Re: [Xen-devel] backport c1d322e6048796296555dd36fdd102d7fa2f50bf to all stable trees

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

Il 26/02/2015 14:02, Stefano Stabellini ha scritto:
> Hi all,
>
> I would like to request a backport of
>
> commit c1d322e6048796296555dd36fdd102d7fa2f50bf
> Author: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> Date:   Wed Dec 3 08:15:19 2014 -0500
>
>      xen-hvm: increase maxmem before calling xc_domain_populate_physmap
Seems that this fixes is applied only in 
staging/qemu-upstream-unstable.git (of xen's gits) but still not in 
qemu-upstream-unstable.git or stables ones.
Can be the cause of strange problem of "loop" of increase memory failing 
on hvm domUs start with xen 4.4, 4.5 and unstable with newer kernel even 
if domUs and dom0 have all fixed memory settings with balloning disabled?
Or is another memory bug in xen?
I have syslog and kern.log increasing some gb each days full of:
xen:balloon: reserve_additional_memory: add_memory() failed: -17
in one 4.5.0 dom0 also with kernel 3.16.7-ckt4-3~bpo70+1 with these 
applied: [xen] cancel ballooning if adding new memory failed (Closes: 
#776448)
Thanks for any reply and sorry for my bad english.

> to all QEMU stable trees. Which ones are the currently maintained trees?
>
> It applies without issues to 2.2, 2.1, 2.0, 1.7, 1.6, 1.5.
> The filename in the commit needs to be changed from xen-hvm.c to
> xen-all.c for 1.4, 1.3, 1.2, 1.1.  I didn't go father back.
>
> Thanks,
>
> Stefano
>
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