The reporter is having expectations from the kernel which are not satisfied.
In this case that (realttime) behavior is for a large part defined by the
kernel configuration. And that has consciously been decided upon by the kernel
team.
As such not a bug.
However, we do not need to let the report
Kay,
With RHEL 1000Hz I would expect <1ms delays. So there's something funny
as well.
As for ppol using ns precision to specify the timeout is the future.
Otherwise you end up changing the interface every 2 years (due to Moores
law).
As for your unique key, you could simply use the uptime. That
Hello,
according the ps sources, the ELF note is the only reliable way to get
the hands on the period one jiffy in /proc represents. The issue at hand
is that I have implemented lock files that contain a "life" information
from a process that is supposed to be unique, by combining the start
time a
Hello,
please find attached the output of dmesg from the Ubuntu machine. Please
ignore the NVidia modules, this is only a recent change that I made,
because xserver-xorg-driver-nv started to segfault too badly. The
problem existed before. The only other noteworthy difference is that I
am using the
Hello,
please find attached the output of one of our RHEL machines with
comparable hardware. We normally use HP G5 machines, but that is a
normal desktop PC with Dual Core too. The claim is that the problem
shows relatively hardware independent. I must admit, that we never use
the same hardware wi
Umm, should've been more clear perhaps...
Grep for PREEMPT on the ubuntu and redhat kernel configurations (usually
located in /boot/config*). Also of interest are then the various HZ related
config items (hint grep HZ /boot/config-..).
And a diff between the redhat dmesg and ubuntu dmesg could a
Hi Kay,
There are a couple of things you could check and/or add here as you
provide very little information.
First of all, your kernel, -4, is relatively old. At the moment -16 is
the released kernel and -19 is the latest security update. Could you
please test with that one?
Could you please add