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).
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