On Fri, 2009-03-06 at 17:21 -0500, Pablo Sanchez wrote: > [ Comments below, in line ] > > On Friday 06 March 2009 at 4:50 pm, Pablo Sanchez penned > about "Re: [vbox-users] disk throughput only 25% of native" > > > Have you `strace' the VirtualBox process? > > Hi Brian, > > I `strace'd my VirtualBox process and I'm attaching it for your > comparison.
Mine basically looks like:
[pid 19103] futex(0x81acc58, 0x80 /* FUTEX_??? */, 2 <unfinished ...>
[pid 19092] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = -1 EAGAIN (Resource temporarily
unavailable)
[pid 19092] <... futex resumed> ) = 0
[pid 19103] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... ioctl resumed> , 0) = 0
[pid 19103] futex(0x81acc2c, 0x80 /* FUTEX_??? */, 1938919 <unfinished ...>
[pid 19092] futex(0x81acc2c, 0x85 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x80 /* FUTEX_??? */, 2 <unfinished ...>
[pid 19092] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1) = 0
[pid 19103] _llseek(23, 113887438336, [113887438336], SEEK_SET) = 0
[pid 19103] write(23, ptrace: umoven: Input/output error
0xb4403000, 4096) = 4096
[pid 19103] futex(0x81acc2c, 0x80 /* FUTEX_??? */, 1938921 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] sched_yield() = 0
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 19101] <... rt_sigtimedwait resumed> {si_signo=SIGALRM, si_code=SI_TIMER,
si_pid=0, si_uid=0, si_value={int=135674328, ptr=0x81639d8}}, 0, 8) = 14
[pid 19092] <... ioctl resumed> , 0) = 0
[pid 19101] rt_sigtimedwait([ALRM], <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] futex(0x81acc2c, 0x85 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x80 /* FUTEX_??? */, 2 <unfinished ...>
[pid 19092] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1) = 0
[pid 19103] futex(0x81acc2c, 0x80 /* FUTEX_??? */, 1938923 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] futex(0x81acc2c, 0x85 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x80 /* FUTEX_??? */, 2 <unfinished ...>
[pid 19092] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1) = 0
[pid 19103] _llseek(23, 113883842048, [113883842048], SEEK_SET) = 0
[pid 19103] write(23, ptrace: umoven: Input/output error
0xb4403000, 4096) = 4096
[pid 19103] futex(0x81acc2c, 0x80 /* FUTEX_??? */, 1938925 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] futex(0x81acc2c, 0x85 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x80 /* FUTEX_??? */, 2 <unfinished ...>
[pid 19092] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1) = 0
[pid 19103] futex(0x81acc2c, 0x80 /* FUTEX_??? */, 1938927 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] futex(0x81acc2c, 0x85 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x80 /* FUTEX_??? */, 2 <unfinished ...>
[pid 19092] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1) = 0
[pid 19103] _llseek(23, 113883776512, [113883776512], SEEK_SET) = 0
[pid 19103] write(23, ptrace: umoven: Input/output error
0xb4403000, 4096) = 4096
[pid 19103] futex(0x81acc2c, 0x80 /* FUTEX_??? */, 1938929 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] futex(0x81acc2c, 0x85 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x80 /* FUTEX_??? */, 2 <unfinished ...>
[pid 19092] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19103] futex(0x81acc2c, 0x80 /* FUTEX_??? */, 1938931 <unfinished ...>
[pid 19092] <... ioctl resumed> , 0) = 0
[pid 19092] futex(0x81acc2c, 0x85 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x80 /* FUTEX_??? */, 2 <unfinished ...>
[pid 19092] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = -1 EAGAIN (Resource temporarily
unavailable)
[pid 19092] <... futex resumed> ) = 0
[pid 19103] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... ioctl resumed> , 0) = 0
[pid 19103] _llseek(23, 113882445312, <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 19103] <... _llseek resumed> [113882445312], SEEK_SET) = 0
[pid 19092] <... ioctl resumed> , 0) = 0
[pid 19103] write(23, ptrace: umoven: Input/output error
0xb4403000, 1536 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 19103] <... write resumed> ) = 1536
[pid 19092] <... ioctl resumed> , 0) = 0
[pid 19103] futex(0x81acc2c, 0x80 /* FUTEX_??? */, 1938933 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 19101] <... rt_sigtimedwait resumed> {si_signo=SIGALRM, si_code=SI_TIMER,
si_pid=0, si_uid=0, si_value={int=135674328, ptr=0x81639d8}}, 0, 8) = 14
[pid 19092] <... ioctl resumed> , 0) = 0
[pid 19101] rt_sigtimedwait([ALRM], <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] futex(0x81acc2c, 0x85 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x80 /* FUTEX_??? */, 2 <unfinished ...>
[pid 19092] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = -1 EAGAIN (Resource temporarily
unavailable)
[pid 19092] <... futex resumed> ) = 0
[pid 19103] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... ioctl resumed> , 0) = 0
[pid 19103] futex(0x81acc2c, 0x80 /* FUTEX_??? */, 1938935 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] futex(0x81acc2c, 0x85 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... futex resumed> ) = 1
[pid 19103] futex(0x81acc58, 0x80 /* FUTEX_??? */, 2 <unfinished ...>
[pid 19092] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19103] <... futex resumed> ) = -1 EAGAIN (Resource temporarily
unavailable)
[pid 19092] <... futex resumed> ) = 0
[pid 19103] futex(0x81acc58, 0x81 /* FUTEX_??? */, 1 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 19103] <... futex resumed> ) = 0
[pid 19092] <... ioctl resumed> , 0) = 0
[pid 19103] _llseek(23, 113882446848, <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 19103] <... _llseek resumed> [113882446848], SEEK_SET) = 0
[pid 19092] <... ioctl resumed> , 0) = 0
[pid 19103] write(23, ptrace: umoven: Input/output error
0xb4403000, 2560 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 19103] <... write resumed> ) = 2560
[pid 19092] <... ioctl resumed> , 0) = 0
[pid 19103] futex(0x81acc2c, 0x80 /* FUTEX_??? */, 1938937 <unfinished ...>
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] ioctl(7, VIDIOC_ENUMAUDIO, 0) = 0
[pid 19092] futex(0x81acc2c, 0x85 /* FUTEX_??? */, 1 <unfinished ...>
[pi*/, 2 <unfinished ...>
Process 19059 detached
Process 19070 detached
Process 19073 detached
Process 19074 detached
Process 19087 detached
Process 19089 detached
Process 19090 detached
Process 19091 detached
Process 19092 detached
Process 19093 detached
Process 19095 detached
I did a ^C right before those Process ... detached and my prompt never
returned. This is the type of behaviour I was describing before. There
is really nothing else to do but kill -9 the process being straced.
This is a WinXP guest sitting at the Hardware Profile selection menu --
which is the definition of an idle guest:
$ sar -P ALL 5 10000
Linux 2.6.24-19-generic (brian-laptop) 06/03/09 _i686_
10:23:05 PM CPU %user %nice %system %iowait %steal %idle
10:23:10 PM all 47.30 0.00 3.10 0.00 0.00 49.60
10:23:10 PM 0 93.81 0.00 6.19 0.00 0.00 0.00
10:23:10 PM 1 0.40 0.00 0.20 0.00 0.00 99.40
10:23:10 PM CPU %user %nice %system %iowait %steal %idle
10:23:15 PM all 46.85 0.00 3.50 0.00 0.00 49.65
10:23:15 PM 0 93.59 0.00 6.41 0.00 0.00 0.00
10:23:15 PM 1 0.40 0.00 0.40 0.00 0.00 99.20
10:23:15 PM CPU %user %nice %system %iowait %steal %idle
10:23:20 PM all 47.25 0.00 3.00 0.00 0.00 49.75
10:23:20 PM 0 94.21 0.00 5.79 0.00 0.00 0.00
10:23:20 PM 1 0.20 0.00 0.20 0.00 0.00 99.60
10:23:20 PM CPU %user %nice %system %iowait %steal %idle
10:23:25 PM all 47.60 0.00 3.20 0.00 0.00 49.20
10:23:25 PM 0 23.15 0.00 2.00 0.00 0.00 74.85
10:23:25 PM 1 72.14 0.00 4.41 0.00 0.00 23.45
10:23:25 PM CPU %user %nice %system %iowait %steal %idle
10:23:30 PM all 47.65 0.00 3.20 0.00 0.00 49.15
10:23:30 PM 0 53.20 0.00 3.60 0.00 0.00 43.20
10:23:30 PM 1 42.12 0.00 2.79 0.00 0.00 55.09
10:23:30 PM CPU %user %nice %system %iowait %steal %idle
10:23:35 PM all 46.80 0.00 3.50 0.10 0.00 49.60
10:23:35 PM 0 93.59 0.00 6.41 0.00 0.00 0.00
10:23:35 PM 1 0.00 0.00 0.80 0.20 0.00 99.00
10:23:35 PM CPU %user %nice %system %iowait %steal %idle
10:23:40 PM all 47.25 0.00 3.50 0.00 0.00 49.25
10:23:40 PM 0 25.00 0.00 1.60 0.00 0.00 73.40
10:23:40 PM 1 69.74 0.00 5.21 0.00 0.00 25.05
10:23:40 PM CPU %user %nice %system %iowait %steal %idle
10:23:45 PM all 47.20 0.00 3.60 0.00 0.00 49.20
10:23:45 PM 0 27.60 0.00 2.80 0.00 0.00 69.60
10:23:45 PM 1 66.67 0.00 4.59 0.00 0.00 28.74
10:23:45 PM CPU %user %nice %system %iowait %steal %idle
10:23:50 PM all 47.65 0.00 3.00 0.00 0.00 49.35
10:23:50 PM 0 31.74 0.00 2.79 0.00 0.00 65.47
10:23:50 PM 1 63.60 0.00 3.20 0.00 0.00 33.20
As you can see, basically one entire core's worth of CPU out of a dual
core system -- for doing nothing but sitting at a menu.
And again, the strace of that:
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3643] <... rt_sigtimedwait resumed> {si_signo=SIGALRM, si_code=SI_TIMER,
si_pid=0, si_uid=0, si_value={int=138452032, ptr=0x8409c40}}, 0, 8) = 14
[pid 3643] rt_sigtimedwait([ALRM], <unfinished ...>
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3643] <... rt_sigtimedwait resumed> {si_signo=SIGALRM, si_code=SI_TIMER,
si_pid=0, si_uid=0, si_value={int=138452032, ptr=0x8409c40}}, 0, 8) = 14
[pid 3643] rt_sigtimedwait([ALRM], <unfinished ...>
[pid 3631] sched_yield() = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3643] <... rt_sigtimedwait resumed> {si_signo=SIGALRM, si_code=SI_TIMER,
si_pid=0, si_uid=0, si_value={int=138452032, ptr=0x8409c40}}, 0, 8) = 14
[pid 3643] rt_sigtimedwait([ALRM], <unfinished ...>
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3619] <... poll resumed> [{fd=30, events=POLLIN}, {fd=34, events=POLLIN},
{fd=38, events=POLLIN}, {fd=43, events=POLLIN|POLLPRI}, {fd=45,
events=POLLIN|POLLPRI}, {fd=46, events=POLLIN|POLLPRI}, {fd=47,
events=POLLIN|POLLPRI}], 7, 49) = 0
[pid 3619] clock_gettime(CLOCK_MONOTONIC, {42642, 41125320}) = 0
[pid 3619] read(34, 0x8079294, 4096) = -1 EAGAIN (Resource temporarily
unavailable)
[pid 3619] clock_gettime(CLOCK_MONOTONIC, {42642, 41297411}) = 0
[pid 3619] clock_gettime(CLOCK_MONOTONIC, {42642, 41398123}) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO <unfinished ...>
[pid 3619] clock_gettime(CLOCK_MONOTONIC, {42642, 41493318}) = 0
[pid 3619] read(34, 0x8079294, 4096) = -1 EAGAIN (Resource temporarily
unavailable)
[pid 3619] poll( <unfinished ...>
[pid 3643] <... rt_sigtimedwait resumed> {si_signo=SIGALRM, si_code=SI_TIMER,
si_pid=0, si_uid=0, si_value={int=138452032, ptr=0x8409c40}}, 0, 8) = 14
[pid 3631] <... ioctl resumed> , 0) = 0
[pid 3643] rt_sigtimedwait([ALRM], <unfinished ...>
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] sched_yield() = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3643] <... rt_sigtimedwait resumed> {si_signo=SIGALRM, si_code=SI_TIMER,
si_pid=0, si_uid=0, si_value={int=138452032, ptr=0x8409c40}}, 0, 8) = 14
[pid 3643] rt_sigtimedwait([ALRM], <unfinished ...>
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3629] <... futex resumed> ) = -1 ETIMEDOUT (Connection timed out)
[pid 3629] futex(0x8110118, 0x81 /* FUTEX_??? */, 1) = 0
[pid 3629] clock_gettime(CLOCK_REALTIME, {1236396297, 144049522}) = 0
[pid 3629] clock_gettime(CLOCK_REALTIME, {1236396297, 144084373}) = 0
[pid 3629] futex(0x81100ec, 0x80 /* FUTEX_??? */, 4655 <unfinished ...>
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3643] <... rt_sigtimedwait resumed> {si_signo=SIGALRM, si_code=SI_TIMER,
si_pid=0, si_uid=0, si_value={int=138452032, ptr=0x8409c40}}, 0, 8) = 14
[pid 3643] rt_sigtimedwait([ALRM], <unfinished ...>
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
[pid 3631] ioctl(28, VIDIOC_ENUMAUDIO, 0) = 0
Again, a tonne of ioctls with VIDIOC_ENUMAUDIO. This is after I
disabled the audio in the guest configuration (on nothing more than a
hunch).
b.
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