[12:05] <s10gopal> jsalisbury, error while installing patched kernel , https://paste.ubuntu.com/p/5g8rtx4JfN/
[12:24] <jsalisbury> s10gopal, I copied those other dependent packages there now.  Just install the linux-modules packages first and that error should go away.
[12:25] <s10gopal> jsalisbury, how ?
[12:25] <jsalisbury> s10gopal, the same way you install the linux-image package
[12:26] <jsalisbury> s10gopal, I assume you use dpkg -i 
[12:26] <s10gopal>  cannot access archive: No such file or directory
[12:27] <s10gopal> jsalisbury, i am running sudo dpkg -i linux-modules-4.15.0-20-generic
[12:28] <jsalisbury> s10gopal, Its a new format for the debs.  Let me play around with the process for a bit and I'll let you know.
[12:29] <s10gopal> jsalisbury, even apt install -f is not working , E: Package 'linux-modules-4.15.0-20-generic' has no installation candidate
[12:43] <s10gopal> jsalisbury, downloaded all the files present in "http://kernel.ubuntu.com/~jsalisbury/lp1745646/" and then tried sudo dpkg -i l* , but still problem is not fixed
[12:48] <cascardo> s10gopal: are you on xenial or bionic?
[12:48] <s10gopal> cascardo, Trusty Tahr
[12:51] <cascardo> urgh...
[12:51] <cascardo> you need a very recent linux-base to get those kernels working
[12:51] <cascardo> and it has just been recently updated to xenial
[12:52] <s10gopal> cascardo, so i should install 18.04 ?
[12:53] <cascardo> s10gopal: I can't give you any recommendations, I don't know what's your situation in enough detail, sorry
[12:53] <cascardo> you may want to try to install a recent linux-base
[12:53] <cascardo> instead of upgrading your entire system
[12:54] <cascardo> https://packages.ubuntu.com/xenial-updates/all/linux-base/download
[12:54] <cascardo> you can download it from there and try dpkg -i linux-base*4.5*deb
[12:54] <s10gopal> thx
[12:54] <cascardo> it should not require any dependencies, and I would not expect it to break your system, but it might happen
[12:55] <cascardo> no warranties  :-)
[13:00] <s10gopal> cascardo, Error! Your kernel headers for kernel 4.15.0-20-generic cannot be found. , need to install it too ?
[13:05] <cascardo> can you pastebin more of the logs?
[13:06] <s10gopal> cascardo, http://paste.ubuntu.com/p/NTMN5D6zrR/
[13:08] <s10gopal> cascardo, https://paste.ubuntu.com/p/kW74nDSHRd/
[13:23] <cascardo> okay, so that's dkms trying to build one out-of-tree module
[13:23] <cascardo> if you want that module, you need to install the headers too
[13:24] <cascardo> but I believe your systems is already bootable with that kernel
[13:25] <cascardo> initrd creation seems to have succeeded, as updating bootloaders configs
[13:25] <s10gopal> thx , booting into new kernel
[14:32] <jsalisbury> cascardo, thanks for helping him along.  I'm not used to the change from linux-image / linux-image-extra to linux-unsigned / linux-modules yet.
[14:38] <cascardo> jsalisbury: yw
[14:39] <cascardo> not sure why he hasn't joined back yet
[16:57] <tych0> tyhicks: so, i just got another lockup
[16:57] <tych0> but i'm not sure how to trigger sysrq from my keyboard
[16:57] <tych0> and of course ssh and everything is totally hosed, so i couldn't use that :(
[17:00] <tyhicks> tych0: "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 keyboard
[17:00] <tych0> well, let me test for next time
[17:01] <tych0> yep
[17:01] <tych0> that does it for me too
[17:01] <tych0> oof.
[17:01] <tych0> well, it probably won't be long before another one :)
[18:20] <s10gopal> jsalisbury, 4.15.0-20-generic #21~lp1745646PatchFromBjorn SMP Wed May 2 is good , that means bug is fixed ?
[18:23] <jsalisbury> s10gopal, That's good news.  That means upstream now knows what caused the bug and a proper fix is coming.
[18:23] <jsalisbury> s10gopal, Thanks for testing!
[18:24] <s10gopal> jsalisbury, can you please tell what skills i should learn to be like you ?
[18:26] <jsalisbury> s10gopal, 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] <jsalisbury> https://wiki.ubuntu.com/Kernel/
[18:28] <s10gopal> jsalisbury, 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 too
[18:29] <jsalisbury> s10gopal, Thank you for following up and all the testing.  Without your help, this bug would still be unknown!
[18:31] <jsalisbury> s10gopal, 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.