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SubjectRe: [PATCH 0/3] firmware: Fix usermodehelper deadlock at shutdown
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Hi Takashi,

Sorry for not CC list.

On Wed, May 8, 2013 at 2:56 PM, Takashi Iwai <tiwai@suse.de> wrote:
> Hi,
>
> this is a series of patches for the issue we faced in the firmware
> loader code during debugging the problem with dell_rbu driver with
> 3.9 kernel.
>
> The original problem was that the shutdown gets stuck when DELL BIOS
> update is performed. This turned out to be a problem in the firmware
> loader. Although the reason of dell_rbu driver breakage is still

Sorry, from these patchset, I can't see why it is a problem in firmware.

> unclear, we should fix the firmware loader side, at least, not to
> stall during shutdown.

Firstly you need to describe what/why is the stall? In fact, firmware
loading can't stall forever and it will timeout, but the current 60sec
timeout might be too long.

Thanks,
--
Ming Lei


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