首先，我的硬件是龙芯3A6000主板，配合RX550 2G独显。
今天晚上用Debian系统，龙芯浏览器看央视网的节目直播《对话》。没错，就是胡总的节目。结果，GPU占用100%，声音卡顿得不能听。当然，别的视频网站也是这个样子。
过了一会儿，突然GPU Reset了。
结果，GPU Reset后再打开浏览器看视频，声音不卡了，GPU占用率也降低到了50%以下。但是，一会儿后有一段时间没有声音，过了一会儿又恢复了声音。
[ 1289.659402] amdgpu 0000:08:00.0: amdgpu: Dumping IP State
[ 1289.659412] amdgpu 0000:08:00.0: amdgpu: Dumping IP State Completed
[ 1289.669474] amdgpu 0000:08:00.0: amdgpu: ring gfx timeout, signaled seq=234925, emitted seq=234927
[ 1289.669480] amdgpu 0000:08:00.0: amdgpu: Process information: process gnome-shell pid 1399 thread gnome-shel:cs0 pid 1452
[ 1289.669487] amdgpu 0000:08:00.0: amdgpu: GPU reset begin!
[ 1293.669266] amdgpu 0000:08:00.0: amdgpu: failed to suspend display audio
[ 1294.009501] amdgpu: cp is busy, skip halt cp
[ 1294.304737] amdgpu: rlc is busy, skip halt rlc
[ 1294.305793] amdgpu 0000:08:00.0: amdgpu: BACO reset
[ 1294.537365] amdgpu 0000:08:00.0: amdgpu: GPU reset succeeded, trying to resume
[ 1294.538681] [drm] PCIE GART of 256M enabled (table at 0x000000F400300000).
[ 1294.538715] [drm] VRAM is lost due to GPU reset!
[ 1294.782799] [drm] UVD and UVD ENC initialized successfully.
[ 1294.885763] [drm] VCE initialized successfully.
[ 1294.890777] amdgpu 0000:08:00.0: amdgpu: GPU reset(2) succeeded!
[ 1294.976743] [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Failed to initialize parser -125!
[ 1295.331052] snd_hda_intel 0000:08:00.1: azx_get_response timeout, switching to polling mode: last cmd=0x00272400
[ 1295.331070] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x272400
[ 1295.331078] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x272400
[ 1295.331082] snd_hda_intel 0000:08:00.1: spurious response 0x1:0x0, last cmd=0x272400
[ 1295.331086] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x272400
[ 1295.331089] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x272400
[ 1295.331093] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x272400
[ 1295.331096] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x272400
[ 1295.331101] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x272400
[ 1295.331104] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x272400
[ 1295.331108] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x272400
[ 1296.342980] snd_hda_intel 0000:08:00.1: No response from codec, disabling MSI: last cmd=0x002f2d00
[ 1297.256692] rfkill: input handler enabled
[ 1297.350927] snd_hda_intel 0000:08:00.1: azx_get_response timeout, switching to single_cmd mode: last cmd=0x002f2d00
[ 1307.610323] wlp4s0: deauthenticating from 24:cf:24:34:15:c2 by local choice (Reason: 3=DEAUTH_LEAVING)
[ 1333.746393] snd_hdac_bus_update_rirb: 200 callbacks suppressed
[ 1333.746400] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x378901
[ 1333.746408] snd_hda_intel 0000:08:00.1: spurious response 0x200:0x0, last cmd=0x270d01
[ 1333.746413] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x270e00
[ 1333.746415] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x370100
[ 1333.746417] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x370100
[ 1333.746420] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x370100
[ 1333.746424] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x370100
[ 1333.746426] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x370100
[ 1333.746438] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x370100
[ 1333.746619] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x270e02
[ 1335.629066] rfkill: input handler disabled
[ 1337.491071] wlp4s0: authenticate with 24:cf:24:34:15:c2 (local address=c0:a5:e8:46:05:a5)
[ 1337.491911] wlp4s0: send auth to 24:cf:24:34:15:c2 (try 1/3)
[ 1337.538095] wlp4s0: authenticated
[ 1337.544415] wlp4s0: associate with 24:cf:24:34:15:c2 (try 1/3)
[ 1337.600010] wlp4s0: RX AssocResp from 24:cf:24:34:15:c2 (capab=0x511 status=0 aid=3)
[ 1337.604649] wlp4s0: associated
[ 1337.604696] wlp4s0: Limiting TX power to 27 (30 - 3) dBm as advertised by 24:cf:24:34:15:c2
[ 1344.171280] snd_hdac_bus_update_rirb: 101 callbacks suppressed
[ 1344.171289] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x270e00
[ 1344.171300] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x270e00
[ 1345.367955] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x220000
[ 1345.367968] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x220000
[ 1345.383935] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x1f0500
[ 1345.383945] snd_hda_intel 0000:08:00.1: spurious response 0x233:0x0, last cmd=0x1f0500
[ 1374.900349] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x170500
[ 1374.900372] snd_hda_intel 0000:08:00.1: spurious response 0x200:0x0, last cmd=0x1f0500
[ 1374.900386] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x370740
[ 1374.900399] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x377200
[ 1374.900411] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x378901
[ 1374.900426] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x270d01
[ 1374.900438] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x270e00
[ 1374.900450] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x370100
[ 1374.900477] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x370100
[ 1374.900831] snd_hda_intel 0000:08:00.1: spurious response 0x0:0x0, last cmd=0x270d81
