Date: Sun, 17 Jan 2010 14:07:38 +0000 From: Thomas Hummel <googhummel@gmail.com> To: Pieter de Goeje <pieter@degoeje.nl> Cc: freebsd-questions@freebsd.org Subject: Re: Sound (micro-)interrupts with 8.0 stable/snd_hda/mplayer/vlc Message-ID: <f21a6851001170607t6aa3ee35jc0e623f2d29364a5@mail.gmail.com> In-Reply-To: <201001170203.02499.pieter@degoeje.nl> References: <f21a6851001161017v5e1b3134l1a60ab186340cb40@mail.gmail.com> <201001170203.02499.pieter@degoeje.nl>
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On Sun, Jan 17, 2010 at 1:03 AM, Pieter de Goeje <pieter@degoeje.nl> wrote: Thanks for your reply, Try increasing the hw.snd.latency sysctl: > Going from 5 to 10 doesn't change anything (actually, it seems worse on the file I tried). So the mystery still stands... Note that the micro-interrupts don't occur always at the same timestamp in the file which is playing. If I play one, let's say 3 times in a row, sound may drop around the same moment each time but not necessary... Just thinking out loud here, but maybe you have some non-standard HZ > configured or powerd configured to clock the CPU back by an extreme amount, > both could theoretically cause buffer underruns. > I'm not quite sure I understand what you're thinking of. Anyway, I haven't changed any defaults : % cat /boot/loader.conf #zfs zfs_load="YES" vfs.root.mountfrom="zfs:zroot" # nividia nvidia_load="YES" # sound snd_hda_load="YES" hw.snd.default_unit=0 # k3b atapicam_load="YES" hw.ata.atapi_dma=1 -- Thomas.
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