Re: kern/54817 (kernel stall in radeon_gem_object_create)

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

The following reply was made to PR kern/54817; it has been noted by GNATS.

From: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
To: mrg%netbsd.org@localhost
Cc: gnats-bugs%netbsd.org@localhost, tsutsui%ceres.dti.ne.jp@localhost
Subject: Re: kern/54817 (kernel stall in radeon_gem_object_create)
Date: Thu, 19 Mar 2020 02:49:07 +0900

 > > > for the ENOMEM failures in PR/54817 can you try something with
 > > > my latest change to include/drm/bus_dma_hacks.h (1.20) ?
 > > > 
 > > > this has a chance of allowing ENOMEM to be avoided, and if it
 > > > doesn't help for you still, there is another method we can use
 > > > to avoid any alloc at all i think.
 > > 
 > > I'll check this later.
 > 
 > The "*ERROR* Failed to allocate GEM object" message didn't appear
 > for ~three hour load, but now I get the following kernel fault:
  :
 > But maybe this is yet another problem on memory shortage?
 > 
 > I'll continue to check if the original radeon gem error occurs or not.
 
 "*ERROR* Failed to allocate GEM object" no longer occurs for 4 weeks.
 I assume it's fixed by include/drm/bus_dma_hacks.h rev 1.20
  http://www.nerv.org/netbsd/?q=id:20200220T090739Z
 and it should be pulled up to netbsd-9.
 
 Thanks,
 
 ---
 Izumi Tsutsui