Takashi, On Wed, Dec 17, 2014 at 02:17:57PM +0100, Takashi Iwai wrote: > At Tue, 16 Dec 2014 12:03:51 -0800, > Jeremiah Mahler wrote: > > > > Al Viro, [...] > > > > > > OK, so the root is on sda6, it's been mounted before those attempts to > > > load firmware and init has been chrooted into it, while init_fs got left > > > behind. And that "chrooted into" has happened without pivot_root(2) (or > > > it would've been caught by chroot_fs_refs() in sys_pivot_root()) and > > > not from the "no /init on initramfs" codepath (you do have it there). > > > > > > OK, it's probably unsalvagable, then. Pity, since it means that PID 1 and > > > kernel threads _must_ share ->fs, for the sake of usable ->fs->root, which > > > is asking for trouble. And it means that we still need a sane solution for > > > nfsd folks... > > > > > > Anyway, dropped that stuff from for-next (and for-linus, obviously), with > > > apologies all around. > > > > On a totally different machine, an Acer C720, the sound quit working. > > I bisected that one and it pointed to this same commit. However this > > one doesn't involve loading firmware or any of that stuff. Attached > > are the good/bad dmesg logs. > > Did you mean HD-audio stuff? The bad case shows the error > > [ 2.122849] hda-i915: get_power symbol get fail > [ 2.122856] snd_hda_intel 0000:00:03.0: Error request power-well from i915 > > This is the place calling request_symbol(), where i915 module should > have been loaded dynamically but it failed, likely because of the same > reason as the firmware loading failure. > Ah, perhaps it does load firmware. Then I am mistaken on that point. > > Takashi -- - Jeremiah Mahler -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html