BUG: soft lockup - CPU#3 stuck for 22s! [httpd:1889]

[Steven P. Ulrick]

On Mon, 23 Dec 2013 12:02:49 +0100
Mateusz Marzantowicz <mmarzantowicz at osdf.com.pl> wrote:

> On 23.12.2013 03:30, Steven P. Ulrick wrote:
> > Hello, Everyone
> > I just ran "yum update" and rebooted.  Some time not long after that
> > reboot, I started getting message like this:
> > Dec 22 20:11:26 afolkey2 kernel: [ 4130.161465] BUG: soft lockup -
> > CPU#3 stuck for 22s! [httpd:1889]
> >
> > [...]
> >
> > I rebooted into an older kernel and have not had any more of these
> > messages popping up.
> > 
> > Eventually, my system became unresponsive and I had to reboot.
> 
> To clarify, does it happen with old or new kernel?

New Kernel:
kernel-3.12.5-302.fc20.x86_64
> 
> > 
> > I am running Fedora 20 (fully updated)
> > Installation method: fedup
> > 
> > Any ideas?
> > 
> 
> It looks like httpd is hanging somewhere doing something and kernel
> detects this. It might also be that your system is busy on doing I/O
> operations etc. and httpd process is blocked waiting for CPU time.

Guess I'll reboot into the new/problematic kernel and see if it happens
again.

Steven P. Ulrick