On Sun, Apr 17, 2011 at 12:00 AM, Jens Axboe <jax...@fusionio.com> wrote: > On 2011-04-17 05:16, Hugh Dickins wrote: >> On Thu, Apr 14, 2011 at 2:54 PM, Benjamin Herrenschmidt >> <b...@kernel.crashing.org> wrote: >>> On Thu, 2011-04-14 at 14:25 -0700, Hugh Dickins wrote: >>>> >>>> Something worth trying: turn off CONFIG_IDE. That's what I need to >>>> boot 2.6.39-rc[1-3] on PowerPC G5. >>>> >>>> I know Jens has been fixing problems with IDE versus his plug/unplug >>>> changes, but it's still not fixed for me in rc3. >>>> >>>> In other mail http://lkml.org/lkml/2011/4/14/614 >>>> I see Linus recommending his post-rc3 commit 6631e635c65d >>>> but I've not tried that myself yet. >>> >>> Well, the disk is SATA so it's CONFIG_ATA/libata, which works fine here, >>> unless you somewhat replaced your CD-ROM with a legacy IDE disk :-) Or >>> maybe the problem is related to the CD-ROM drive. There's a libata >>> driver for it nowadays, so you can use PATA_MACIO instead of IDE_PMAC >> >> Thanks for that, Ben: I remember you were brewing up such a driver, >> but I missed when it actually went in. I can confirm that switching >> off CONFIG_IDE and switching on CONFIG_PATA_MACIO and >> CONFIG_BLK_DEV_SR now gives me a booting system with a working CD-ROM >> (though I've not yet tried burning). >> >> Whereas CONFIG_IDE=y with current git still does not boot: hangs for a >> minute or three around the windfarm announcements, then an endless >> splurge of hda error messages - sorry, I'm not being helpful, other >> worries... > > It's the media event notification that goes crazy. Try and comment out > this line: > > drive->dev_flags |= IDE_DFLAG_MEDIA_CHANGED; > > in drivers/ide/ide-cd.c:cdrom_saw_media_change() and see if it boots.
Yes, that also boots, with a working CD-ROM: thanks. Hugh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
