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#1 2008-10-14 16:00:29

Barrucadu
Member
From: York, England
Registered: 2008-03-30
Posts: 1,158
Website

The dreaded "Failed to parse block device name"...

I get the dreaded

ERROR: Failed to parse block device name for '/dev/sda3' unknown

after upgrading to 2.6.27, and have to boot with the fallback kernel. I've tried a few solutions for problems that have cropped up in the past through searching these forums, but I haven't been able to fix my problem.

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#2 2008-10-14 16:25:12

fwojciec
Member
Registered: 2007-05-20
Posts: 1,411

Re: The dreaded "Failed to parse block device name"...

Have you tried regenerating kernel boot images with "mkinitcpio -p kernel26"?

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#3 2008-10-14 16:27:15

Barrucadu
Member
From: York, England
Registered: 2008-03-30
Posts: 1,158
Website

Re: The dreaded "Failed to parse block device name"...

Yes, I edited /etc/mkinitcpio.conf back to normal (I was using a trimmed down version) and rebuilt the images, but the same problem - kernel26 doesn't boot, but kernel26-fallback does.

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#4 2008-10-14 16:33:47

fwojciec
Member
Registered: 2007-05-20
Posts: 1,411

Re: The dreaded "Failed to parse block device name"...

If the fallback image is booting and the regular image is not then at least you know that the regular image must be missing some essential module...  Try adding specific filesystem modules (i.e. reiserfs, ext3, etc.) in the "MODULES=" array of mkinitcpio.conf, or any modules that might be required to boot (you can use hwdetect --show-modules to find out which ones are needed).

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#5 2008-10-14 17:05:29

SaThaRiel
Member
Registered: 2008-09-24
Posts: 19

Re: The dreaded "Failed to parse block device name"...

Not sure if this will help but i had a similar problem today. After fiddling around a bit with the mkinitcpio.conf i throw out autodetect and keyboard. Especially autodetect seems to cause the boot problem.
Rebuilding the kernel26.img with mkinitcpio -k 2.6.27-ARCH -g kernel26.img and rebooting booted my system then. I think that sata comes after autodetect which might hang. But im really not sure.

Hope that will do the trick for you too.

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#6 2008-10-14 17:32:29

Barrucadu
Member
From: York, England
Registered: 2008-03-30
Posts: 1,158
Website

Re: The dreaded "Failed to parse block device name"...

Nope, no luck. I've added all the pata, scsi, and sata modules returned by hwdetech, and I didn't have autodetect or keymap in my mkinitcpio.conf (I have base sata and filesystems).

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