has anybody solved this problem, i have encountered it yet
在2009-09-27，"Baho Utot" <baho-u...@columbus.rr.com> 写道： >Ken Moffat wrote: >> 2009/9/26 J.P.Kaper <spaky...@xs4all.nl>: >> >>> Maybe somebody else can find the right suggestion to let me solve my >>> problem. >>> >>> Hans Kaper. >>> >> >> One of the problems with usb drives is that they can >> take a long time to appear. I've never tried to boot >> from usb, but ISTR that there is a command-line argument >> to wait for the drive. >> >> A quick look in the kernel's >> Documentation/kernel-parameters.txt (you can read >> it from the tarball in 'view' if you don't have the kernel >> source tree handy) suggests boot_delay= might be >> what I'm thinking of. >> >> Perhaps try boot_delay=15 which should be a >> ridiculously long wait. If it works like that, cut it >> down until you've reduced it too far, then back off >> a bit. >> >> I expect you've already seen the following >> guides, but just in case: >> >> http://www.damnsmalllinux.org/wiki/index.php/USB_Booting >> and >> http://wiki.debian.org/BootUsb >> >> ĸen >> > >I think you may be looking for rootdelay=<seconds> > >from Documentation/kernel-parameters.txt > >rootdelay= [KNL] Delay (in seconds) to pause before attempting to > mount the root filesystem > >Others to try: > >boot_delay= Milliseconds to delay each printk during boot. > Values larger than 10 seconds (10000) are changed to > no delay (0). > Format: integer > >usb-storage.delay_use= > [UMS] The delay in seconds before a new device is > scanned for Logical Units (default 5). > >-- >http://linuxfromscratch.org/mailman/listinfo/lfs-support >FAQ: http://www.linuxfromscratch.org/lfs/faq.html >Unsubscribe: See the above information page
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