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Re: kern/52440 (nouveau blank screen w/some cards after MSI change in 7.99.64)



The following reply was made to PR kern/52440; it has been noted by GNATS.

From: "John D. Baker" <jdbaker%consolidated.net@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/52440 (nouveau blank screen w/some cards after MSI change
 in 7.99.64)
Date: Fri, 1 Mar 2019 10:40:56 -0600 (CST)

 On Wed, 20 Feb 2019, John D. Baker wrote:
 
 > So far, I've only been able to test the one machine that never exhibited
 > the problem (works with either MSI or INTx).  It still works.  Not sure
 > about the MSI case due to the situation I described in the last addendum
 > to this PR.
 > 
 > I have not tested anything with "nouveau" since the switch to GCC7.  I
 > hope to do so soon-ish.
 
 Again, I've only been able to test the one machine that never exhibited
 the original problem.  It still works fine.  I did notice the following
 in 'dmesg' output either starting or exiting the Xserver:
 
 [   153.346307] nouveau0: autoconfiguration error: error: user: nvif_object_map, -12
 [   153.346307] nouveau0: autoconfiguration error: error: user: channel failed to initialise, -12
 
 
 I could not test with MSI as it is disabled in the HEAD revision of
 
   sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/pci/nouveau_nvkm_subdev_pci_base.c
 
 I've rolled it back to the previous revision in my test tree for the
 next round of updates, but that'll take at least 24 hours to build due
 to the recent kernel bump (8.99.35).
 
 -- 
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