Messages in this thread |  | | | Date | Sun, 29 Mar 2009 09:11:48 -0700 | | From | Arjan van de Ven <> | | Subject | Re: fastboot/async and initramfs: How am I supposed to know when devices are finished initializing? |
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On Sun, 29 Mar 2009 18:02:41 +0200 Thomas Bächler <thomas@archlinux.org> wrote:
> Okay, I have this problem in 2.6.29 with the "fastboot" option and in > today's linux-2.6.git. > > In initramfs, we run the following commands: > /sbin/udevd --daemon > /sbin/udevadm trigger > /sbin/udevadm settle > Among other things, this loads the ata_piix on my machine. On older > kernels I could assume that after these commands, /dev/sda* existed
not if you have CONFIG_SCSI_SCAN_ASYNC set though..
> and I could immediately access them (in my case, I run cryptsetup on > /dev/sda6). But now, the devices don't exist here, but are only > created a second or so later. As a result, the initramfs script has > already bailed out as it couldn't find /dev/sda6 and assumed that the > hard drive didn't exist.
the CONFIG_SCSI_WAIT_SCAN method (basically loading that module to wait for the scans to finish) will work for you......
-- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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