F14: after kernel update, can't boot (from software RAID)

Neil Bird neil at fnxweb.com
Wed May 11 09:25:58 UTC 2011


   I did a belated update of my Fedora 14 box last night, which included a 
new kernel (2.6.35.13-91.fc14.i686.PAE, previous was 
2.6.35.11-83.fc14.i686.PAE).  However, upon trying to boot, it slept for a 
little bit, then said something like:

Fatal: no boot partition found, sleeping forever

   (paraphrasing, I neglected to write the exact message).


   I can boot fine if I select the older kernel.

title Fedora (2.6.35.13-91.fc14.i686.PAE)
         root (hd0,0)
         kernel /boot/vmlinuz-2.6.35.13-91.fc14.i686.PAE ro root=/dev/md0 
apm=power-off rdblacklist=nouveau vga=0x318 quiet rhgb LANG=en_GB.UTF-8 
KEYTABLE=uk
         initrd /boot/initramfs-2.6.35.13-91.fc14.i686.PAE.img

title Fedora (2.6.35.11-83.fc14.i686.PAE)
         root (hd0,0)
         kernel /boot/vmlinuz-2.6.35.11-83.fc14.i686.PAE ro root=/dev/md0 
apm=power-off rdblacklist=nouveau vga=0x318 quiet rhgb LANG=en_GB.UTF-8 
KEYTABLE=en-gb
         initrd /boot/initramfs-2.6.35.11-83.fc14.i686.PAE.img



   The complication is that I'm using partition-mirrored RAID (2x drives, 
identically partitioned, then /dev/mdX mirror-RAID devices applied to those 
partitions, so /dev/sda0 & /dev/sdb0 -> /dev/md0 (my root/boot partition).

   It kind of feels like the initramfs has been mis-created without RAID 
support, but I'm not sure how to check.

   I think there's been something iffy with my initramfs creation for a 
while, as I always get errors about not being able to find the listed 
KEYTABLE and SYSFONT (when present) files, although they're on my HD, 
nomatter what values I give.

   In fact, I get SYSFONT errors even with the above (nothing specified). 
As it happend, those two errors (in quiet mode) are all I get when trying to 
boot the new kernel, before a ~10s. sleep and then the fatal error.

   Non-quiet mode didn't show me anything in particular;  I'll try it again 
later with the kernel's 'slow-boot-output' enabled (boot_delay=n).

-- 
[neil at fnx ~]# rm -f .signature
[neil at fnx ~]# ls -l .signature
ls: .signature: No such file or directory
[neil at fnx ~]# exit


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