Updating bug to include msgstress04 failure.
msgstress04 - part of log from F aws : 5.4.0-1026.26 : amd64
12969. 09/23 17:30:15 DEBUG| utils:0153| [stdout] startup='Wed Sep 23 17:11:41
2020'
12970. 09/23 17:30:15 DEBUG| utils:0153| [stdout] msgstress04 0 TINFO : Found
32000 available message
msgstress03 and msgstress04 is failing with similar behavior on Focal
aws : 5.4.0-1026.26 : amd64
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Title:
ltp-syscalls: msgstress03 fails
** Tags added: sru-20200921
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Title:
ltp-syscalls: msgstress03 fails because systemd limits number of
processes
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** Tags added: sru-20200629
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Title:
ltp-syscalls: msgstress03 fails because systemd limits number of
processes
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** Tags added: 5.0
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Title:
ltp-syscalls: msgstress03 fails because systemd limits number of
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** Tags added: sru-20200217
** Tags added: gcp
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Title:
ltp-syscalls: msgstress03 fails because systemd limits number of
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** Tags added: gke
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Title:
ltp-syscalls: msgstress03 fails because systemd limits number of
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** Tags added: sru-20200127
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Title:
ltp-syscalls: msgstress03 fails because systemd limits number of
processes
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** Tags added: 5.3
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Title:
ltp-syscalls: msgstress03 fails because systemd limits number of
processes
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** Tags added: sru-20200106
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Title:
ltp-syscalls: msgstress03 fails because systemd limits number of
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** Tags added: azure
** Also affects: linux-azure (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux (Ubuntu Cosmic)
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: systemd (Ubuntu Bionic)
Importance:
This failure occurs in the cloud, on amazon aws, it can be reproduced on
c4/c5.large abd c5.metal
where it passes on c5n.xlarge / i3.metal m3.large m4.large.
I will try the suggested steps above on one of the affected flavor types
and see if we can get to the bottom of this.
** Changed in:
** Tags added: sru-20191202
** Tags added: s390x
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Title:
ltp-syscalls: msgstress03 fails because systemd limits number of
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To
** Changed in: ubuntu-kernel-tests
Status: New => Triaged
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Title:
ltp-syscalls: msgstress03 fails because systemd limits number of
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: systemd (Ubuntu Xenial)
Importance: Undecided
Status: New
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** Tags added: amd64 linux-kvm sru-20190603 ubuntu-ltp-syscalls
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Title:
ltp-syscalls: msgstress03 fails because systemd limits number of
Hi,
I recommend you to change your test system.
For example, you can modify /etc/systemd/system.conf and change DefaultTasksMax
there. But that is for the systemd started units...
Note that TasksMax these days can accept % values of kernel configured max
tasks too, meaning i.e. one can set it
The number of processes (in systemd, tasks).
The command below works for me.
Now, should we change the default on our test systems? Running under
systemd-run does not look like a good option.
# systemd-run -p TasksMax=100 ./testcases/bin/msgstress03
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What about calling it like this:
$ sudo systemd-run ./testcases/bin/msgstress03
Does that make it pass correctly?
Which resource in particular is exhausted? and can it be toggled somehow
using any of
https://www.freedesktop.org/software/systemd/man/systemd.directives.html
?
** Changed in:
** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
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Title:
ltp-syscalls: msgstress03 fails because systemd limits
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