Re: Instability issues with NetBSD-9, xen-4.11 and the xbdb backend driver

[Jaromír Doleček <jaromir.dolecek%gmail.com@localhost>]

FYI - Andrew Doran fixed a mutex issue affecting ZFS under -current,
which might for good fix your issue with xbd - it's tracked under
https://gnats.netbsd.org/55251





Le dim. 3 mai 2020 à 20:10, Jaromír Doleček
<jaromir.dolecek%gmail.com@localhost> a écrit :
>
> Any luck?
>
> Le mar. 14 avr. 2020 à 17:47, Brian Buhrow <buhrow%nfbcal.org@localhost> a écrit :
> >
> >         hello.  I'm using old 5.2 domU's, which are single-cpu systems, as
> > part of my test.  Will these not work?  Also, temporary memory shortages
> > seem like they shouldn't manifest as memory corruption.  In any case, I'll
> > try to update the dom0 to -current and give things a whirl.
> > -thanks
> > -Brian
> >
> > On Apr 14,  8:42am, =?UTF-8?B?SmFyb23DrXIgRG9sZcSNZWs=?= wrote:
> > } Subject: Re: Instability issues with NetBSD-9, xen-4.11 and the xbdb backe
> > } Le lun. 13 avr. 2020 à 23:41, Brian Buhrow <buhrow%nfbcal.org@localhost> a écrit :
> > } >
> > } >         hello.  I haven't tried working on this since I reported the pr.  I
> > } > think it's actually a zfs related issue, since if I don't use zfs, I can't
> > } > reproduce the problem.  Do you believe the zfs memory corruptions have been
> > } > fixed in -current?
> > }
> > } It's possible the grant interface upgrade helped. So if you can try,
> > } please do - I don't have zfs setup myself. You need to update both
> > } Dom0 and DomU to -current to take advantage of that.
> > }
> > } It could be only that zfs is just way more memory hungry, and there
> > } are temporary memory shortages because of that.
> > }
> > } Also, Manuel just fixed the MP bug in -current, so MP DomUs should now
> > } again work without performance issues.
> > }
> > } Jaromir
> > }
> > >-- End of excerpt from =?UTF-8?B?SmFyb23DrXIgRG9sZcSNZWs=?=
> >
> >