Messages in this thread | | | Date | Sun, 21 Dec 2003 18:44:08 +0100 | From | Andries Brouwer <> | Subject | Re: 2.6.0 and auto geometry resizing? |
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On Sun, Dec 21, 2003 at 04:28:50PM +0100, PeteVine wrote:
> I've got this problem with 2.6 kernels, namely I can't use my RAID > partitions as they are not detected at boot. I've tracked the issue > to what I believe is auto geometry resizing. > > With 2.6 cfdisk shows: > > hdc1 Boot, NC Primary OnTrackDM6 33814,13 > > Whereas with 2.4 there's no resizing: > > hdc1 Primary Linux swap 254,99
It is clear what happens. Both kernels see different partition tables. You did not show the 2.4 boot messages, but no doubt they will mention something about the boot manager shift. Give 2.6 the appropriate boot parameter and all will be fine.
What parameter? Quoting from ide.c: * "hdx=remap63" : add 63 to all sector numbers (for OnTrack DM) * "hdx=remap" : remap 0->1 (for EZDrive)
So if you have OnTrack you need "hdc=remap63".
Andries
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