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Message-ID: <473C2D30.4070309@fr.ibm.com> Date: Thu, 15 Nov 2007 12:27:44 +0100 From: Daniel Lezcano <dlezcano@...ibm.com> To: Alexey Dobriyan <adobriyan@...il.com> CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, gregkh@...e.de Subject: Re: [2.6.24-rc2-git5] kernel panic when config_sysfs = n Alexey Dobriyan wrote: > On 11/15/07, Daniel Lezcano <dlezcano@...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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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