[Bug 45018] [bisected] rendering regression and va conflicts since added support for virtual address space on cayman v11

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=45018

--- Comment #113 from Alexandre Demers <alexandre.f.demers at gmail.com> 2012-08-09 05:20:04 UTC ---
(In reply to comment #112)
> (In reply to comment #111)
> > (In reply to comment #110)
> > > I just pushed a minor bugfix to mesa master, that in conjunction with Jeromes
> > > kernel patch should eliminate the last VA issues.
> > > 
> > > Please retest it again.
> > > 
> > > Christian.
> > 
> > You must be refering to commit 8c44e5a144009a03c20befa6468d19d41c802795. Do I
> > still need to apply your previous patch also (attachment 65093 [details] [review] [review])? I'll try it
> > tonight, but it may take a bit more complicated to reproduce, I'll have to play
> > for a while until it does or doesn't trigger the last reported vm error.
> 
> Well, I tested it with your previous patch on top of
> 68bccc40f55aee7f4af8eb64b15a95f0b49d6a17 and it was not working properly.
> First, I had to modify your patch to apply on top of latest git. After applying
> it, compiling and installing, I rebooted and I was unable to load the logging
> screen. I removed the patch, rebuilt a clean mesa from
> 68bccc40f55aee7f4af8eb64b15a95f0b49d6a17, installed and relaunched Xorg and...
> I was able to log in. So I'm now testing latest mesa
> (68bccc40f55aee7f4af8eb64b15a95f0b49d6a17) with kernel 3.6-rc1 + Jerome's
> patch. I should be able to tell you soon if it works. Meanwhile, if I should
> have applied something different, let me know.
> 
> To Jerome: I could test your [PATCH] drm/radeon: delay virtual address
> destruction to bo destruction. But first, I want to make sure Christian's patch
> does what it should do.

Bug still there with latest mesa git (without your previous patch as explained
previously).
Aug  9 01:03:29 Xander kernel: [13308.165749] radeon 0000:01:00.0: offset
0x400000 is in reserved area 0x800000
Aug  9 01:03:29 Xander kernel: [13308.232245] radeon 0000:01:00.0: bo
ffff880223646400 va 0x02B00000 conflict with (bo ffff8801e3edc400 

Locked and reset without any notice.

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