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* uhci_hcd kernel panic in 2.5.67
@ 2003-04-16 20:14 Bartlomiej Czardybon
  0 siblings, 0 replies; 3+ messages in thread
From: Bartlomiej Czardybon @ 2003-04-16 20:14 UTC (permalink / raw)
  To: linux-kernel

Hi

I find uhci_hcd module behaving very strangely on my system (Fujitsu Siemens
Lifebook S-4546).

When I do (rmmod uhci_hcd ; modprobe uhci_hcd) I _always_ get kernel panic.
Call Trace is different from panic to panic but it always ends in
do_IRQ -> do_softirq.

dmesg | grep uhci - from my system:
--
drivers/usb/host/uhci-hcd.c: USB Universal Host Controller Interface driver v2.0
uhci-hcd 00:07.2: Intel Corp. 82440MX USB Universa
uhci-hcd 00:07.2: irq 15, io base 00001ca0
uhci-hcd 00:07.2: new USB bus registered, assigned bus number 1
--

Additionaly sometimes the kernel hangs on boot while loading uhci_hcd module.

Exactly the same effects I've been experiencing in 2.5.66.

In default RedHat8 kernel (2.4.21 with patches) everything seems to be ok.

Best regards,
--
Bart

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: uhci_hcd kernel panic in 2.5.67
  2003-04-16 20:16 Bartlomiej Czardybon
@ 2003-04-17  4:03 ` Greg KH
  0 siblings, 0 replies; 3+ messages in thread
From: Greg KH @ 2003-04-17  4:03 UTC (permalink / raw)
  To: Bartlomiej Czardybon; +Cc: linux-kernel

On Wed, Apr 16, 2003 at 10:16:12PM +0200, Bartlomiej Czardybon wrote:
> Hi
> 
> I find uhci_hcd module behaving very strangely on my system (Fujitsu Siemens
> Lifebook S-4546).
> 
> When I do (rmmod uhci_hcd ; modprobe uhci_hcd) I _always_ get kernel panic.

Known bug.  See the work-around patch in the latest -mm tree, or wait an
hour or so to send the fixes to Linus and the linux-usb-devel list for
this problem.

thanks,

greg k-h

^ permalink raw reply	[flat|nested] 3+ messages in thread

* uhci_hcd kernel panic in 2.5.67
@ 2003-04-16 20:16 Bartlomiej Czardybon
  2003-04-17  4:03 ` Greg KH
  0 siblings, 1 reply; 3+ messages in thread
From: Bartlomiej Czardybon @ 2003-04-16 20:16 UTC (permalink / raw)
  To: linux-kernel

Hi

I find uhci_hcd module behaving very strangely on my system (Fujitsu Siemens
Lifebook S-4546).

When I do (rmmod uhci_hcd ; modprobe uhci_hcd) I _always_ get kernel panic.
Call Trace is different from panic to panic but it always ends in
do_IRQ -> do_softirq.

dmesg | grep uhci - from my system:
--
drivers/usb/host/uhci-hcd.c: USB Universal Host Controller Interface driver v2.0
uhci-hcd 00:07.2: Intel Corp. 82440MX USB Universa
uhci-hcd 00:07.2: irq 15, io base 00001ca0
uhci-hcd 00:07.2: new USB bus registered, assigned bus number 1
--

Additionaly sometimes the kernel hangs on boot while loading uhci_hcd module.

Exactly the same effects I've been experiencing in 2.5.66.

In default RedHat8 kernel (2.4.21 with patches) everything seems to be ok.

Best regards,
--
Bart

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2003-04-17  3:49 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2003-04-16 20:14 uhci_hcd kernel panic in 2.5.67 Bartlomiej Czardybon
2003-04-16 20:16 Bartlomiej Czardybon
2003-04-17  4:03 ` Greg KH

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