On Thu, 19 Apr 2018 11:18 awokd <aw...@danwin1210.me> wrote: > On Wed, April 18, 2018 4:20 pm, Oleg Artemiev wrote: > > It hangs w/ NMI watchdog: BUG: softlockup - CPU0 stuck for 22 s > > [swapper/0:0] > > Usually it happens after loading Dom0 startup setup or netvm startup. > > > > > > screen photo attached. > > 20180418_190412.jpg > > < > https://drive.google.com/file/d/0Bwua3s7WG1liSlVZTjktNmh4c21WZDlJZ2xWTGRK > > Zi16YThv/view?usp=drive_web> > > > > Can I get into it and roll back updates w/o reinstalling? I guees booting > > from Qubes usb stick will get me into it. But which packages should be > > downgraded - I just installed everything w/o recording - is anywhere a > > log of last packages installed or a howto w/ downgrade examples? > > It may have been a Linux kernel update. If you can choose an earlier > version from your boot menu, try that.
I did that - same hang for all 3 versions. To confirm, you can see the > installation history in /var/log/dnf.log* files. To downgrade specific > packages, see > > https://www.qubes-os.org/doc/software-update-dom0/#how-to-downgrade-a-specific-package > . > Thank you! If booting the earlier version works for you, you might want to use that > instead of trying to downgrade packages but look for a way to keep more > than just 2 versions in your default list or could accidentally lose the > Qubes provides 3 kernels to boot w/ by default. In my case all fail. working one on your next upgrade. I think I saw a way to do that somewhere > on this list. Looks I've to protect a kernel package from removal on next upgrade & lock one boot entry for it in grub menu . Is there a way to mark an rpm permanent? And since on updates grub menu is overwritten I've to reinstall grub manually on each upgrade, right? -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/CABunX6PCS7KOKNETGTcn32qfTD9Ov%3DbCbi8dVyw4K06KbuZq9A%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
