[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] radeon in dom0/ivtv in domU: irq 16 nobody cared
On Apr 9, 2010, at 1:47 AM, Mark Hurenkamp wrote: Hi,Meanwhile i moved to an even more recent xen/stable-2.6.32 (.11) kernel,With a fairly recent (~march 29th) xen/next kernel and a recentxen-4.0.rc9-pre build, i still get occasional 'nobody cared' messages on a IRQ which is shared between dom0 radeon driver, and domU ivtv driver.and a xen-4.0.0 release, the problem still shows.I've attached the requested information, although it was collected after a fresh boot (thus the problem has not occurred yet), with the same xen & kernel as were in useIs there something i can do about this?Yes, Please e-mail your full serial log output, your cat /proc/interrupts, and 'lspci -vvv' output. This is to say, for both Dom0 and DomU.when the problem last exposed itself.Note that during boot, there are a lot of warnings about slowpath and schedule_bug,most of these occur when starting xen-domains. The bug just triggered again, since boot, the following extra info was printed on the serial console: md: md12: resync done. md: resync of RAID array md10 md: minimum _guaranteed_ speed: 1000 KB/sec/disk.md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for resync. md: using 128k window, over a total of 62508800 blocks. RAID1 conf printout: --- wd:2 rd:2 disk 0, wo:0, o:1, dev:sda12 disk 1, wo:0, o:1, dev:sdb12 irq 16: nobody cared (try booting with the "irqpoll" option) Pid: 0, comm: swapper Tainted: G W 2.6.32.11mh18 #10 Call Trace: <IRQ> [<ffffffff810bcdfd>] __report_bad_irq+0x3d/0x8c [<ffffffff810bcf64>] note_interrupt+0x118/0x17c [<ffffffff810bd721>] handle_level_irq+0x8e/0xda [<ffffffff812c2349>] xen_evtchn_do_upcall+0x123/0x1ec [<ffffffff8101406e>] xen_do_hypervisor_callback+0x1e/0x30 <EOI> [<ffffffff810093aa>] ? hypercall_page+0x3aa/0x100b [<ffffffff810093aa>] ? hypercall_page+0x3aa/0x100b [<ffffffff8100eb7c>] ? xen_safe_halt+0x10/0x1a [<ffffffff8100c141>] ? xen_idle+0x51/0x5c [<ffffffff81011d4c>] ? cpu_idle+0xb0/0x107 [<ffffffff8146975b>] ? rest_init+0x7f/0x81 [<ffffffff8198ad71>] ? start_kernel+0x423/0x42e [<ffffffff8198a2c1>] ? x86_64_start_reservations+0xac/0xb0 [<ffffffff8198df0d>] ? xen_start_kernel+0x659/0x660 handlers: [<ffffffffa036649b>] (radeon_driver_irq_handler+0x0/0x141 [radeon]) [<ffffffffa036649b>] (radeon_driver_irq_handler+0x0/0x141 [radeon]) Disabling IRQ #16 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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