Re: Can't boot 2.6.26-rt1

From: "Justin Mattock" <justinmattock@xxxxxxxxx>
Date: Sat, 2 Aug 2008 16:29:37 -0700

On Sat, Aug 2, 2008 at 3:24 PM, John Kacur <jkacur@xxxxxxxxx> wrote:

On Sat, Aug 2, 2008 at 11:31 PM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

On Sat, 2 Aug 2008, John Kacur wrote:

VFS: Cannot open root device

Do you use an initrd boot disk? If so make sure the initrd is correct.
Sometimes it is best to first get a 2.6.26 kernel booting without initrd
and then use that same config on the -rt kernel.

-- Steve

Thanks Justin and Steve for the hints - it turned out to be simple,
somehow the make install scripts were mangling the location of the
initrd, a quick edit to grub and everything is working again.
John

"disk/by-id/scsi-SATA_WDC_WD1600BEVS-WD-WXEZ07100576-part 7" or
unknown block(0,0)
Please append a correct "root = " boot option; here are the available
partitions.
Pid:1,comm:swapper Not tainted
2.6.26-rt1-default#1linux-rt-users@xxxxxxxxxxxxxxx
[< ffff ffff 8046 c149 >] rt_mutex_lock+0x22/0x50
[< ffff ffff 8046 cae6 >] _mutex_unlock+0xe/0x10
[< ffff ffff 8020 cb00 >] exit_intr+0x10/0x1e
[< ffff ffff 8028 633d >] trace_hardirqs_on_caller+0x1e/0x133
[< ffff ffff 8020 d608 >] child_rip+0xa/0x12
[< ffff ffff 8020 cb69 >] restore_args+0x0/0x30
[< ffff ffff 8020 d5fe >] child_rip+0x0/0x12

preempt count 00000001
1-level deep critical section nesting
[< ffff ffff 8047 43e2 >] .... panic +0x43/0x167
[< ffff ffff 8073 6338 >] (<= mount_block_root+0x258/0x26f

Cool;
yeah last week this happened as well
to me, something so simple. causing me
to run around freaking out.
regards;

--
Justin P. Mattock
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References:
- Can't boot 2.6.26-rt1
  - From: John Kacur
- Re: Can't boot 2.6.26-rt1
  - From: Steven Rostedt
- Re: Can't boot 2.6.26-rt1
  - From: John Kacur

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Relevant Pages

Re: Cant boot 2.6.26-rt1
... On Sat, 2 Aug 2008, John Kacur wrote: ... Do you use an initrd boot disk? ... If so make sure the initrd is correct. ... Sometimes it is best to first get a 2.6.26 kernel booting without initrd ...
(Linux-Kernel)
Re: Cant boot 2.6.26-rt1
... On Sat, 2 Aug 2008, John Kacur wrote: ... Do you use an initrd boot disk? ... If so make sure the initrd is correct. ... Sometimes it is best to first get a 2.6.26 kernel booting without initrd ...
(Linux-Kernel)