https://bugs.kde.org/show_bug.cgi?id=371559

            Bug ID: 371559
           Summary: After a half-day starts slow, freezing and consume CPU
           Product: plasmashell
           Version: 5.8.2
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: ruma...@yandex.ru
                CC: bhus...@gmail.com, plasma-b...@kde.org

In the evening (after a work day) lock the screen, the morning after unlocking
the system slows down, there are delays on all the action, the movement of the
mouse cursor intermittent. Reboot solves the problem to the next iteration.


Reproducible: Always

Steps to Reproduce:
1. Work
2. Lock the screen on a most time
3. Watch




I straced plasmashell process.
When system slowdown:
poll([{fd=3, events=POLLIN}], 1, -1)    = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="g\0\352
3\0\300\1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., iov_len=4096}],
msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 4096
futex(0x20367e4, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20367e0, {FUTEX_OP_SET, 0,
FUTEX_OP_CMP_GT, 1}) = 1
futex(0x20367b8, FUTEX_WAKE_PRIVATE, 1) = 1
poll([{fd=3, events=POLLIN}], 1, -1)    = 1 ([{fd=3, revents=POLLIN}])
recvmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="g\0\352
3\0\300\1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., iov_len=4096}],
msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 4096
futex(0x20367e4, FUTEX_WAKE_OP_PRIVATE, 1, 1, 0x20367e0, {FUTEX_OP_SET, 0,
FUTEX_OP_CMP_GT, 1}) = 1
futex(0x20367b8, FUTEX_WAKE_PRIVATE, 1) = 1
...
repeatly

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