On Sat, Feb 28, 2015 at 06:24:58AM +0000, Taylor R Campbell wrote: > tl;dr: If DRM/KMS has been flaky for you, please try again in HEAD! > > > I recently found a bit of spare time to look for bugs I'd left in > DRM/KMS which have left a lot of systems kinda-sorta working but not > acceptably. > > In so doing, I found several classes of bugs related to timeouts -- > about two dozen different bugs altogether, in different timed waits, > including detecting displays, waiting for rendering commands to > complete, and waiting for vertical blanks. This affects all DRM > drivers (at the moment, just Intel and Radeon). > > I've reviewed all these timed waits, and I don't see any more of these > bugs. Obviously this code could use more eyeballs! (Grep for > `DRM_.*WAIT.*_UNTIL' if you'd like to lend yours.) But if you've been > having trouble with blank screens or flaky rendering or frequent hangs > -- I can't promise anything, but please try again with a kernel from > HEAD and let me know how it goes.
Hello, I tried a HEAD kernel on a i915drmkms0 at pci0 dev 2 function 0: Intel Haswell Integrated Graphics Device (rev. 0x06) (Xorg says this is a HD 4600) Running stellarium, I still see the X server hanging on vmem after a few moves/zoom. -- Manuel Bouyer <[email protected]> NetBSD: 26 ans d'experience feront toujours la difference --
