/srv/irclogs.ubuntu.com/2016/06/08/#ubuntu-kernel.txt

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mamarleyapw: I just tried the 4.6.2 mainline kernel and it boots now (yay!), but ACPI CPU frequency scaling doesn't work.  I filed a bug report: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/159037110:32
ubot5Launchpad bug 1590371 in linux (Ubuntu) "ACPI CPU frequency scaling does not work with the 4.6.0-7.8 config and up" [Undecided,New]10:32
rtgcyphermox, have you encountered any UEFI issues with the kernels in ppa:canonical-kernel-team/unstable ?14:16
apwrtg, bug: #1590371 might (though mainline was tested) indicate an issue with your 4.6/7 config14:17
ubot5bug 1590371 in linux (Ubuntu) "ACPI CPU frequency scaling does not work with the 4.6.0-7.8 config and up" [Undecided,Incomplete] https://launchpad.net/bugs/159037114:17
rtgapw, there has to be a better way then building in those drivers14:18
apwrtg, yeah i know your feeling14:19
mamarleyIndeed, though the bug report is still valid.  (I was able to work around the issue by modprobing cpufreq_ondemand and then manually changing governors.)14:22
mamarleyAlso, that only affects my one system that is too old to use the intel_pstate driver, which works fine.14:22
apwmamarley, yep he wasn't saying the bug was invalid, that reverting the change which likely introduced it might not be the best soln.14:23
mamarleyAgreed.14:23
rtgperhaps /etc/init.d/ondemand could do the modprobe14:23
apwrtg, but we only need it if acpi supports it right?  shouldn't it be autoloadable with acpi anyhow ?14:24
rtgapw, not sure. these CPU frequency governors are also built for arches that don't have ACPI (like armhf)14:26
mamarleyI do know that those governors do nothing with intel_pstate.14:26
rtgbug #1584124 has interesting info in that regard14:28
ubot5bug 1584124 in systemd (Ubuntu) "revisit /etc/init.d/ondemand" [Wishlist,Fix committed] https://launchpad.net/bugs/158412414:28
cyphermoxrtg: not done verifying, have you?15:03
cyphermoxrtg: everything is already in place for xenial, or do you still have something to land as kernel there? there isn't a xenial kernel in the PPA15:06
rtgcyphermox, xenial in the archive is feature complete wrt UEFI and MOK15:07
cyphermoxack15:07
mowthegrassHi 17:46
mowthegrassAnyone out there to help me with boot issues 17:46
mowthegrassMy Ubuntu 14.04 doesnt boot with 3.16.0-67 Kernel , But the same machine is able to boot from the latest kernel 17:47
mowthegrassBooting from 3.16.0-67 kernel freezes with the below error 17:47
mowthegrass[    2.402903] random: lvm urandom read with 61 bits of entropy available17:48
mowthegrassrandom: Non blocking pool initialzed 17:48
mowthegrassbooting to recovery , just drops me to initramfs "Gave up waiting for root device" 17:49
mowthegrassI have updated the ramfs of the all the kernels by booting to latest kernel 17:50
mowthegrassanyone have any pointers on where the issue could be 17:50
mowthegrassappreciate your time and help 17:50
apw"latest kernel"?17:50
mowthegrass4.2.0-3617:51
mowthegrassissues seem to be strange 17:54
ali1234jsalisbury/anyone else: here are my notes on bisection: http://paste.ubuntu.com/17126664/18:58
mjg59apw: Any idea what the status of https://launchpadlibrarian.net/149319334/overlayfs_inotify.patch was?20:45
apwmjg59, that is a good question ... i've not rebased that for ages, i really should20:48
mjg59apw: Was anyone working on pushing that upstream? It's something that seems to be biting a bunch of docker users (and we've got customers complaining, so I do have somewhat selfish reasons to be interested)20:50
apwmjg59, i will try and get that rebased 20:50
mjg59apw: Sweet. Let me know if I can help in any way20:52
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