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  1. Bug #881688
  2. Comment #13

Comment 13 for bug 881688

Revision history for this message
Ming Lei (tom-leiming) wrote : Re: [Bug 881688] Re: [Latitude XT3] Firewire nonfunctional after suspend

Hi Stefan,

We will do the tests and post the log, thanks.

Marc, could you help to do the tests per Stefan's comment(#12) and post
the debug log? You know I have no way to plug the HDD. remotely?

thanks,
--
Ming Lei

On Sun, Dec 4, 2011 at 7:11 PM, Stefan Richter
<email address hidden> wrote:
> For the failure mode that a disk is not recognized if plugged in _after_
> resume, please provide kernel logs with firewire-ohci IRQ logging
> enabled:
>
> # echo 7 > /sys/module/firewire_ohci/parameters/debug
> (suspend)
> (resume)
> (attach FireWire disk)
> (collect the dmesg)
>
> To be sure, repeat this with additional logging of bus reset events:
>
> # modprobe -r firewire-ohci
> # modprobe firewire-ohci debug=15
> (suspend)
> (resume)
> (attach FireWire disk)
> (collect the dmesg)
>
> Beware, either debug level may possibly cause huge logs.
>
> --