Date: Fri, 31 Jul 2009 10:05:01 -0700 From: Sam Leffler <sam@errno.com> To: Ed Schouten <ed@80386.nl> Cc: Olivier SMEDTS <olivier@gid0.org>, freebsd-current@freebsd.org Subject: Re: Disable root mount waiting for USB Message-ID: <4A73243D.3050506@errno.com> In-Reply-To: <20090731135805.GM1292@hoeg.nl> References: <367b2c980907270358g45a2497dh64c2734721c44fca@mail.gmail.com> <20090731111738.GK1292@hoeg.nl> <4A72F544.2070103@haruhiism.net> <20090731135805.GM1292@hoeg.nl>
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Ed Schouten wrote: > * Kamigishi Rei <spambox@haruhiism.net> wrote: >> Ed Schouten wrote: >>>> Is there a way (loader tunable or kernel config) to disable the root >>>> mount waiting for USB buses and devices and make it behave just like >>>> in the first days of the new USB stack ? >>> Why can't we just wait until the device node that should be mounted is >>> available? >> We're talking about this USB delay which appears almost always >> during the initialization of the USB stack. >> >> Jul 19 07:21:34 ameagari kernel: Root mount waiting for: usbus7 usbus3 >> Jul 19 07:21:34 ameagari kernel: Trying to mount root from ufs:/dev/ad10s1a >> >> In this case, the delay is insignificant, however with some systems >> this can take up to 10 seconds. >> And we don't even need to wait for USB bus because the root >> filesystem is on an ATA hard disk. > > So that's why I'm saying: why can't we just wait until the device node > that should be mounted is available? > Talk to Scott Long how to correctly fix this issue. Andrew Thompson tried but his attempt was backed out as incorrect. So far as I know noone has stepped up to address the real problem here. Sam
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