search for: unreponsive

...uses kmail/desktop to hang System Config, KDE Neon LTS 5.8.7, Nouveau driver 1:1.0.12-2 as described by Ubuntu 16.04.1 LTS. Nvidia GeForce GTX570M, kmail 5.5.2. Kmail will become unresponsive when attempting to scroll or click left on an email. Sometimes just the controls/buttons in kmail will be unreponsive but sometimes the whole desktop will become unreponsive and freeze, requiring a ALT-SYSRq RSEIUB command to reboot system, ALT-F1 not working. If instead I use the Nvidia 375 driver the problem disappears, so this problem seems to be related to the use of the Nouveau driver. syslog reports the foll...

Just adding a few more details to the previous mail so that I can avoid some trouble for you folks. 1. I have done a /execname != "dtrace"/ to avoid dtrace itself causing more syscalls to be fired. 2. I have also supressed the printing on the terminal which makes dtrace slower. And what happens is this: dtrace -qn ''syscall::read:entry /execname != "dtrace"/ {

...it Component: Driver/nouveau Product: xorg Created attachment 101915 --> https://bugs.freedesktop.org/attachment.cgi?id=101915&action=edit linux 3.15.1 On kernels after ~3.14, some time after nouveau fails to initialize (<60 seconds) ~all of userland becomes mostly unreponsive (cpu time preemption?) [dmesg1]. The 'unresponsive' behavior starts at around the same time 56.740245 happens. I bisected, and found the first commit where this happens is 1f1ac3bf2a804911ad46076b10ce15364237a698. Removing this commit causes the previous behavior: initialization fails as u...

I am not sure if it''s a xen bug or lvm bug, or just my bad hardware, but here''s how to reproduce: /dev/vg0/centos1 is lvm block used by a domainU, it''s 8G in size. #lvcreate -L8192M -s -n snap1 vg0 #mount /dev/vg0/snap1 /mnt do some copying files here #umount /mnt #lvremove /dev/vg0/snap1 not removed! it says can''t allocated memory #xm mem-set 0 512 #lvremove