> -----Original Message----- > From: Ian Jackson <[email protected]> > Sent: 27 November 2019 11:10 > To: Durrant, Paul <[email protected]> > Cc: Ian Jackson <[email protected]>; George Dunlap > <[email protected]>; Juergen Gross <[email protected]>; Stefano > Stabellini <[email protected]>; Julien Grall <[email protected]>; Wei > Liu <[email protected]>; Paul Durrant <[email protected]>; Andrew Cooper > <[email protected]>; Konrad Rzeszutek Wilk > <[email protected]>; Marek Marczykowski-Górecki > <[email protected]>; Hans van Kranenburg <[email protected]>; > Jan Beulich <[email protected]>; [email protected] > Subject: RE: [Xen-devel] [PATCH for-4.13 2/2] Rationalize max_grant_frames > and max_maptrack_frames handling > > Durrant, Paul writes ("RE: [Xen-devel] [PATCH for-4.13 2/2] Rationalize > max_grant_frames and max_maptrack_frames handling"): > > > -----Original Message----- > > > From: Xen-devel <[email protected]> On Behalf Of > Ian > > > Jackson > > > I have seen reports of users who ran out of grant/maptrack frames > > > because of updates to use multiring protocols etc. The error messages > > > are not very good and the recommended workaround has been to increase > > > the default limit on the hypervisor command line. > > > > > > It is important that we don't break that workaround! > > > > Alas it has apparently been broken for several releases now :-( > > I guess at least in Debian (where I have seen this) we haven't > released with any affected versions yet...
I believe the problem was introduce in 4.10, so I think it would be prudent to also back-port the final fix to stable trees from then on. Paul > > Ian. _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
