On Wed, Sep 25, 2024 at 01:40:01PM +0200, Bert Karwatzki wrote: > Since linux-next-20240920 my Msi Alpha 15 Laptop has repeatedly suffered > from hung tasks when shutting down (though not on every shutdown). After > some time when shutting down does not work the following messages about > hung tasks appear on screen: > INFO: task systemd-shutdow:1 blocked for more than 61 seconds. > and several of these > INFO: task kworker/u64:*:* blocked for more than 61 seconds. > > The error can be provoked by repeatedly rebooting the system, and so > I bisected the error between v6.11 and next-20240920. As the first bad > commit I got the merge commit > > commit 32035d78548754935544d2ae23d39c6090ad0b50 > Merge: 9dfe3a6f3f77 6a36d828bdef > Author: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> > Date: Fri Sep 20 12:48:01 2024 +1000 > > Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git > > Both parents of the commit tested as not affected by the bug. (I declared a commit as > good when it survived ten reboot cycles without a hang, the bad commits usually > hung after at most 3 reboots). > > The error is also still present in next-202409{23,24,25}. In next-20240925 I can > fix the issue by the following reverting commit 1a0f3e00961c (commit 1a0f3e00961c > is similar to commit 32035d785487, both merge branch 'driver-core-next' > from gregkh/driver-core.git): Thanks for the report, I _just_ reverted all of these in my branch due to another report just like this. I'll be glad to take them back after -rc1 if these issues can be worked out. So the next linux-next release should be good, OR if you could pull my driver-core.git driver-core-next branch to verify the revert worked for you, that would be great. thanks, greg k-h