Re: [Regression] sshd hangs on close

[Andrew Morton]

On Sat, 30 Aug 2008 22:28:57 +0200 "Rafael J. Wysocki" <rjw@xxxxxxx> wrote:

> [Adding CCs]
> 
> On Saturday, 30 of August 2008, Matthias Urlichs wrote:
> > "top" sees multiple instances of:
> > 
> >  6008 root      20 3184 D    0   0:00.06 flush_cpu sshd: root@pts/13            
> > 
> > This is 2.6.27rc5, preemption and tickless turned on, on a 4-CPU machine.
> > (OK, two hyperthreaded ones :-P) strace() shows that this happens on the
> > last close of its /dev/ptmx file descriptor, which hangs.
> > 
> > I'll do a bisect early next week unless somebody else identifies a likely
> > suspect.
> > 

Please do `echo w > /proc/sysrq-trigger', send the resulting trace.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/