Messages in this thread | | | Date | Wed, 08 May 2013 18:26:56 +0200 | From | Takashi Iwai <> | Subject | Re: [PATCH 0/3] firmware: Fix usermodehelper deadlock at shutdown |
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At Thu, 9 May 2013 00:07:17 +0800, Ming Lei wrote: > > 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.
The timeout check is activated only when uevent flag is set, and dell_rbu driver doesn't set it explicitly (because it's not supposed to be handled via udev or whatever).
Takashi
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