/srv/irclogs.ubuntu.com/2018/05/03/#ubuntu-kernel.txt

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s10gopaljsalisbury, error while installing patched kernel , https://paste.ubuntu.com/p/5g8rtx4JfN/12:05
jsalisburys10gopal, I copied those other dependent packages there now.  Just install the linux-modules packages first and that error should go away.12:24
s10gopaljsalisbury, how ?12:25
jsalisburys10gopal, the same way you install the linux-image package12:25
jsalisburys10gopal, I assume you use dpkg -i 12:26
s10gopal cannot access archive: No such file or directory12:26
s10gopaljsalisbury, i am running sudo dpkg -i linux-modules-4.15.0-20-generic12:27
jsalisburys10gopal, Its a new format for the debs.  Let me play around with the process for a bit and I'll let you know.12:28
s10gopaljsalisbury, even apt install -f is not working , E: Package 'linux-modules-4.15.0-20-generic' has no installation candidate12:29
s10gopaljsalisbury, downloaded all the files present in "http://kernel.ubuntu.com/~jsalisbury/lp1745646/" and then tried sudo dpkg -i l* , but still problem is not fixed12:43
cascardos10gopal: are you on xenial or bionic?12:48
s10gopalcascardo, Trusty Tahr12:48
cascardourgh...12:51
cascardoyou need a very recent linux-base to get those kernels working12:51
cascardoand it has just been recently updated to xenial12:51
s10gopalcascardo, so i should install 18.04 ?12:52
cascardos10gopal: I can't give you any recommendations, I don't know what's your situation in enough detail, sorry12:53
cascardoyou may want to try to install a recent linux-base12:53
cascardoinstead of upgrading your entire system12:53
cascardohttps://packages.ubuntu.com/xenial-updates/all/linux-base/download12:54
cascardoyou can download it from there and try dpkg -i linux-base*4.5*deb12:54
s10gopalthx12:54
cascardoit should not require any dependencies, and I would not expect it to break your system, but it might happen12:54
cascardono warranties  :-)12:55
s10gopalcascardo, Error! Your kernel headers for kernel 4.15.0-20-generic cannot be found. , need to install it too ?13:00
cascardocan you pastebin more of the logs?13:05
s10gopalcascardo, http://paste.ubuntu.com/p/NTMN5D6zrR/13:06
s10gopalcascardo, https://paste.ubuntu.com/p/kW74nDSHRd/13:08
cascardookay, so that's dkms trying to build one out-of-tree module13:23
cascardoif you want that module, you need to install the headers too13:23
cascardobut I believe your systems is already bootable with that kernel13:24
cascardoinitrd creation seems to have succeeded, as updating bootloaders configs13:25
s10gopalthx , booting into new kernel13:25
jsalisburycascardo, thanks for helping him along.  I'm not used to the change from linux-image / linux-image-extra to linux-unsigned / linux-modules yet.14:32
cascardojsalisbury: yw14:38
cascardonot sure why he hasn't joined back yet14:39
tych0tyhicks: so, i just got another lockup16:57
tych0but i'm not sure how to trigger sysrq from my keyboard16:57
tych0and of course ssh and everything is totally hosed, so i couldn't use that :(16:57
tyhickstych0: "alt + windows + print screen + l" (holding each key as you go) triggers the necessary magic sysrq on my keyboard but it could be different on your keyboard17:00
tych0well, let me test for next time17:00
tych0yep17:01
tych0that does it for me too17:01
tych0oof.17:01
tych0well, it probably won't be long before another one :)17:01
s10gopaljsalisbury, 4.15.0-20-generic #21~lp1745646PatchFromBjorn SMP Wed May 2 is good , that means bug is fixed ?18:20
jsalisburys10gopal, That's good news.  That means upstream now knows what caused the bug and a proper fix is coming.18:23
jsalisburys10gopal, Thanks for testing!18:23
s10gopaljsalisbury, can you please tell what skills i should learn to be like you ?18:24
jsalisburys10gopal, Your already on the way.  Reporting a bug, testing and getting a proper fix in is great!  There are many wiki pages specific to Ubuntu here that help:18:26
jsalisburyhttps://wiki.ubuntu.com/Kernel/18:26
s10gopaljsalisbury, thx for giving me your valuable time , i know i was not good in reading documentation , but this bug taught me a lot of things and i can understand and apply them too18:28
jsalisburys10gopal, Thank you for following up and all the testing.  Without your help, this bug would still be unknown!18:29
jsalisburys10gopal, I'll continue to work with upstream a bit on this issue.  Once there is a proper fix upstream, we will apply it to the Ubuntu kernel.  All of the activity with upstream is also posted to the bug.18:31

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