FYI - observations:
This has just started happening to me, and I notice that the process is
spinning on select() and has 500+ unix-domain sockets & /dev/urandom
descriptors open:
[jcollier@eor ~]$ uname -a
Linux eor 3.2.0-4-amd64 #1 SMP Debian 3.2.57-3+deb7u1 x86_64 GNU/Linux
[jcollier@eor ~]$ dpkg -l | grep colord
ii colord 0.1.21-1 amd64 ...
ii libcolord1:amd64 0.1.21-1 amd64 ...
[jcollier@eor ~]$ top
........
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4053 colord 20 0 353m 92m 2120 R 99.9 2.3 492:43.80 colord-sane
[root@eor jcollier]# lsof -p 4053
colord-sa 4053 colord 0u CHR 1,3 0t0 1027
/dev/null
colord-sa 4053 colord 1u CHR 1,3 0t0 1027
/dev/null
colord-sa 4053 colord 2u CHR 1,3 0t0 1027
/dev/null
colord-sa 4053 colord 3u 0000 0,9 0 2241
anon_inode
colord-sa 4053 colord 4u unix 0xffff8801226a8480 0t0 9027 socket
colord-sa 4053 colord 5u CHR 1,3 0t0 1027
/dev/null
colord-sa 4053 colord 6u 0000 0,9 0 2241
anon_inode
colord-sa 4053 colord 7u netlink 0t0 10920
KOBJECT_UEVENT
colord-sa 4053 colord 8u IPv4 9940247 0t0 UDP
eor.local:8610
colord-sa 4053 colord 9u 0000 0,9 0 2241
anon_inode
colord-sa 4053 colord 10u IPv4 9940249 0t0 UDP
eor.local:8611
colord-sa 4053 colord 11u IPv4 9940250 0t0 UDP
eor.local:8612
colord-sa 4053 colord 12u unix 0xffff88011f179c40 0t0 12417
socket
colord-sa 4053 colord 13r CHR 1,9 0t0 1032
/dev/urandom
colord-sa 4053 colord 14u unix 0xffff8801204a1540 0t0 12420
socket
colord-sa 4053 colord 15r CHR 1,9 0t0 1032
/dev/urandom
colord-sa 4053 colord 16u unix 0xffff880128e96d80 0t0 12606
socket
colord-sa 4053 colord 17r CHR 1,9 0t0 1032
/dev/urandom
...
colord-sa 4053 colord 1024u unix 0xffff880096f3b940 0t0 9916981
socket
colord-sa 4053 colord 1025r CHR 1,9 0t0 1032
/dev/urandom
colord-sa 4053 colord 1026u unix 0xffff88001f6080c0 0t0 9918029
socket
colord-sa 4053 colord 1027r CHR 1,9 0t0 1032
/dev/urandom
colord-sa 4053 colord 1028r CHR 1,9 0t0 1032
/dev/urandom
colord-sa 4053 colord 1029r CHR 1,9 0t0 1032
/dev/urandom
...
colord-sa 4053 colord 1056r CHR 1,9 0t0 1032
/dev/urandom
colord-sa 4053 colord 1057r CHR 1,9 0t0 1032
/dev/urandom
colord-sa 4053 colord 1058u IPv4 9940253 0t0 UDP
eor.local:8613
colord-sa 4053 colord 1059u IPv4 9940255 0t0 UDP
eor.local:8614
[root@eor jcollier]# lsof -p 4053 | grep urandom | wc
538 4842 46268
[root@eor jcollier]# lsof -p 4053 | grep socket | wc
509 4581 40720
[root@eor jcollier]# strace -p 4053
Process 4053 attached - interrupt to quit
select(1060, [8 10 11 1057], NULL, NULL, {1, 0}) = 1 (in [1057], left
{0, 999996})
select(1060, [8 10 11 1057], NULL, NULL, {1, 0}) = 1 (in [1057], left
{0, 999996})
select(1060, [8 10 11 1057], NULL, NULL, {1, 0}) = 1 (in [1057], left
{0, 999996})
select(1060, [8 10 11 1057], NULL, NULL, {1, 0}) = 1 (in [1057], left
{0, 999996})
.... (spinning fast)
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