From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org Subject: [Bug 90482] Xorg take 100% CPU when using multiple independent screen configuration Date: Sat, 16 May 2015 20:53:05 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1626580929==" Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: nouveau.vger.kernel.org --===============1626580929== Content-Type: multipart/alternative; boundary="1431809585.Dd2ab1.8016"; charset="UTF-8" --1431809585.Dd2ab1.8016 Date: Sat, 16 May 2015 20:53:05 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=90482 --- Comment #3 from Matti Nykyri --- and strace Xorg(PID 2954): 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 56000}) = 1 (in [12], left {264, 55981}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 56000}) = 1 (in [12], left {264, 55981}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 55000}) = 1 (in [12], left {264, 54982}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 55000}) = 1 (in [12], left {264, 54981}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 55000}) = 1 (in [12], left {264, 54981}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 54000}) = 1 (in [12], left {264, 53982}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 54000}) = 1 (in [12], left {264, 53982}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 54000}) = 1 (in [12], left {264, 53981}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 53000}) = 1 (in [12], left {264, 52981}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 53000}) = 1 (in [12], left {264, 52981}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 53000}) = 1 (in [12], left {264, 52981}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 52000}) = 1 (in [12], left {264, 51981}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 52000}) = 1 (in [12], left {264, 51981}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 51000}) = 1 (in [12], left {264, 50982}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 51000}) = 1 (in [12], left {264, 50983}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 51000}) = 1 (in [12], left {264, 50983}) 2954 select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL, NULL, {264, 51000}) = 1 (in [12], left {264, 50983}) cat /proc/2954/fd: 0 l-wx------ 1 root root 64 May 16 23:47 0 -> /var/log/Xorg.0.log 0 lrwx------ 1 root root 64 May 16 23:47 1 -> socket:[12196] 0 lrwx------ 1 root root 64 May 16 23:47 10 -> /dev/dri/card0 0 lrwx------ 1 root root 64 May 16 23:47 11 -> socket:[1845] 0 lrwx------ 1 root root 64 May 16 23:47 12 -> socket:[1858] 0 lrwx------ 1 root root 64 May 16 23:47 13 -> /dev/dri/card0 0 lrwx------ 1 root root 64 May 16 23:47 14 -> /dev/input/event1 0 lrwx------ 1 root root 64 May 16 23:47 15 -> /dev/input/event0 0 lrwx------ 1 root root 64 May 16 23:47 16 -> /dev/input/event2 0 lrwx------ 1 root root 64 May 16 23:47 17 -> /dev/input/event3 0 lrwx------ 1 root root 64 May 16 23:47 18 -> socket:[2848] ....etc lsof -p 2954: X 2954 root 0w REG 8,2 164675 262153 /var/log/Xorg.0.log X 2954 root 1u unix 0xffff880214864840 0t0 12196 @/tmp/.X11-unix/X0 X 2954 root 2w REG 8,2 56795 262596 /var/log/kdm.log X 2954 root 3u unix 0xffff880214864c80 0t0 12197 /tmp/.X11-unix/X0 X 2954 root 4r REG 8,2 31614 524293 /usr/lib64/xorg/protocol.txt X 2954 root 5u netlink 0t0 2823 KOBJECT_UEVENT X 2954 root 6w REG 0,3 0 4026531961 /proc/mtrr X 2954 root 7w REG 0,3 0 4026531961 /proc/mtrr X 2954 root 8u CHR 4,7 0t0 2080 /dev/tty7 X 2954 root 9u CHR 10,63 0t0 1026 /dev/vga_arbiter X 2954 root 10u CHR 226,0 0t0 1044 /dev/dri/card0 X 2954 root 11u sock 0,6 0t0 1845 protocol: NETLINK X 2954 root 12u netlink 0t0 1858 KOBJECT_UEVENT X 2954 root 13u CHR 226,0 0t0 1044 /dev/dri/card0 X 2954 root 14u CHR 13,65 0t0 1082 /dev/input/event1 X 2954 root 15u CHR 13,64 0t0 10912 /dev/input/event0 X 2954 root 16u CHR 13,66 0t0 2447 /dev/input/event2 X 2954 root 17u CHR 13,67 0t0 1323 /dev/input/event3 X 2954 root 18u unix 0xffff8800d9839100 0t0 2848 @/tmp/.X11-unix/X0 -- You are receiving this mail because: You are the assignee for the bug. --1431809585.Dd2ab1.8016 Date: Sat, 16 May 2015 20:53:05 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 3 on bug 90482 from
and strace Xorg(PID 2954):
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 56000}) = 1 (in [12], left {264, 55981})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 56000}) = 1 (in [12], left {264, 55981})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 55000}) = 1 (in [12], left {264, 54982})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 55000}) = 1 (in [12], left {264, 54981})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 55000}) = 1 (in [12], left {264, 54981})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 54000}) = 1 (in [12], left {264, 53982})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 54000}) = 1 (in [12], left {264, 53982})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 54000}) = 1 (in [12], left {264, 53981})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 53000}) = 1 (in [12], left {264, 52981})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 53000}) = 1 (in [12], left {264, 52981})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 53000}) = 1 (in [12], left {264, 52981})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 52000}) = 1 (in [12], left {264, 51981})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 52000}) = 1 (in [12], left {264, 51981})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 51000}) = 1 (in [12], left {264, 50982})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 51000}) = 1 (in [12], left {264, 50983})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 51000}) = 1 (in [12], left {264, 50983})
2954  select(256, [1 3 5 10 11 12 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81], NULL,
NULL, {264, 51000}) = 1 (in [12], left {264, 50983})

cat /proc/2954/fd:
0 l-wx------ 1 root root 64 May 16 23:47 0 -> /var/log/Xorg.0.log
0 lrwx------ 1 root root 64 May 16 23:47 1 -> socket:[12196]
0 lrwx------ 1 root root 64 May 16 23:47 10 -> /dev/dri/card0
0 lrwx------ 1 root root 64 May 16 23:47 11 -> socket:[1845]
0 lrwx------ 1 root root 64 May 16 23:47 12 -> socket:[1858]
0 lrwx------ 1 root root 64 May 16 23:47 13 -> /dev/dri/card0
0 lrwx------ 1 root root 64 May 16 23:47 14 -> /dev/input/event1
0 lrwx------ 1 root root 64 May 16 23:47 15 -> /dev/input/event0
0 lrwx------ 1 root root 64 May 16 23:47 16 -> /dev/input/event2
0 lrwx------ 1 root root 64 May 16 23:47 17 -> /dev/input/event3
0 lrwx------ 1 root root 64 May 16 23:47 18 -> socket:[2848]
....etc

lsof -p 2954:
X       2954 root    0w      REG                8,2   164675     262153
/var/log/Xorg.0.log
X       2954 root    1u     unix 0xffff880214864840      0t0      12196
@/tmp/.X11-unix/X0
X       2954 root    2w      REG                8,2    56795     262596
/var/log/kdm.log
X       2954 root    3u     unix 0xffff880214864c80      0t0      12197
/tmp/.X11-unix/X0
X       2954 root    4r      REG                8,2    31614     524293
/usr/lib64/xorg/protocol.txt
X       2954 root    5u  netlink                         0t0       2823
KOBJECT_UEVENT
X       2954 root    6w      REG                0,3        0 4026531961
/proc/mtrr
X       2954 root    7w      REG                0,3        0 4026531961
/proc/mtrr
X       2954 root    8u      CHR                4,7      0t0       2080
/dev/tty7
X       2954 root    9u      CHR              10,63      0t0       1026
/dev/vga_arbiter
X       2954 root   10u      CHR              226,0      0t0       1044
/dev/dri/card0
X       2954 root   11u     sock                0,6      0t0       1845
protocol: NETLINK
X       2954 root   12u  netlink                         0t0       1858
KOBJECT_UEVENT
X       2954 root   13u      CHR              226,0      0t0       1044
/dev/dri/card0
X       2954 root   14u      CHR              13,65      0t0       1082
/dev/input/event1
X       2954 root   15u      CHR              13,64      0t0      10912
/dev/input/event0
X       2954 root   16u      CHR              13,66      0t0       2447
/dev/input/event2
X       2954 root   17u      CHR              13,67      0t0       1323
/dev/input/event3
X       2954 root   18u     unix 0xffff8800d9839100      0t0       2848
@/tmp/.X11-unix/X0


You are receiving this mail because:
  • You are the assignee for the bug.
--1431809585.Dd2ab1.8016-- --===============1626580929== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTm91dmVhdSBt YWlsaW5nIGxpc3QKTm91dmVhdUBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL25vdXZlYXUK --===============1626580929==--