linux-kernel - Re: Can't boot 2.6.26-rt1

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Date:	Sat, 2 Aug 2008 17:31:58 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	John Kacur <jkacur@...il.com>
cc:	linux-rt-users@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: Can't boot 2.6.26-rt1


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


> "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@...r.kernel.org
> [< 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
> 

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