Date: Wed, 04 Mar 2015 12:19:36 +0100 From: Hans Petter Selasky <hps@selasky.org> To: freebsd-x11@FreeBSD.org, freebsd-current@FreeBSD.org, Ed Maste <emaste@freebsd.org> Subject: Re: [Call for testers] DRM device-independent code update to Linux 3.8 (take #2) Message-ID: <54F6EA48.5050806@selasky.org> In-Reply-To: <54F636B3.90701@FreeBSD.org> References: <54F636B3.90701@FreeBSD.org>
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On 03/03/15 23:33, Jean-Sébastien Pédron wrote: > Hi! > > Here is a new patch to based on HEAD r279508: > https://people.freebsd.org/~dumbbell/graphics/drm-update-38.i.patch > > You can apply it to a Subversion checkout using the following command: > svn patch drm-update-38.i.patch > > There are few changes: > o The panic reported by J.R. Oldroyd is fixed, but not the CP init > problem. > o A lock assert was added, suggested by Konstantin Belousov > > I had several panics ("Stray timeout") with a taskqueue used by TTM, but > it didn't occur in the past 6 days. Maybe it was a problem outside of DRM. > > I would like people to test again and report :) If something fails, > please post a full dmesg, taken after loading the relevant *kms module, > or the core.txt.$N file if it's a panic. > > Hans Petter and Ed, I couldn't reproduce neither of your problems (HDMI > hotplug events storm and VT-switch misbehaviour). However, they both > involve callouts, like the "Stray timeout" panic I had with TTM. I > suspect there was a transient problem with callouts in HEAD at the same > time. Could you please test again with this patch and a very recent HEAD? 1) Callouts are not yet entirely fixed in HEAD yet. Fixes and discussions are still ongoing, see D1894. BTW: I'm using: https://reviews.freebsd.org/D1438 2) Maybe you could consider adding "SUBDIR_PARALLEL=" to some of the drm2 Makefiles? 3) After a lot of digging I found the only way to get flicker free video with XVideo using the Intel driver was to configure X.org like this: Section "Device" Identifier "Device0" Driver "intel" Option "AccelMethod" "sna" Option "TearFree" "true" EndSection Maybe that could be the default? 4) High Xorg usage is not solved: 1026 root 1 26 0 99M 26928K 915gbr 0 1:03 8.89% Xorg 1026 root 1 102 0 99M 26936K CPU0 0 1:52 98.58% Xorg info: [drm] Initialized drm 1.1.0 20060810 drmn0: <Intel IvyBridge (M)> on vgapci0 iicbus0: <Philips I2C bus> on iicbb0 addr 0xff iic0: <I2C generic I/O> on iicbus0 iic1: <I2C generic I/O> on iicbus1 iicbus2: <Philips I2C bus> on iicbb1 addr 0x0 iic2: <I2C generic I/O> on iicbus2 iic3: <I2C generic I/O> on iicbus3 iicbus4: <Philips I2C bus> on iicbb2 addr 0x0 iic4: <I2C generic I/O> on iicbus4 iic5: <I2C generic I/O> on iicbus5 iicbus6: <Philips I2C bus> on iicbb3 addr 0x0 iic6: <I2C generic I/O> on iicbus6 iic7: <I2C generic I/O> on iicbus7 iicbus8: <Philips I2C bus> on iicbb4 addr 0x0 iic8: <I2C generic I/O> on iicbus8 iic9: <I2C generic I/O> on iicbus9 iicbus10: <Philips I2C bus> on iicbb5 addr 0x0 iic10: <I2C generic I/O> on iicbus10 iic11: <I2C generic I/O> on iicbus11 iicbus12: <Philips I2C bus> on iicbb6 addr 0x0 iic12: <I2C generic I/O> on iicbus12 iic13: <I2C generic I/O> on iicbus13 info: [drm] MSI enabled 1 message(s) info: [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). info: [drm] Driver supports precise vblank timestamp query. drmn0: taking over the fictitious range 0xe0000000-0xf0000000 info: [drm] Enabling RC6 states: RC6 off, RC6p off, RC6pp off info: [drm] Connector VGA-1: get mode from tunables: info: [drm] - kern.vt.fb.modes.VGA-1 info: [drm] - kern.vt.fb.default_mode info: [drm] Connector HDMI-A-1: get mode from tunables: info: [drm] - kern.vt.fb.modes.HDMI-A-1 info: [drm] - kern.vt.fb.default_mode info: [drm] Connector DP-1: get mode from tunables: info: [drm] - kern.vt.fb.modes.DP-1 info: [drm] - kern.vt.fb.default_mode fbd0 on drmn0 VT: Replacing driver "vga" with new "fb". info: [drm] Initialized i915 1.6.0 20080730 for drmn0 on minor 0 error: [drm:pid1026:gen6_sanitize_pm] *ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 14000000, was 12060000 info: [drm] GMBUS [gmbus dpd] timed out, falling back to bit banging on pin 6 --HPS
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