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Kernel regression on 5.2 branch: unable to boot

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  • Kernel regression on 5.2 branch: unable to boot

    Hello,

    I don't know if any of you encounter the same issue, I am running on 5.1 kernel branch without any issue but when I try to switch to 5.2 branch my computer is unable to boot. I tried again with the latest 5.2.4 with no success.

    As the 5.1 branch is coming to end of life this is quite annoying.

    My PC is an AMD Ryzen 2400G APU with Ext4 Ffle system on Ubuntu 18.04.2 LTS.

    I don't know where it's coming from, from the logs it could a mounting problem (I have network folders but there is no issue with it on 5.1.x).

    Here is a part of my /var/log/boot.log file :
    [FAILED] Failed to mount Mount unit for core, revision 7169. See 'systemctl status snap-core-7169.mount' for details. [FAILED] Failed to mount Mount unit for core, revision 7270. See 'systemctl status snap-core-7270.mount' for details. [ OK ] Started Authorization Manager. [ OK ] Started Accounts Service. [ OK ] Mounted Mount unit for gnome-calculator, revision 260. [ OK ] Mounted Mount unit for indicator-sensors, revision 166. Starting Manage, Install and Generate Color Profiles... [ OK ] Started Modem Manager. Starting Hostname Service... [ OK ] Started Disk Manager. [ OK ] Started Manage, Install and Generate Color Profiles. [ OK ] Started Hostname Service. [ OK ] Started Network Manager. Starting Network Manager Wait Online... Starting Network Manager Script Dispatcher Service... [ OK ] Started Network Manager Script Dispatcher Service. [ OK ] Started Dispatcher daemon for systemd-networkd. [ OK ] Started LSB: Record successful boot for GRUB. [ OK ] Mounted Mount unit for gnome-3-26-1604, revision 90. [ OK ] Mounted Mount unit for gnome-characters, revision 296. [ OK ] Mounted Mount unit for core18, revision 1055. [ OK ] Started Login Service. [ OK ] Mounted Mount unit for gnome-characters, revision 292. [ OK ] Mounted Mount unit for gnome-calculator, revision 406. [ OK ] Mounted Mount unit for notepad-plus-plus, revision 212. [ OK ] Mounted Mount unit for wine-platform-runtime, revision 6. [ OK ] Mounted Mount unit for gnome-3-28-1804, revision 63. [ OK ] Mounted Mount unit for gnome-logs, revision 61. [ OK ] Mounted Mount unit for gnome-calculator, revision 352. [ OK ] Mounted Mount unit for gnome-3-28-1804, revision 67. [ OK ] Mounted Mount unit for core18, revision 1066. [ OK ] Mounted Mount unit for wine-platform-3-stable, revision 6. [FAILED] Failed to mount Mount unit for gnome-system-monitor, revision 100. See 'systemctl status "snap-gnome\\x2dsystem\\x2dmonitor-100.mount"' for details. [ OK ] Mounted Mount unit for wps-office-all-lang-no-internet, revision 1. [ OK ] Mounted Mount unit for gtk-common-themes, revision 1313. [ OK ] Mounted Mount unit for opera, revision 44. [ OK ] Mounted Mount unit for chromium-ffmpeg, revision 13. [ OK ] Mounted Mount unit for gtk-common-themes, revision 1198. [ OK ] Mounted Mount unit for gnome-system-monitor, revision 95. [ OK ] Mounted Mount unit for wine-platform-runtime, revision 23. [ OK ] Mounted Mount unit for chromium-ffmpeg, revision 11. [FAILED] Failed to mount Mount unit for vlc, revision 1049. See 'systemctl status snap-vlc-1049.mount' for details. I tried to perform "systemctl status snap-vlc-1049.mount" as mentioned in the log but once I booted again on 5.1.x so there is nothing specific to be noted.

    I reported the bug on the kernel bug tracker: https://bugzilla.kernel.org/show_bug.cgi?id=204369

    Jump in if you also encounter the issue or you have any idea!

    Thanks Phoronix


  • #2
    I confirm I am not the only one impacted by this blocking kernel regression on 5.2 branch, a similar issue was reported here: https://bugzilla.kernel.org/show_bug.cgi?id=204325

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