[CentOS] usb irq problem

partha chowdhury kira.laucas at gmail.com
Tue Sep 23 04:19:22 UTC 2008


On Tue, 2008-09-23 at 00:27 +0530, partha chowdhury wrote:
> On Mon, 2008-09-22 at 11:43 +0300, Pasi Kärkkäinen wrote:
> > I'm seeing this same problem on IBM HS21-8853 blades.
> > 
> > It _seems_ like a bug in IRQ routing in BIOS/motherboard.. ACPI issue? 
> > 
> > With IBM blades I'm able to fix the problem by generating the initrd image
> > with "--without-usb" switch.. this delays the USB module initialization/loading,
> > somehow fixing the problem.. giving different IRQ to USB controller.
> > 
> > -- Pasi
> > _______________________________________________
> 
> i just tried your fix and it solved the problem. now the usb drive does
> not disappear any more. Thank you 

well I spoke too soon .Now the error message i am getting :

Sep 23 00:37:46 station2 kernel:  [<c044e6fa>] __report_bad_irq
+0x2b/0x69
Sep 23 00:37:46 station2 kernel:  [<c044e8e7>] note_interrupt
+0x1af/0x1e8
Sep 23 00:37:46 station2 kernel:  [<c057afb4>] usb_hcd_irq+0x23/0x50
Sep 23 00:37:46 station2 kernel:  [<c044df27>] handle_IRQ_event
+0x23/0x49
Sep 23 00:37:46 station2 kernel:  [<c044dfe8>] __do_IRQ+0x9b/0xd6
Sep 23 00:37:46 station2 kernel:  [<c04073f4>] do_IRQ+0x93/0xae
Sep 23 00:37:46 station2 kernel:  [<c040592e>] common_interrupt
+0x1a/0x20
Sep 23 00:37:46 station2 kernel:  [<c0403b98>] default_idle+0x0/0x59
Sep 23 00:37:46 station2 kernel:  [<c0403bc9>] default_idle+0x31/0x59
Sep 23 00:37:46 station2 kernel:  [<c0403c90>] cpu_idle+0x9f/0xb9
Sep 23 00:37:46 station2 kernel:  [<c06ed9ee>] start_kernel+0x379/0x380
Sep 23 00:37:46 station2 kernel:  =======================
Sep 23 00:37:46 station2 kernel: handlers:
Sep 23 00:37:46 station2 kernel: [<c057af91>] (usb_hcd_irq+0x0/0x50)
Sep 23 00:37:46 station2 kernel: Disabling IRQ #58

and the same thing happens i.e i am unable to remount the usb drive.

can someone tell me if its a centos/rhel bug and if it is how and where
i should file a bug report ?



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