ #17

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