Hi, On Mon, Jan 02, 2017 at 11:33:16PM +0000, Russell King wrote: [...] > 17:38:39.478119 ioctl(255, SNDRV_TIMER_IOCTL_SELECT or TIOCSPGRP, [10928]) = 0 > 17:38:39.478250 rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0 > 17:38:39.478395 ioctl(255, SNDCTL_TMR_TIMEBASE or > SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 opost isig icanon echo > ...}) = 0 > 17:38:39.478626 ioctl(255, SNDCTL_TMR_STOP or SNDRV_TIMER_IOCTL_GINFO or > TCSETSW, {B115200 opost isig icanon echo ...}) = 0 > 17:38:39.478782 ioctl(255, SNDCTL_TMR_TIMEBASE or > SNDRV_TIMER_IOCTL_NEXT_DEVICE or TCGETS, {B115200 opost isig icanon echo > ...}) = 0
Just a side comment: if you were using strace version 4.10 or newer, you'd see much better decoding of these and other ioctl calls. Happy tracing, -- ldv
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