On Fri, 10 Jul 2009, 17:10 +1000, John Marshall wrote: > On Fri, 10 Jul 2009, 10:14 +0400, Eygene Ryabinkin wrote: > > Fri, Jul 10, 2009 at 02:21:06PM +1000, John Marshall wrote: > > > This system was source-upgrade from 7.2-RELEASE to 8.0-BETA1 a couple of > > > days ago. > > > > > > Today I had a nasty surprise when I fired up bsdlabel to increase the > > > size of a swap partition. I booted the system off the 7.2-RELEASE live > > > filesystem CD and its bsdlabel displayed "normal" labels. I used the > > > bsdlabel off the 7.2 livefs CD to edit the label. > > > > > > Here's what I see from 8.0-BETA1. Scary stuff! > > > > > > rwsrv05# bsdlabel da0s1 > > > # /dev/da0s1: > > > 8 partitions: > > > # size offset fstype [fsize bsize bps/cpg] > > > a: 1048576 16065 4.2BSD 2048 16384 8 > > > b: 8388608 1064641 swap > > > c: 33543720 16065 unused 0 0 # "raw" part, don't edit > > > e: 4194304 9453249 4.2BSD 2048 16384 28552 > > > f: 19912232 13647553 4.2BSD 2048 16384 28552 > > > partition c: partition extends past end of unit > > > bsdlabel: partition c doesn't start at 0! > > > bsdlabel: An incorrect partition c may cause problems for standard system utilities > > > partition f: partition extends past end of unit > > > > And if you'll invoke 'bsdlabel -A da0s1' then it will whine only about > > 'c' that doesn't start at 0, but no stuff will be marked as 'extends past > > end of unit' ;)) > > > > The problem is that your 8.x kernel is likely misses GEOM_BSD, so > > gctl_issue() inside readlabel() of bsdlabel.c will choke on it. > > Mine problems on one of the hosts were solved by adding GEOM_BSD and > > recompiling the kernel, though it has the only slice that started at > > 63 (MBR offset). > > > > > rwsrv05# bsdlabel da0s2 > > > # /dev/da0s2: > > > 8 partitions: > > > # size offset fstype [fsize bsize bps/cpg] > > > c: 67103505 33559785 unused 0 0 # "raw" part, don't edit > > > d: 33554432 33559785 4.2BSD 2048 16384 28552 > > > e: 33549073 67114217 4.2BSD 2048 16384 28552 > > > partition c: partition extends past end of unit > > > bsdlabel: partition c doesn't start at 0! > > > bsdlabel: An incorrect partition c may cause problems for standard system utilities > > > partition d: partition extends past end of unit > > > partition e: offset past end of unit > > > partition e: partition extends past end of unit > > > > This part gets trickier, because partition 'c' reports strange offset. > > I had reproduced this problem at my notebook, so I'll try to debug it > > further. > > Thank you Eygene, > > Rebuilding the kernel with the GEOM_BSD option configured didn't make > any difference for me. I notice that the offset for the start of the > slice 2 c partition seems to include the size of the entire s1 slice. I don't think it's just bsdlabel. I just noticed this in DMESG... WARNING: da0s1 expected rawoffset 0, found 16065 WARNING: da0s2 expected rawoffset 0, found 33559785 WARNING: da0s4 expected rawoffset 0, found 100663290 WARNING: da1s1 expected rawoffset 0, found 16065 WARNING: da1s2 expected rawoffset 0, found 33559785 WARNING: da1s4 expected rawoffset 0, found 67103505 WARNING: da0s1a expected rawoffset 0, found 16065 WARNING: da0s2d expected rawoffset 0, found 33559785 WARNING: da0s4d expected rawoffset 0, found 100663290 WARNING: ufsid/44cab1426f1a14df expected rawoffset 0, found 100663290 WARNING: da1s1d expected rawoffset 0, found 16065 WARNING: ufsid/44c73ece4c594eee expected rawoffset 0, found 16065 WARNING: da1s2d expected rawoffset 0, found 33559785 WARNING: ufsid/44ca989c1c946f80 expected rawoffset 0, found 33559785 WARNING: da1s4d expected rawoffset 0, found 67103505 WARNING: ufsid/44caacedfa48b1aa expected rawoffset 0, found 67103505 WARNING: ufsid/454bbd55fb8748ad expected rawoffset 0, found 16065 WARNING: ufsid/44cab13667346452 expected rawoffset 0, found 33559785 WARNING: ufsid/44cab1426f1a14dfd expected rawoffset 0, found 100663290 WARNING: ufsid/44c73ece4c594eeed expected rawoffset 0, found 16065 WARNING: ufsid/44ca989c1c946f80d expected rawoffset 0, found 33559785 WARNING: ufsid/44caacedfa48b1aad expected rawoffset 0, found 67103505 Trying to mount root from ufs:/dev/da0s1a WARNING: da0s1a expected rawoffset 0, found 16065 WARNING: ufsid/454bbd55fb8748ad expected rawoffset 0, found 16065 WARNING: ad0s1 expected rawoffset 0, found 63 WARNING: da1s1 expected rawoffset 0, found 16065 WARNING: da1s1d expected rawoffset 0, found 16065 WARNING: ufsid/44c73ece4c594eee expected rawoffset 0, found 16065 WARNING: ufsid/44c73ece4c594eeed expected rawoffset 0, found 16065 WARNING: da1s2 expected rawoffset 0, found 33559785 WARNING: da1s2d expected rawoffset 0, found 33559785 WARNING: ufsid/44ca989c1c946f80 expected rawoffset 0, found 33559785 WARNING: ufsid/44ca989c1c946f80d expected rawoffset 0, found 33559785 WARNING: da1s4 expected rawoffset 0, found 67103505 WARNING: da1s4d expected rawoffset 0, found 67103505 WARNING: da0s2 expected rawoffset 0, found 33559785 WARNING: da0s2d expected rawoffset 0, found 33559785 WARNING: ufsid/44caacedfa48b1aa expected rawoffset 0, found 67103505 WARNING: ufsid/44cab13667346452 expected rawoffset 0, found 33559785 WARNING: ufsid/44caacedfa48b1aad expected rawoffset 0, found 67103505 WARNING: da0s2 expected rawoffset 0, found 33559785 WARNING: da0s4 expected rawoffset 0, found 100663290 WARNING: da0s4d expected rawoffset 0, found 100663290 WARNING: ufsid/44cab1426f1a14df expected rawoffset 0, found 100663290 WARNING: ufsid/44cab1426f1a14dfd expected rawoffset 0, found 100663290 -- John Marshall
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