Messages in this thread | | | Date | Sat, 30 Aug 2008 14:14:31 -0700 | From | Andrew Morton <> | Subject | Re: [Regression] sshd hangs on close |
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On Sat, 30 Aug 2008 22:28:57 +0200 "Rafael J. Wysocki" <rjw@sisk.pl> 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.
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