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Old 10-11-2019, 11:06 AM   #1
ddenial
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Getting kernel error every second. Please help

Hello

OS: Fedora 30 Gnome

I'm getting this error every second. "Oops! We're sorry, it looks like a problem occurred. If you'd like to help..."

Code:
# journalctl -f
Oct 11 21:25:50 svr.itcore.in abrt-notification[9071]: System encountered a non-fatal error in ??()
Oct 11 21:25:50 svr.itcore.in abrt-dump-journal-oops[1546]: abrt-dump-journal-oops: Found oopses: 5
Oct 11 21:25:50 svr.itcore.in abrt-dump-journal-oops[1546]: abrt-dump-journal-oops: Creating problem directories
Oct 11 21:25:50 svr.itcore.in abrt-server[9073]: Deleting problem directory oops-2019-10-11-21:25:50-1546-0 (dup of oops-2019-10-11-21:25:35-1546-0)
Oct 11 21:25:50 svr.itcore.in abrt-notification[9080]: System encountered a non-fatal error in __check_object_size()
Oct 11 21:25:51 svr.itcore.in abrt-server[9084]: Deleting problem directory oops-2019-10-11-21:25:50-1546-1 (dup of oops-2019-10-11-21:25:35-1546-0)
Oct 11 21:25:51 svr.itcore.in abrt-notification[9092]: System encountered a non-fatal error in __check_object_size()
Oct 11 21:25:52 svr.itcore.in abrt-server[9095]: Can't find a meaningful backtrace for hashing in '.'
Oct 11 21:25:52 svr.itcore.in abrt-server[9095]: Option 'DropNotReportableOopses' is not configured
Oct 11 21:25:52 svr.itcore.in abrt-server[9095]: Preserving oops '.' because DropNotReportableOopses is 'no'
Oct 11 21:25:53 svr.itcore.in abrt-notification[9112]: System encountered a non-fatal error in ??()
Oct 11 21:25:53 svr.itcore.in abrt-server[9114]: Deleting problem directory oops-2019-10-11-21:25:50-1546-3 (dup of oops-2019-10-11-21:25:35-1546-0)
Oct 11 21:25:53 svr.itcore.in abrt-notification[9121]: System encountered a non-fatal error in __check_object_size()
Oct 11 21:25:54 svr.itcore.in abrt-dump-journal-oops[1546]: Reported 5 kernel oopses to Abrt
Oct 11 21:25:54 svr.itcore.in abrt-server[9123]: Can't find a meaningful backtrace for hashing in '.'
Oct 11 21:25:54 svr.itcore.in abrt-server[9123]: Option 'DropNotReportableOopses' is not configured
Oct 11 21:25:54 svr.itcore.in abrt-server[9123]: Preserving oops '.' because DropNotReportableOopses is 'no'
Oct 11 21:25:55 svr.itcore.in abrt-notification[9140]: System encountered a non-fatal error in ??()
Oct 11 21:25:55 svr.itcore.in abrt-dump-journal-oops[1546]: abrt-dump-journal-oops: Found oopses: 5
Oct 11 21:25:55 svr.itcore.in abrt-dump-journal-oops[1546]: abrt-dump-journal-oops: Creating problem directories
Oct 11 21:25:55 svr.itcore.in abrt-server[9142]: Deleting problem directory oops-2019-10-11-21:25:55-1546-0 (dup of oops-2019-10-11-21:25:35-1546-0)
Oct 11 21:25:55 svr.itcore.in abrt-notification[9149]: System encountered a non-fatal error in __check_object_size()
Oct 11 21:25:56 svr.itcore.in abrt-server[9152]: Deleting problem directory oops-2019-10-11-21:25:55-1546-1 (dup of oops-2019-10-11-21:25:35-1546-0)
Oct 11 21:25:56 svr.itcore.in abrt-notification[9159]: System encountered a non-fatal error in __check_object_size()
Oct 11 21:25:57 svr.itcore.in abrt-server[9162]: Can't find a meaningful backtrace for hashing in '.'
Oct 11 21:25:57 svr.itcore.in abrt-server[9162]: Option 'DropNotReportableOopses' is not configured
Oct 11 21:25:57 svr.itcore.in abrt-server[9162]: Preserving oops '.' because DropNotReportableOopses is 'no'
Oct 11 21:25:58 svr.itcore.in abrt-notification[9179]: System encountered a non-fatal error in ??()
Oct 11 21:25:58 svr.itcore.in abrt-server[9181]: Deleting problem directory oops-2019-10-11-21:25:55-1546-3 (dup of oops-2019-10-11-21:25:35-1546-0)
Oct 11 21:25:58 svr.itcore.in abrt-notification[9188]: System encountered a non-fatal error in __check_object_size()
Oct 11 21:25:59 svr.itcore.in abrt-dump-journal-oops[1546]: Reported 5 kernel oopses to Abrt
Oct 11 21:25:59 svr.itcore.in abrt-server[9190]: Can't find a meaningful backtrace for hashing in '.'
Oct 11 21:25:59 svr.itcore.in abrt-server[9190]: Option 'DropNotReportableOopses' is not configured
Oct 11 21:25:59 svr.itcore.in abrt-server[9190]: Preserving oops '.' because DropNotReportableOopses is 'no'
Oct 11 21:26:00 svr.itcore.in abrt-notification[9207]: System encountered a non-fatal error in ??()
Oct 11 21:26:00 svr.itcore.in abrt-dump-journal-oops[1546]: abrt-dump-journal-oops: Found oopses: 5
Oct 11 21:26:00 svr.itcore.in abrt-dump-journal-oops[1546]: abrt-dump-journal-oops: Creating problem directories
Oct 11 21:26:00 svr.itcore.in abrt-server[9209]: Deleting problem directory oops-2019-10-11-21:26:00-1546-0 (dup of oops-2019-10-11-21:25:35-1546-0)
Oct 11 21:26:00 svr.itcore.in abrt-notification[9216]: System encountered a non-fatal error in __check_object_size()
Oct 11 21:26:01 svr.itcore.in abrt-server[9218]: Deleting problem directory oops-2019-10-11-21:26:00-1546-1 (dup of oops-2019-10-11-21:25:35-1546-0)
Oct 11 21:26:01 svr.itcore.in abrt-notification[9225]: System encountered a non-fatal error in __check_object_size()
My abrt directory is flooded with thousands of folders:
Code:
# ls -1 /var/spool/abrt/oops-2019-10-11-21*/ | wc -l
6536
What do I do? How do I stop this?
Attached Thumbnails
Click image for larger version Name: abrt.png Views: 47 Size: 109.2 KB ID: 31501  
 
Old 10-11-2019, 12:21 PM   #2
business_kid
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It looks like your logging level is set way too high, and it's whining continually.

I would delete those directories and try to reduce your logging level. google that, i.e. google 'Fedora set log level'
 
Old 10-11-2019, 12:31 PM   #3
ddenial
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Quote:
Originally Posted by business_kid View Post
It looks like your logging level is set way too high, and it's whining continually.

I would delete those directories and try to reduce your logging level. google that, i.e. google 'Fedora set log level'
Everything was fine. I took a snapshot of the root filesystem, installed qbittorrent, didn't like it, so reverted back the snapshot to the previous state. From then on, the problem started.
 
Old 10-11-2019, 12:37 PM   #4
business_kid
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Quote:
Originally Posted by ddenial View Post
Everything was fine. I took a snapshot of the root filesystem, installed qbittorrent, didn't like it, so reverted back the snapshot to the previous state. From then on, the problem started.
My guess is you screwed something in that process. How do you do snapshots? Have you reverted successfully before? It may be better to revert to a clean partition.
 
Old 10-11-2019, 12:46 PM   #5
ddenial
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Quote:
Originally Posted by business_kid View Post
My guess is you screwed something in that process. How do you do snapshots? Have you reverted successfully before? It may be better to revert to a clean partition.
I used following commands to take/revert snapshot. Everything went fine except this oops error.
Code:
# df -h /
Filesystem           Size  Used Avail Use% Mounted on
/dev/mapper/vgh-rfs   98G   12G   82G  13% /

# lvcreate -n snap -s -L5G vgh/rfs
# dnf install qbittorrent
# lvconvert --merge vgh/snap
# reboot
 
Old 10-12-2019, 06:18 AM   #6
business_kid
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Not familiar with those commands at all. I did that search I suggested you do...

Code:
cat /proc/sys/kernel/printk
gets your current kernel log level
Code:
echo 4 > /proc/sys/kernel/printk
puts a sane log level there. You can also use lower numbers, but I wouldn't go below 3. Higher numbers can give log spam, like you're attracting.
 
1 members found this post helpful.
Old 10-12-2019, 06:59 AM   #7
ddenial
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Distribution: CentOS, Fedora, Ubuntu
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Quote:
Originally Posted by business_kid View Post
Not familiar with those commands at all. I did that search I suggested you do...

Code:
cat /proc/sys/kernel/printk
gets your current kernel log level
Code:
echo 4 > /proc/sys/kernel/printk
puts a sane log level there. You can also use lower numbers, but I wouldn't go below 3. Higher numbers can give log spam, like you're attracting.
The output for /proc/sys/kernel/printk was '4 4 1 7'. The Oops message was so intense that it flooded hundreds of messages in minutes, which made me unable to do any work on my PC. I got so irked by that, I reinstalled the whole OS and other packages from the beginning.

Thanks anyway.
 
Old 10-12-2019, 11:54 AM   #8
business_kid
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Grand. Mark this solved. If you're starting linux, Fedora is an awkward one IMO. They have bleeding edge stuff in there, and odd ways of doing things so I often felt like a crash tester for RHEL. The trouble with the bleeding edge is that blood flows - usually yours .
 
Old 10-13-2019, 04:27 AM   #9
ondoho
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Quote:
Originally Posted by ddenial View Post
The output for /proc/sys/kernel/printk was '4 4 1 7'.
On my systems it was
Code:
4	4	1	4
and
Code:
1	4	1	3
 
  


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