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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - systemd-journald eats 100% CPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=61191#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - systemd-journald eats 100% CPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=61191">bug 61191</a>
from <span class="vcard"><a class="email" href="mailto:synytsky@fastmail.net" title="Maxym Synytsky <synytsky@fastmail.net>"> <span class="fn">Maxym Synytsky</span></a>
</span></b>
<pre>There were a couple of reboots since then, so things changed.
I cannot see any more EPIPE error messages. As for the rest, the issue is still
reproducible.
Currently strace shows the following:
clock_gettime(CLOCK_REALTIME, {1362639311, 615760612}) = 0
clock_gettime(CLOCK_REALTIME, {1362639311, 615791280}) = 0
writev(6, [{"<46>", 4}, {"systemd-journald", 16}, {"[21669]: ", 9}, {"Sleeping
for 17492137 ms", 24}, {"\n", 1}], 5) = 54
epoll_wait(7, {?} 0xbfcf939c, 1, 17492137) = 1
read(8, "46,5081212822,316432051764,-;sys"..., 8192) = 79
clock_gettime(CLOCK_REALTIME, {1362639311, 615929585}) = 0
clock_gettime(CLOCK_REALTIME, {1362639311, 615959991}) = 0
writev(6, [{"<46>", 4}, {"systemd-journald", 16}, {"[21669]: ", 9}, {"Sleeping
for 17492137 ms", 24}, {"\n", 1}], 5) = 54
epoll_wait(7, {?} 0xbfcf939c, 1, 17492137) = 1
read(8, "46,5081212823,316432051770,-;sys"..., 8192) = 79
clock_gettime(CLOCK_REALTIME, {1362639311, 616098321}) = 0
clock_gettime(CLOCK_REALTIME, {1362639311, 616128761}) = 0
writev(6, [{"<46>", 4}, {"systemd-journald", 16}, {"[21669]: ", 9}, {"Sleeping
for 17492137 ms", 24}, {"\n", 1}], 5) = 54
epoll_wait(7, {?} 0xbfcf939c, 1, 17492137) = 1
read(8, "46,5081212824,316432051776,-;sys"..., 8192) = 79
clock_gettime(CLOCK_REALTIME, {1362639311, 616266463}) = 0
clock_gettime(CLOCK_REALTIME, {1362639311, 616296821}) = 0
writev(6, [{"<46>", 4}, {"systemd-journald", 16}, {"[21669]: ", 9}, {"Sleeping
for 17492137 ms", 24}, {"\n", 1}], 5) = 54
epoll_wait(7, {?} 0xbfcf939c, 1, 17492137) = 1
read(8, "46,5081212825,316432051782,-;sys"..., 8192) = 79
clock_gettime(CLOCK_REALTIME, {1362639311, 616434289}) = 0
clock_gettime(CLOCK_REALTIME, {1362639311, 616464762}) = 0
writev(6, [{"<46>", 4}, {"systemd-journald", 16}, {"[21669]: ", 9}, {"Sleeping
for 17492137 ms", 24}, {"\n", 1}], 5) = 54
epoll_wait(7, {?} 0xbfcf939c, 1, 17492137) = 1
read(8, "46,5081212826,316432051788,-;sys"..., 8192) = 79
Descriptors 6, 7 and 8 are as follows:
# ls -l /proc/21669/fd/6
l-wx------ 1 root root 64 Mar 7 00:29 /proc/21669/fd/6 -> /dev/kmsg
# ls -l /proc/21669/fd/7
lrwx------ 1 root root 64 Mar 7 00:29 /proc/21669/fd/7 ->
anon_inode:[eventpoll]
# ls -l /proc/21669/fd/8
lrwx------ 1 root root 64 Mar 7 00:29 /proc/21669/fd/8 -> /dev/kmsg
#
BTW, when I set Storage=none the issue is not reproducible so I think this
might be something with writing the logs.
So at the moment I can control and trigger this behaviour - set Storage back to
the default value and restart journald.
If you need strace just after the journald restart I can try to get it.</pre>
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