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Message-ID: <b6fcc0a0711150330p276e8c74u3486b9c776f2c6ae@mail.gmail.com> Date: Thu, 15 Nov 2007 14:30:29 +0300 From: "Alexey Dobriyan" <adobriyan@...il.com> To: "Daniel Lezcano" <dlezcano@...ibm.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 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. - 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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