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SubjectRe: qstor driver -> irq 193: nobody cared
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Date
The saga continues. It happened again this morning even with the
patch:

irq 193: nobody cared (try booting with the "irqpoll" option)
<c013e19a> __report_bad_irq+0x2a/0xa0 <c013d970> handle_IRQ_event
+0x30/0x70
<c013e2b0> note_interrupt+0x80/0xf0 <c013da8c> __do_IRQ+0xdc/0xf0
<c0105799> do_IRQ+0x19/0x30 <c010391a> common_interrupt+0x1a/0x20
<c0100d91> default_idle+0x41/0x70 <c0100e60> cpu_idle+0x80/0x90
<c046699d> start_kernel+0x18d/0x1d0 <c0466330> unknown_bootoption
+0x0/0x1d0
handlers:
[<c0301300>] (qs_intr+0x0/0x240)
Disabling IRQ #193
ata4: command 0xea timeout, stat 0xff host_stat 0x0
ata1: command 0xea timeout, stat 0xff host_stat 0x0

[...]

The drives on this controller went offline.

This is my interrupts table:

cat /proc/interrupts
CPU0 CPU1
0: 48405419 48520371 IO-APIC-edge timer
1: 60 146 IO-APIC-edge i8042
2: 0 0 XT-PIC cascade
8: 1 3 IO-APIC-edge rtc
10: 13 13 IO-APIC-level ohci_hcd:usb1
14: 228219 237351 IO-APIC-edge ide0
15: 3 9 IO-APIC-edge ide1
145: 0 0 IO-APIC-level ivtv0
153: 2272523 2393822 IO-APIC-level ide2, ide3, ide4, ide5
161: 5416 23455 IO-APIC-level ide8, ide9
169: 7148 22129 IO-APIC-level ide6, ide7
185: 3680365 86 IO-APIC-level eth0
193: 337154 162846 IO-APIC-level libata
NMI: 0 0
LOC: 96924026 96924027
ERR: 0
MIS: 0

lspci -v shows this for the controller. No other device (at least
pci device) is using IRQ 193.


0000:01:03.0 0106: Pacific Digital Corp: Unknown device 2068 (rev 01)
Subsystem: Pacific Digital Corp: Unknown device 2068
Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 193
I/O ports at eff0 [size=8]
I/O ports at efe0 [size=8]
I/O ports at efa8 [size=8]
I/O ports at efa0 [size=8]
Memory at febf0000 (64-bit, non-prefetchable) [size=64K]
Expansion ROM at febe0000 [disabled] [size=64K]
Capabilities: <available only to root>


Any other ideas I can try to look for? Is there any other type
of device that may be using the IRQ but not listed with the above
commands?

Thanks,

Alberto


On Sat, 2006-11-04 at 13:39 -0500, Mark Lord wrote:
> Alberto Alonso wrote:
> > I have a Pacific Digital qstor card on irq 193. I am using kernel
> > 2.6.17.13 SMP
> >
> > The error happens every now and then. I have not been able to
> > figure out any triggers and I can not reproduce it on demand. Today
> > it happened 3 times within a 40 minutes period.
> >
> > All disks connected to the card are disabled and I can't do anything
> > other than a reboot to get them back.
> >
> > It is reported as follows:
> >
> > irq 193: nobody cared (try booting with the "irqpoll" option)
> > <c013e19a> __report_bad_irq+0x2a/0xa0 <c013d970> handle_IRQ_event
> > +0x30/0x70
> > <c013e2b0> note_interrupt+0x80/0xf0 <c013da8c> __do_IRQ+0xdc/0xf0
> > <c0105799> do_IRQ+0x19/0x30 <c010391a> common_interrupt+0x1a/0x20
> > <c0100d91> default_idle+0x41/0x70 <c0100e60> cpu_idle+0x80/0x90
> > <c046699d> start_kernel+0x18d/0x1d0 <c0466330> unknown_bootoption
> > +0x0/0x1d0
> > handlers:
> > [<c0301300>] (qs_intr+0x0/0x220)
> > Disabling IRQ #193
>
> What other devices are routed to that same interrupt line?
>
> The sata_qstor driver is very rigorous in acknowledging *only* it's own
> interrupts, to prevent other devices sharing the same IRQ from losing theirs.
>
> Mmm.. We could apply a bit of fuzzy tolerance for the odd glitch.
> Try this patch (attached) and report back.
>
> Thanks.
>
>
--
Alberto Alonso Global Gate Systems LLC.
(512) 351-7233 http://www.ggsys.net
Hardware, consulting, sysadmin, monitoring and remote backups

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