On 10 Sep 2014, at 2:48 pm, renayama19661...@ybb.ne.jp wrote: > Hi Andrew, > > I confirmed it in various ways. > > The conclusion varies in movement by a version of glib. > * The problem occurs in RHEL6.x. > * The problem does not occur in RHEL7.0. > > And this problem is solved in glib of a new version. > > A change of next glib seems to solve a problem in a new version. > * > https://github.com/GNOME/glib/commit/91113a8aeea40cc2d7dda65b09537980bb602a06#diff-fc9b4bb280a13f8e51c51b434e7d26fd > > Many users expect right movement in old glib. > * Till it shifts to RHEL7... > > Do you not make modifications in Pacemaker to support an old version? > * Model it on old G_xxxx() function.
I'll file a bug against glib on RHEL6 so that it gets fixed there. Can you send me your simple reproducer program? > > Best Regards, > Hideo Yamauchi. > > > > ----- Original Message ----- >> From: Andrew Beekhof <and...@beekhof.net> >> To: renayama19661...@ybb.ne.jp >> Cc: The Pacemaker cluster resource manager <pacemaker@oss.clusterlabs.org> >> Date: 2014/9/8, Mon 19:55 >> Subject: Re: [Pacemaker] [Problem] lrmd detects monitor time-out by revision >> of the system time. >> >> >> On 8 Sep 2014, at 7:12 pm, renayama19661...@ybb.ne.jp wrote: >> >>> Hi Andrew, >>> >>>>>>> I confirmed some problems, but seem to be caused by the >> fact that >>> >>>> an event >>>>>> occurs somehow or other in g_main_loop of lrmd in the period >> when it is >>>> shorter >>>>>> than a monitor. >>>>>> >>>>>> So if you create a trivial program with g_main_loop and a >> timer, and >>>> then change >>>>>> the system time, does the timer expire early? >>>>> >>>>> Yes. >>>> >>>> That sounds like a glib bug. Ideally we'd get it fixed there rather >> than >>>> work-around it in pacemaker. >>>> Have you spoken to them at all? >>>> >>> >>> >>> No. >>> I investigate glib library a little more. >>> And I talk with community of glib. >>> >>> I may talk again afterwards. >> >> Cool. I somewhat expect them to say "working as designed". >> Which would be unfortunate, but it shouldn't be too hard to work around. >>
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