https://bugs.kde.org/show_bug.cgi?id=372991
Martin Sandsmark changed:
What|Removed |Added
Resolution|--- |UPSTREAM
Status|CONFIRMED
https://bugs.kde.org/show_bug.cgi?id=372991
Peter Wu changed:
What|Removed |Added
See Also||https://bugs.kde.org/show_b
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https://bugs.kde.org/show_bug.cgi?id=372991
--- Comment #19 from Peter Wu ---
This bug is possibly resolved in the Linux kernel with this commit:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=77dae6134440420bac334581a3ccee94cee1c054
This change (v4.11-rc2-16-
https://bugs.kde.org/show_bug.cgi?id=372991
Simon Andric changed:
What|Removed |Added
CC||simonandr...@gmail.com
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--- Comment #18 from Martin Sandsmark ---
> What do you use for "quickly" triggering the issue? Something automated would
> be awesome :)
I started by trying to do that by automatically launching xxd in the background
and then sleeping and killall xxd
https://bugs.kde.org/show_bug.cgi?id=372991
--- Comment #17 from Peter Wu ---
Created attachment 104751
--> https://bugs.kde.org/attachment.cgi?id=104751&action=edit
smaller kernel config that is able to boot archiso
(In reply to Martin Sandsmark from comment #15)
> Well, it wasn't that commit
https://bugs.kde.org/show_bug.cgi?id=372991
--- Comment #16 from Martin Sandsmark ---
also, I'm not sure if I'm somehow triggering this bug instead sometimes (or if
these are related): https://bugs.kde.org/show_bug.cgi?id=230184
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--- Comment #15 from Martin Sandsmark ---
Well, it wasn't that commit, managed to reproduce it with that reverted.
Running an arch install pretty similar to your setup but with virtualbox. Also
made an unholy mess of shell scripts that seems to trigger
https://bugs.kde.org/show_bug.cgi?id=372991
--- Comment #14 from Peter Wu ---
(In reply to Martin Sandsmark from comment #13)
> Are you sure that 4.1 was okay?
Not sure if it was okay, but I wasn't able to reproduce the issue. The
difficult/annoying thing is that some versions easily trigger the
https://bugs.kde.org/show_bug.cgi?id=372991
Martin Sandsmark changed:
What|Removed |Added
CC||martin.sandsm...@kde.org
--- Comment #13 fro
https://bugs.kde.org/show_bug.cgi?id=372991
--- Comment #12 from Peter Wu ---
Proposed patch: https://git.reviewboard.kde.org/r/129984/
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--- Comment #11 from Peter Wu ---
Looks like a race condition. Reproduced in QEMU 2.8.0 with Arch Linux and
Konsole 16.12.2 with plasma-desktop 5.9.3 (and also openbox). Cannot reproduce
with just one CPU (need -smp 2 or more). Command to start QEMU:
q
https://bugs.kde.org/show_bug.cgi?id=372991
--- Comment #10 from Peter Wu ---
(In reply to Hello71 from comment #5)
> this is clearly some type of race condition, since it only breaks sometimes.
>
> you can try "taskset -c 0 konsole", which for me fixes the problem.
Even with "tasksel -c 0 kons
https://bugs.kde.org/show_bug.cgi?id=372991
--- Comment #9 from Egmont Koblinger ---
Without having looked at the code, I'm wondering how FIONREAD can return 0... I
mean I guess it's preceded by a select() or similar that waits for data to
appear, and the reason for reaching FIONREAD is that it s
https://bugs.kde.org/show_bug.cgi?id=372991
--- Comment #8 from Peter Wu ---
Created attachment 104086
--> https://bugs.kde.org/attachment.cgi?id=104086&action=edit
debug patch
I have traced the issue into kpty, KPtyDevicePrivate::_k_canRead.
The ioctl(q->masterFd, FIONREAD, &available) retur
https://bugs.kde.org/show_bug.cgi?id=372991
Egmont Koblinger changed:
What|Removed |Added
CC||egm...@gmail.com
--- Comment #7 from Egmont
https://bugs.kde.org/show_bug.cgi?id=372991
--- Comment #6 from Kurt Hindenburg ---
>From what I can tell, KDE4 Konsole doesn't have this issue. It appears the
conversion to KF5 introduced this.
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--- Comment #5 from Hello71 ---
this is clearly some type of race condition, since it only breaks sometimes.
you can try "taskset -c 0 konsole", which for me fixes the problem.
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Hello71 changed:
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CC||alex_y...@yahoo.ca
--- Comment #4 from Hello71 ---
*
https://bugs.kde.org/show_bug.cgi?id=372991
Kurt Hindenburg changed:
What|Removed |Added
Status|UNCONFIRMED |CONFIRMED
Ever confirmed|0
https://bugs.kde.org/show_bug.cgi?id=372991
Patrick Rudolph changed:
What|Removed |Added
CC||patrick.rudolph@br-automati
https://bugs.kde.org/show_bug.cgi?id=372991
--- Comment #1 from Peter Wu ---
Other reproducers:
xxd /dev/urandom
yes | nl
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Peter Wu changed:
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Attachment #102469|application/x-tar |application/x-gzip
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