Hi Eric, > Eric Anholt <eric@xxxxxxxxxx> hat am 10. Februar 2018 um 18:24 geschrieben: > > > Stefan Wahren <stefan.wahren@xxxxxxxx> writes: > > > Hi, i'm having problems while booting Raspberry Pi 1 B (Linux 4.15, > > bcm2835_defconfig) on my display, which is connected via HDMI. Mostly > > the screen stays black and i'm getting the following warnings via > > debug UART. Sometimes after disconnecting HDMI, i'm getting the > > expected screen. > > > > [ 3.253930] vc4-drm soc:gpu: bound 20902000.hdmi (ops vc4_hdmi_ops) > > [ 3.283413] vc4-drm soc:gpu: bound 20806000.vec (ops vc4_vec_ops) > > [ 3.310306] vc4-drm soc:gpu: bound 20400000.hvs (ops vc4_hvs_ops) > > [ 3.339131] vc4-drm soc:gpu: bound 20206000.pixelvalve (ops vc4_crtc_ops) > > [ 3.368727] vc4-drm soc:gpu: bound 20207000.pixelvalve (ops vc4_crtc_ops) > > [ 3.397935] vc4-drm soc:gpu: bound 20807000.pixelvalve (ops vc4_crtc_ops) > > [ 3.450306] vc4-drm soc:gpu: bound 20c00000.v3d (ops vc4_v3d_ops) > > [ 3.475686] checking generic (e330000 8ca000) vs hw (0 ffffffff) > > [ 3.475700] fb: switching to vc4drmfb from simple > > [ 3.499714] Console: switching to colour dummy device 80x30 > > [ 3.520255] [drm] Initialized vc4 0.0.0 20140616 for soc:gpu on minor 0 > > [ 3.527030] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). > > [ 3.533779] [drm] Driver supports precise vblank timestamp query. > > [ 3.647269] ------------[ cut here ]------------ > > [ 3.647320] WARNING: CPU: 0 PID: 10 at drivers/gpu/drm/drm_atomic_helper.c:1349 drm_atomic_helper_wait_for_vblanks+0x1fc/0x21c > > [ 3.647328] [CRTC:68:crtc-2] vblank wait timed out > > [ 3.647333] Modules linked in: > > [ 3.647354] CPU: 0 PID: 10 Comm: kworker/0:1 Not tainted 4.15.0+ #2 > > [ 3.647358] Hardware name: BCM2835 > > [ 3.647383] Workqueue: events deferred_probe_work_func > > [ 3.647429] [<c010fd80>] (unwind_backtrace) from [<c010d0dc>] (show_stack+0x20/0x24) > > [ 3.647459] [<c010d0dc>] (show_stack) from [<c07914f4>] (dump_stack+0x20/0x28) > > [ 3.647488] [<c07914f4>] (dump_stack) from [<c011f620>] (__warn+0xec/0x104) > > [ 3.647509] [<c011f620>] (__warn) from [<c011f680>] (warn_slowpath_fmt+0x48/0x50) > > [ 3.647532] [<c011f680>] (warn_slowpath_fmt) from [<c044b564>] (drm_atomic_helper_wait_for_vblanks+0x1fc/0x21c) > > [ 3.647556] [<c044b564>] (drm_atomic_helper_wait_for_vblanks) from [<c04815e4>] (vc4_atomic_complete_commit+0x80/0xb8) > > Boris's clk series (https://patchwork.kernel.org/patch/10207161/) from > Thursday was trying to fix some of this type of failure. > > > Additionally after 10 minutes there are memleaks like this: > > > > unreferenced object 0xc8cb5c00 (size 64): > > comm "kworker/0:1", pid 10, jiffies 4294937654 (age 881.050s) > > hex dump (first 32 bytes): > > 10 e0 ca c8 01 00 00 00 00 00 00 00 0c 5c cb c8 .............\.. > > 0c 5c cb c8 ff ff ff ff 18 5c cb c8 18 5c cb c8 .\.......\...\.. > > backtrace: > > [<7c3bc269>] kmemleak_alloc+0x78/0xc0 > > [<c58d2bd1>] kmem_cache_alloc_trace+0xfc/0x1e4 > > [<6ecb9de5>] drm_atomic_helper_setup_commit+0xa4/0x3b8 > > [<e4fdc746>] vc4_atomic_commit+0x30/0x11c > > [<ab19bb72>] drm_atomic_commit+0x54/0x68 > > I expect this is just waiting for this commit to trickle in: > > commit 1c6ceeee6ebbcdf9839dbce00719162591180524 > Author: Leo (Sunpeng) Li <sunpeng.li@xxxxxxx> > Date: Wed Jan 17 12:51:08 2018 +0100 > > drm/atomic: Fix memleak on ERESTARTSYS during non-blocking commits i reverted Boris' patches and applied this one [1], but the leaks still persists. Stefan [1] - https://patchwork.kernel.org/patch/10169179/ _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel