Greetings,
I've been running Fedora since the Fedora Core days. About 11 days
ago, I upgraded my x86_64 system from 25 to 26. Prior to upgrading to
26, I was running 25 for over 6 months without any stability issues.
Since the upgrade to 26, something inspecting the process list is
wedging the OS. The problem isn't even obvious until I happen to run
'ps' and the command hangs indefinitely, and can't be killed.
However, at that point, the load avg takes off, and just keeps
climbing over time. The system is still mostly responsive, but
clearly its very unhappy about something. I'm able to check 'dmesg'
as well as /var/log/messages while its in the bad state, and there's
nothing new in either, and definitely nothing bad, unusual or
suspicious. Unfortunately, I can't even shutdown/reboot gracefully at
this point, as anything & everything that wants to inspect the process
list also hangs, and so the system never fully shuts down (I waited a
full hour the first time hoping that eventually it would proceed). I
have to hit RESET and then (thankfully) the system boots up just fine
again.
The first hang happened about 28 hours after upgrading to 26. Things
were fine after that for just over 9 days of uptime when the same
thing happened all over again.
I've tried googling to see if there's any one else running into this,
and didn't find much. This was the closest thing, but its over a year
ago:
https://forums.fedoraforum.org/archive/index.php/t-310268.html
At this point, I'm wondering whether anyone:
0) recognizes this as a known bug
1) has any ideas how to debug it further
thanks!
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