From: Daniel Lezcano <dlezcano@fr.ibm.com>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, gregkh@suse.de
Subject: Re: [2.6.24-rc2-git5] kernel panic when config_sysfs = n
Date: Thu, 15 Nov 2007 12:27:44 +0100 [thread overview]
Message-ID: <473C2D30.4070309@fr.ibm.com> (raw)
In-Reply-To: <b6fcc0a0711150330p276e8c74u3486b9c776f2c6ae@mail.gmail.com>
Alexey Dobriyan wrote:
> On 11/15/07, Daniel Lezcano <dlezcano@fr.ibm.com> wrote:
>> When I tryed to boot with qemu a 2.6.24-rc2-git5 with sysfs disabled,
>> the boot fails when trying to mount root partition:
>>
>> "VFS: Cannot open root device "hda2" or unknown-block(0,0)
>> Please append a correct "root=" boot option; here are the available
>> partitions:
>> 0300 2097152 hda0300 2097152 hda driver: ide-disk
>> driver: ide-disk
>> 0301 257008 hda1
>> 0302 1839442 hda2
>> 1600 4194302 hdc1600 4194302 hdc driver: ide-cdrom
>> driver: ide-cdrom
>> Kernel panic - not syncing: VFS: Unable to mount root fs on
>> unknown-block(0,0)"
>
> From CONFIG_SYSFS help text:
>
> sysfs is currently used by the block subsystem to mount the root
> partition. If sysfs is disabled you must specify the boot device on
> the kernel boot command line via its major and minor numbers. For
> example, "root=03:01" for /dev/hda1.
Shame on me :)
Thanks a lot.
prev parent reply other threads:[~2007-11-15 11:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-15 11:07 [2.6.24-rc2-git5] kernel panic when config_sysfs = n Daniel Lezcano
2007-11-15 11:30 ` Alexey Dobriyan
2007-11-15 11:27 ` Daniel Lezcano [this message]
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