On 23/05/2019 13.53, Stephen Berman wrote:
On Thu, 23 May 2019 13:40:06 +0200 "Carlos E. R." <> wrote:
On 23/05/2019 13.33, Stephen Berman wrote:
On Thu, 23 May 2019 13:18:43 +0200 "Carlos E. R." <> wrote:>>> The root file system for Leap is ext4 (on the same machine I also installed TW on btrfs). ps afxu | grep -i btrfs shows this:
...
And apparently, you have it mounted.
Yes.
Unlucky. Yes, me would have, perhaps, umounted it before starting the procedure, because /I/ knew about this possible problem. I reported it months ago on a virtual machine, but we could not reproduce it and find out what caused it (it happens randomly, and so far, not to the people that can study it). Why would a normal person umount other partitions, there is no reason really. And the install procedure /might/ install things appropriate for those mounts or apply configs or who knows. ...
It is the "btrfs-defrag-plugin.py" that is hung, I think. Check cpu load with "top".
Do you mean this:
top - 13:47:06 up 4:50, 5 users, load average: 1.40, 1.39, 1.37 Tasks: 309 total, 1 running, 308 sleeping, 0 stopped, 0 zombie %Cpu(s): 2.7 us, 1.7 sy, 0.0 ni, 95.5 id, 0.0 wa, 0.0 hi, 0.1 si, 0.0 st KiB Mem : 16277548 total, 4992968 free, 1674488 used, 9610092 buff/cache KiB Swap: 8391680 total, 8391680 free, 0 used. 13953376 avail Mem
CPU load is almost nil, so it that tells us nothing this time. But it maybe it would be interesting to see a few more lines. Maybe, as mentioned by Aaron there is a lot of i/o, but I have my doubts because you have "0.0 wa", ie, cpu waiting on i/o. To make sure, you could use "iotop" instead, but this command is not typically installed - and with rpm stuck you can not install anything else.
But having btrfs installed, I have my doubts.
I don't follow. You doubt it will help to kill the btrfs-defrag-plugin.py process, but it's ok to try? Or do you think it could do damage to the btrfs system or cause some other problem?
I fear that it could be problematic to kill it, I'm unsure.
And what about killing 'try-restart btrfsmaintenance-refresh.service'? What if I try to unmount the btrfs partition now? Or is it too late?
I don't know. Till now, all occurrences of this problem was to people with no btrfs partition. Maybe, there being no CPU activity, and little disk activity, you could kill the processes affected. First defrag (it is a guess), and last the systemctl service. I'm hopping here that the service then continues and the rpm script thinks things succeeded and continues with next part. -- Cheers / Saludos, Carlos E. R. (from 15.0 x86_64 at Telcontar)