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clearlinux / swupd-client

Software update client
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swupd stuck maxing out one core for over 12 hours #1070

Closed jonjonasson closed 5 years ago

jonjonasson commented 5 years ago

Describe the bug swupd auto-update consumes 100% of one cpu core for more than 12 hours at 3,8 GHz. Auto-updates had been working fine for about 6 months.

sudo journalctl | grep -i swupd showed no errors.

sudo strace -p pgrep swupd showed these three lines over and over very fast:

rt_sigaction(SIGPIPE, NULL, {sa_handler=SIG_IGN, sa_mask=, sa_flags=SA_RESTORER, sa_restorer=0x7fe200ddd1c0}, 8) = 0
rt_sigaction(SIGPIPE, {sa_handler=SIG_IGN, sa_mask=, sa_flags=SA_RESTORER, sa_restorer=0x7fe200ddd1c0}, NULL, 8) = 0
rt_sigaction(SIGPIPE, {sa_handler=SIG_IGN, sa_mask=, sa_flags=SA_RESTORER, sa_restorer=0x7fe200ddd1c0}, NULL, 8) = 0

To Reproduce Unable to reproduce. Worked after a reboot.

Expected behavior Finish updating in a reasonable time.

Environment:

otaviobp commented 5 years ago

We investigated that bug and I could reproduce it here. The fix was part of PR #1069, so it's closed now and should be available on next swupd release. Swupd was getting into an infinity loop waiting for curl response when there were some connectivity errors during the download. If you see this problem again try to restart swupd. And if you see that in a new swupd version (> 3.21.0) please reopen the bug.

Thanks

phmccarty commented 5 years ago

@otaviobp Did you intend to link to #1061 instead of #1069?

otaviobp commented 5 years ago

Yes, sorry, 1069 is completly unrelated. Bad copy and paste. thanks