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Bug#810769: linux-image-3.16.0-4-586: boot now mostly either hangs or repeats, firewire_ohci on older laptop



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On Tue, 2016-01-12 at 13:41 +1100, Shaddy Baddah wrote:
> Package: src:linux
> Version: 3.16.7-ckt20-1+deb8u2
> Severity: important
> 
> Dear Maintainer,
> 
> After upgrade of linux-image-3.16.0-4-586:i386 from
> 3.16.7-ckt20-1+deb8u1 to 3.16.7-ckt20-1+deb8u2 on my old Fujitsu P
> Series Lifebook, an older Pentium M 1GHz laptop, the kernel boot up
> mostly hangs. Mostly with a cleared screen with no information at all,
> or otherwise with a message something like (hard to capture):
> 
>   firewire_ohci 0000:02:00.0: IRQ 00030010 selfID AR_req busReset
> 
> continually being output to the console with no let-up.
> 
> Obviously from this bug report, you can see that I have managed to boot
> with this kernel image. However, I had to append firmware_ohci.debug to
> the kernel command line to do so. This unexpectedly worked around the
> problem. Maybe it suggests a timing/race condition issue that is reduced
> by having console I/O operations intermingle in the kernel operations.
[...]

We didn't change anything related to firewire in this version, so I
really doubt this is a regression.

Have you tried a full power-cycle of the laptop?

Ben.

-- 
Ben Hutchings
To err is human; to really foul things up requires a computer.

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