Messages in this thread | | | Date | Thu, 24 Feb 2005 09:18:34 -0700 | From | Steven Cole <> | Subject | Re: 2.6.11-rc4-mm1 (VFS: Cannot open root device "301") |
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Matt Mackall wrote: > On Wed, Feb 23, 2005 at 03:10:38PM -0700, Steven Cole wrote: > >>Andrew Morton wrote: >> >>>Steven Cole <elenstev@mesatop.com> wrote: >> >>>>I am having trouble getting recent -mm kernels to boot on my test box. >>>>For 2.6.11-rc3-mm2 and 2.6.11-rc4-mm1 I get the following: >>>> >>>>VFS: Cannot open root device "301" or unknown-block(3,1) >>>>Please append a correct "root=" boot option >>>>Kernel panic - not syncing: VFS: Unable to mount root fs on >>>>unknown-block(3,1) >>>> >> >>[snipped] >> >>>Please set CONFIG_BASE_FULL=y. Check that this causes CONFIG_BASE_SMALL=0, >>>then retest. >> >>Yes, that worked. 2.6.11-rc4-mm1 now boots OK, but hdb1 seems to be >>missing. > > > Can you retry CONFIG_BASE_FULL=n with Andrew's patch? > > You may need to boot back into a sane kernel for LILO to operate properly. > > --- 25/drivers/ide/ide-probe.c~ide_init_disk-fix Wed Feb 23 16:24:44 2005 > +++ 25-akpm/drivers/ide/ide-probe.c Wed Feb 23 16:24:55 2005 > @@ -1269,7 +1269,7 @@ EXPORT_SYMBOL_GPL(ide_unregister_region) > void ide_init_disk(struct gendisk *disk, ide_drive_t *drive) > { > ide_hwif_t *hwif = drive->hwif; > - unsigned int unit = drive->select.all & (1 << 4); > + unsigned int unit = (drive->select.all >> 4) & 1; > > disk->major = hwif->major; > disk->first_minor = unit << PARTN_BITS; >
Andrew's above patch fixes the hdb->hdq insanity, but I still need CONFIG_BASE_FULL=y. I tried unsetting CONFIG_BASE_FULL, and again got the "VFS: Cannot open root device" message (with akpm's patch).
Steven
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