** Changed in: linux (Ubuntu)
Status: Confirmed => In Progress
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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With a lot of CPUs the kugepaged seems to get swamped:
[ 1407.710482] INFO: task systemd:1 blocked for more than 120 seconds.
[ 1407.710490] Not tainted 4.4.0-21-generic #37-Ubuntu
[ 1407.710491] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 1407.710544] INFO:
Can you check if this system is running with swap. A swapless system can
with overcommit may lend itself to this kind of failure.
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Tit
Resolved issue, pushed a fix to http://kernel.ubuntu.com/git/cking
/stress-ng.git/commit/?id=1181d5c0913df0786e27ce10134a146deda261a6
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** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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Title:
unshare test in ubuntu_stress_smoke_test cause OOM
Tested with an older kernel 4.4.0-104, it will still OOM on this system.
So we can say that this is not a regression.
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Title:
unshar
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