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On Sun, Jun 12, 2005 at 07:22:45PM -0700, David Lang wrote: > On Sun, 12 Jun 2005, Willy Tarreau wrote:> > > - you don't know the root device, so the kernel will > > panic at boot because it cannot find the root device. > > In this case, you have the partition list still on > > the screen as it's among the latest things in the > > boot order. And if your kernel reboots upon panic, > > just boot it with panic=30 so get 30 seconds to read > > the partition table.> > I have one machine inmy lab that turns out to need to boot from /dev/sdq1 > > trust me, that partition info has LONG since scrolled off the screen by > the time it fails to mount and panics. Interesting. How many total partitions do you have ? I ask this because David Alan Gilbert proposed a patch to dump the partition list on the screen upon panic. Perhaps it's larger than the screen in you case ? If you have more than 25 partitions, to you think they can fit with 2 or 3 columns ? > I ended up setting up a serial console to capture the boot to figure this > machine out, but that's a pretty extreme measure to have to go to. > > David Lang> > P.S. I had to do this after grub failed to mount by label (my guess is > that grub only looks at so many drives before giving up on finding the > label) so don't tell me that I should just use labels and then I wouldn't > have to worry about this type of thing I wouldn't tell you that, I *hate* labels. It causes lots of problems when you simply move some disks between machines. Regards, Willy - 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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