/srv/irclogs.ubuntu.com/2016/01/01/#ubuntu+1.txt

k6600Hi all, I'm trying to install ubuntu on my new pc with skylake i5-6600K processor, but starting the live cd immediately gives a kernel panic (caps + scroll lock blinking). Any advice on how to proceed?12:29
ikonianeed to see what the panic is12:31
k6600hm, now it suddenly works, at least the live system. Weird12:42
k6600After installing I get the following: Kernel panic: not syncing: Not all CPUs entered broadcast exception handler12:47
penguin42that's a new one; what were the messages just before that?12:49
k6600[drm] failed to retreive link info, disabling eDP12:52
k6600[drm] initialised i915 1.60 20150731 for 000:00:02.0 on minor 112:53
k6600Kernel panic - Not syncing: Timeout: Not all CPUs entered broadcast exception handler12:53
k6600Shutting down cpus with NMI12:53
penguin42yeh you need to report that; it shouldn't happen - I doubt the drm messages are related12:55
k6600I can report a bug from the live system, I just installed the system from there. Any idea what parameters I should pass the installed system to work around this?12:56
penguin42no, never seen that one - what CPU do you have?12:57
k6600i5-6600k12:59
penguin42nothing too odd then12:59
jtaylorreasonably odd as in very new, should be a skylake?13:00
k6600yes, its a skylake. Thats why I'm using xenial, as I read its not supported on earlier versions of ubuntu13:01
jtaylorxenial still has 4.3 kernel13:01
jtaylorprobably should support it but might still have problems13:01
penguin42lack of support is more normally just not using new features or stuff with graphics and things; it's a bit rare for it to panic that early on a new x8613:02
jtaylorI'd try a 4.4 kernel if that does not work a bugreport is likely required13:02
penguin42it's a shame that the xenial installers aren't using 4.4 already; 4.3 is broken on this machine (just graphics)13:03
k6600jtaylor: so install xenial on another drive, update it to -proposed, then put the drive in the skylake machine and see if it works? Or is there a smarter way to do that?13:04
jtaylorhm yes getting 4.4 installed without an existing working install may be tricky13:04
penguin42mind you the fact the installer is booting for k6600 but not the installed is curious13:05
k6600penguin42: its on and off. Out of 4 tries, I was able to boot to the live system only once. Very weird13:08
k6600Is there a date for 4.4 to land in xenial? It's not on the release schedule13:09
penguin42I don't think 4.4 has made it out of rc yet13:10
BluesKajHappy New Year folks13:19
k6600So what should I do? I want to get this fixed for myself, and also other users of 16.0413:19
penguin42HNY BluesKaj13:19
penguin42k6600: You said you get about a 1/4 try success on the live system - is that true of the installed system?13:20
BluesKajhey penguin4213:20
k6600penguin42: 1/4 was optimistic, I've got in only once now, for 10 kernel panics. I'll try the installed system next13:25
penguin42k6600: If you can get the installed system to boot, once, then you can download and install the daily build of the 4.4 kernel13:26
k6600-installedI'm in the installed system now, by using advanced settings -> upstart in grub.13:38
penguin42k6600-installed: OK, 1st report the bug using ubuntu-bug  kernel   (it's either kernel or linux I can't remmber which)13:41
penguin42k6600-installed: Then grab the daily kernel from http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/   install that, reboot and hope for the best13:41
k6600-installedbug 153044113:42
ubottubug 1530441 in linux (Ubuntu) "Kernel panic when booting" [Undecided,New] https://launchpad.net/bugs/153044113:42
* penguin42 is suspicious what the choice of that advanced option did13:43
penguin42still, lets see if 4.4 helps13:44
penguin42k6600-installed: It'll be the http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/linux-image-4.4.0-999-generic_4.4.0-999.201512302100_amd64.deb  you need13:44
k6600-installedpenguin42: thats just a menu option in grub, that hides older kernels, recovery mode and apparently also (upstart) in xenial13:44
k6600-installedinstalling it now13:45
penguin42k6600-installed: Yeh but I'm curious if you're hitting a fault like that early on from the kernel, why selecting upstart would make any difference13:46
penguin42k6600-installed: Is this brand new hardware that's not run anything successfully yet?13:46
k6600-installedit has been running windows 10 for a month now, mostly games, without issue13:47
penguin42ok, good, so it's probably not hardware13:47
k6600-installedI've also updated the bios and ran memtest for a single pass13:47
penguin42ok good, updating the bios was the other thing I was going to suggest; but yes that makes sense13:47
k6600-installedhere goes the reboot, brb13:49
penguin42I'm not normally that worried about the bios, but when it's new CPUs/motherboard they sometimes haven't got the kinks out of it yet13:49
k6600-installedit works13:52
penguin42wahey!13:53
penguin42k6600-installed: Please add a comment to your bug about the version it works on13:53
k6600-installedpenguin42: added. Do I have to remove this kernel when 4.4 becomes available on xenia or will it have the version in the repo have a higher version number?13:58
penguin42k6600-installed: Hmm I'm not sure; I think you might need to remove it13:58
k6600-installedI'll keep an eye out for when 4.4 lands, I'll probably have to reinstall anyway after using the pre-release ubuntu for a few months14:00
k6600-installedThanks a lot for your help, I'm happy I finally have ubuntu running on my brand new pc ;)14:02
lotuspsychjeanyone go a sign of alpha 1 yet, just upgraded bit nothing much changed15:56
k1l_there is no real change. its more of a milestone15:57
lotuspsychjek1l_: ok tnx, so its just a name of a step forward?15:58
k1l_yep16:23
k1l_a mark on the railroad. some things need to be worked out until that mark16:24
lotuspsychjek1l_: when will we start seeing real changes apply then? before final i hope?16:24
k1l_https://wiki.ubuntu.com/XenialXerus/ReleaseSchedule16:24
penguin42I'd assume being an LTS they wont try and squish vast numbers of features in16:27
lotuspsychjepenguin42: what do you mean16:28
lotuspsychjepenguin42: alot of articles showed already upcomming new xenial features16:28
penguin42lotuspsychje: Well for an LTS you'd hope it would be stable and well tested, not a massive new feature thrown in at the last minute - you'd hope16:31
lotuspsychjenew plymouth, new startup disk creator, dock to bottom,online search vanish from dash,...16:31
lotuspsychjewhen will all those packages arrive on final?16:31
k1l_dock to bottom?16:31
lotuspsychjek1l_: ye left unity bar to bottom ive read mate16:31
k1l_where?16:32
lotuspsychjelemme find that article holdon16:32
lotuspsychjek1l_: http://linux.softpedia.com/blog/ubuntu-16-04-lts-to-let-users-move-the-unity-launcher-at-the-bottom-of-the-screen-498000.shtml16:34
lotuspsychjegnome software :p16:39
lotuspsychjeits gonna be interesting release :16:39
=== lotuspsychje_ is now known as lotuspsychje
lrsIm thinking of updating from 14.04 to 16.04 alpha. DO I just write sudo do-release-upgrade -d ?22:32
k1l_yes. make sure the upgrade path is set to LTS22:36
lrsk1l_, I ave a problem. It says i need 81 mb free in boot22:41
lrsk1l_, http://paste.ubuntu.com/14363152/ <- that is ls boot22:41
lrsWhat can i remove?22:41
lrsI think my boot is about 100 mb22:41
k1l_what? hta tis way to small.22:42
lrsk1l_, If i remove everything thats enough for 81 mb :S22:44
lrsI think my boot is like 100 b22:44
lrsmb22:44
k1l_first solve the issue that your /boot partition is way to small.22:44
k1l_that will make trouble all the time22:44
lrsk1l_, No, its 200 mb22:44
lrsI think maybe its a hidden trash there22:44
k1l_ls -alh22:45
lrsOk, i had to delete the trash file that was hidden. Now it starts , hopefully it will work22:46
hjtbkHi. People tell me Alpha1 has been released but I cannot find a specific download page for it. Is it just the latest daily build? Thanks!23:42
k1l_https://lists.ubuntu.com/archives/ubuntu-release/2015-December/003483.html23:45
k1l_i would use the daily builds so far23:46
hjtbkOk. Thanks.23:49

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