Testing a clone of this Xubuntu instance on an Intel CPU (Celeron G1620 and
Core i5 8265U) showed that the problem does not occur there. So the
5.15.0-47.51-generic kernel booting problem only occurs on an AMD CPU (Ryzen 9
3900XT).
To determine whether the problem is in the kernel itself or in the (my?)
userland I tested this kernel with an other userland (a slackware-based live
CD): the problem does not occur there. So the problem is likely to be in the
(my?) userland.
Today I installed the 5.15.0-48-generic kernel. And lo and behold: the problem
does not occur on my AMD box (Ryzen 9 3900XT) nor on my Intel laptop (Core i5
8265U)! So the problem was something in the kernel responding badly to
something in the (my?) userland.
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1988635
Title:
boot failure on ryzen 9
Status in linux package in Ubuntu:
Fix Released
Bug description:
Xubuntu 22.04.1: When booting the 5.15.0-47.51 generic kernel on my
AMD Ryzen 9 3900XT I see the following messages:
-- [FAILED] Failed to mount /C.
-- See 'systemctl status C.mount' for details.
-- [DEPEND] Dependency failed for Local File Systems.
-- .....
-- You are in emergency mode.
---.....
NOTE THAT I HAD TO REVERT TO KERNEL 5.15.0-46.49 TO REPORT THIS
PROBLEM.
A clone of the installation at hand runs without problems on an Intel
Celeron G1620 box.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-5.15.0-47-generic 5.15.0-47.51
ProcVersionSignature: Ubuntu 5.15.0-46.49-generic 5.15.39
Uname: Linux 5.15.0-46-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: burdi01 2933 F.... pulseaudio
/dev/snd/controlC0: burdi01 2933 F.... pulseaudio
CasperMD5CheckResult: unknown
CurrentDesktop: XFCE
Date: Sat Sep 3 15:45:02 2022
HibernationDevice: RESUME=none
IwConfig:
lo no wireless extensions.
enp39s0 no wireless extensions.
MachineType: Micro-Star International Co., Ltd. MS-7C35
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz root=/dev/nvme0n1p12 ro pci=noaer
RelatedPackageVersions:
linux-restricted-modules-5.15.0-46-generic N/A
linux-backports-modules-5.15.0-46-generic N/A
linux-firmware 20220329.git681281e4-0ubuntu3.4
RfKill:
0: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/16/2020
dmi.bios.release: 5.14
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: A.30
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: MEG X570 UNIFY (MS-7C35)
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: 2.0
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Micro-Star International Co., Ltd.
dmi.chassis.version: 2.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrA.30:bd01/16/2020:br5.14:svnMicro-StarInternationalCo.,Ltd.:pnMS-7C35:pvr2.0:rvnMicro-StarInternationalCo.,Ltd.:rnMEGX570UNIFY(MS-7C35):rvr2.0:cvnMicro-StarInternationalCo.,Ltd.:ct3:cvr2.0:skuTobefilledbyO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: MS-7C35
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: 2.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
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