Messages in this thread | | | Date | Sat, 25 Apr 2009 10:16:59 +0200 | From | Pavel Machek <> | Subject | Re: [Patch] Wait for console to become available, ver 3 |
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Hi!
> Parallelization to improve boot times has been successful enough that race > conditions now exist between the init_post() open of /dev/console and > initialization of the console device. When this occurs, opening /dev/console > fails and any applications inherited from init have no standard in/out/error > devices. This is expected behavior if no console device is available, but > quite unfortunate in the case where the console is just a bit slow waking up. > > Some buses, such as USB, offer no guarantees about how long it takes to > discover devices, so there is no reliable way to distinguish between a missing > console and a slow one. The pragmatic approach taken in this patch is to > wait for a while to see if a console shows up, and just go on if it doesn't. > The default delay is 1000 msec (1 second). > > There are two new command line parameters: > consolewait Wait forever for a console to be registered > consoledelay=msec Use the given number of milliseconds as the delay > interval instead of the default
Could you use rootfsdelay for this? Root needs to be mounted for init to run, so...? Pavel
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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