[Ksummit-2012-discuss] [ATTEND] kernel core dump and "dying breath"

H. Peter Anvin hpa at zytor.com
Tue Jun 26 03:47:27 UTC 2012

On 06/25/2012 02:56 PM, Jiri Kosina wrote:
>> That may have been the turning point at which it stopped working, which
>> would explain it. Shame.
> There also was a funny patchset which made the kernel output the panic
> message and stacktrace via morsecode on keyboard LEDs.
> Same problem -- easy on PS/2 keyboards, but scheduling all the work
> necessary for completing URBs is just not possible from inside panic.

Yeah, that's pretty much what it comes down to.  Unless we want to end 
up with an entirely separate HID stack just for that... but then we'd be 
better off dumping to a USB stick.


H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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