Created attachment 862996 [details]
Details from /var/log/messages
3.11 works find, but I get this with 3.12
It doesn't happen under light load. I'm running several GPS units over serial and USB to ntpd and gpsd.
Created attachment 862998 [details]
more from /var/log/messages
Sorry for the clutter. I poked something I didn't intend to.
Typo: 3.11 works fine.
I have many samples in the log files. tty_flip_buffer_push is in all of them.
I reported issue upstream.
For know please use 3.11 kernel.
Patch for this bug was merged to tty-next (now law_latency has no effect on tty layer, it can be used as hint to h/w driver though):
Josh, please apply it fix for this bug.
Fixed in git. Thanks!
kernel-3.13.5-202.fc20 has been submitted as an update for Fedora 20.
kernel-3.13.5-103.fc19 has been submitted as an update for Fedora 19.
* should fix your issue,
* was pushed to the Fedora 20 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing kernel-3.13.5-202.fc20'
as soon as you are able to, then reboot.
Please go to the following url:
then log in and leave karma (feedback).
kernel-3.13.5-202.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.
kernel-3.13.5-103.fc19 has been pushed to the Fedora 19 stable repository. If problems still persist, please make note of it in this bug report.
*** Bug 1081017 has been marked as a duplicate of this bug. ***