[mythtv] Ticket #10770: backend stops responding
David Engel
david at istwok.net
Fri Jul 6 17:20:14 UTC 2012
On Fri, Jul 06, 2012 at 12:34:49PM -0400, Steven Adeff wrote:
> On Fri, Jul 6, 2012 at 12:11 PM, David Engel <david at istwok.net> wrote:
> > On Fri, Jul 06, 2012 at 11:24:01AM -0400, Steven Adeff wrote:
> >> On Fri, Jul 6, 2012 at 11:19 AM, <noreply at mythtv.org> wrote:
> >> > #10770: backend stops responding
> >> > --------------------------------------------+----------------------------
> >> > Reporter: Steven Adeff <adeffs.mythtv@…> | Owner: gigem
> >> > Type: Bug Report - General | Status: closed
> >> > Priority: minor | Milestone: 0.25.2
> >> > Component: MythTV - Scheduling | Version: 0.25-fixes
> >> > Severity: medium | Resolution: fixed
> >> > Keywords: | Ticket locked: 0
> >> > --------------------------------------------+----------------------------
> >> > Changes (by David Engel <dengel@…>):
> >> >
> >> > * status: infoneeded => closed
> >> > * resolution: => fixed
> >> >
> >> >
> >> > Comment:
> >> >
> >> > In [changeset:ca273324961b95e300890ed40e833249b5460bd8/mythtv]:
> >> > {{{
> >> > #!CommitTicketReference repository="mythtv"
> >> > revision="ca273324961b95e300890ed40e833249b5460bd8"
> >> > Hopefully remove more scheduler/recorder deadlocks.
> >> >
> >> > Change the scheduler to unlock schedLock when calling the recorder
> >> > synchronously. If the recorder happens to be calling the scheduler at
> >> > the same time, this allows the recorder's call to grab the lock as
> >> > needed.
> >> >
> >> > Fixes #10647, #10770 and #10771 .
> >> > }}}
> >>
> >> will this be backported to 0.25?
> >
> > Yes, but probably not for a few days to make sure it doesn't cause
> > unexpected problems in master. If you'd like to try it yourself on
> > 0.25, there is only one hunk that fails to apply and it's trivial to
> > fix by hand.
>
> I'm currently running the patch attached to this ticket, is that the
> same fix? it's almost run for an entire day no issues yet, but I would
> give it 72hrs before saying conclusively.
The core changes are the same. The newer version adds some protection
against an obscure and unexpected race condition and won't miss
sending a SCHEDULE_CHANGE event.
David
--
David Engel
david at istwok.net
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