[Bug 1871129] Re: htop is blank when using in focal in wsl1
Rafael David Tinoco
rafaeldtinoco at ubuntu.com
Tue Apr 7 18:22:56 UTC 2020
The issue is happening because WSL is currently not POSIX compliant and
any call to glibc that uses CLOCK_REALTIME will fail with EINVAL (-1)
(such as clock_gettime() or clock_nanosleep()). It is likely that a
glibc change has made this to appear (instead of the htop different
version).
Upstream related bugs:
https://github.com/microsoft/WSL/issues/2503
https://github.com/microsoft/WSL/issues/4898 <- opened and being worked
--
htop strace output:
12324 read(4, "htop\0", 4096) = 5
12324 read(4, "", 4091) = 0
12324 close(4) = 0
12324 getdents64(3, /* 0 entries */, 32768) = 0
12324 close(3) = 0
12324 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=0, tv_nsec=75000000}, 0x7ffff6dce7b0) = -1 EINVAL (Invalid argument)
12324 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=0, tv_nsec=75000000}, 0x7ffff6dce7b0) = -1 EINVAL (Invalid argument)
12324 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=0, tv_nsec=75000000}, 0x7ffff6dce7b0) = -1 EINVAL (Invalid argument)
12324 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=0, tv_nsec=75000000}, 0x7ffff6dce7b0) = -1 EINVAL (Invalid argument)
12324 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=0, tv_nsec=75000000}, 0x7ffff6dce7b0) = -1 EINVAL (Invalid argument)
12324 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=0, tv_nsec=75000000}, 0x7ffff6dce7b0) = -1 EINVAL (Invalid argument)
12324 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=0, tv_nsec=75000000}, 0x7ffff6dce7b0) = -1 EINVAL (Invalid argument)
12324 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=0, tv_nsec=75000000}, 0x7ffff6dce7b0) = -1 EINVAL (Invalid argument)
12324 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=0, tv_nsec=75000000}, 0x7ffff6dce7b0) = -1 EINVAL (Invalid argument)
... <indefinitely>
--
As a workaround a software can use monotonic clock instead but changing
glibc specific function clocks is likely a no-go at this point in time
(specially if just for WSL).
** Bug watch added: github.com/microsoft/WSL/issues #2503
https://github.com/microsoft/WSL/issues/2503
** Bug watch added: github.com/microsoft/WSL/issues #4898
https://github.com/microsoft/WSL/issues/4898
** Also affects: glibc (Ubuntu)
Importance: Undecided
Status: New
** Changed in: glibc (Ubuntu)
Status: New => Confirmed
** Changed in: glibc (Ubuntu)
Importance: Undecided => Medium
** Changed in: htop (Ubuntu)
Assignee: Rafael David Tinoco (rafaeldtinoco) => (unassigned)
--
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https://bugs.launchpad.net/bugs/1871129
Title:
htop is blank when using in focal in wsl1
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