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On Friday 18 April 2014 12:02:01 Thomas Mueller wrote: |
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> Is there a way to make Gentoo or other Linux allow extra time when root is |
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> on a USB device? Any way to say "just a second" or more like 15 seconds |
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> before aborting with the message that root partition does not exist? |
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> |
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> In this case it's an IDE hard drive in a USB enclosure. |
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> |
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> FreeBSD seems to handle this situation better. I would get a |
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> mountroot> |
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> prompt, to which I would respond |
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> ufs:/dev/ada0p3 |
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> and be good. |
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> |
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> I could avoid this situation with /boot/loader.conf |
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> |
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> legal.realtek.license_ack=1 |
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> rsu-rtl8712fw_load="YES" |
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> kern.cam.scsi_delay="13000" # Delay (in ms) before probing SCSI |
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> kern.cam.boot_delay="16000" # Delay (in ms) of root mount for CAM bus |
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> hint.re.0.disabled="1" |
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> |
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> but don't know if Linux has anything like this. |
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> |
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> Only lines 3 and 4 are relevant to this issue; other lines are for different |
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> issues. |
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> |
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> Tom |
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Try adding " rootdelay = 15 " to the kernel commandline. |
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This should make the kernel wait 15 seconds before trying to access the root- |
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device. |
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|
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See: |
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http://www.linuxtopia.org/online_books/linux_kernel/kernel_configuration/re58.html |
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I used this myself in the past when booting from USB-devices. |
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Kind regards, |
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|
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Joost |
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