Re: firefox4+html5

Yes, I understand this, but the same issue occurs on 8.x branch...
But, I turned off all options for debugging and rebuild the kernel.

Issue has not disappeared.


On Tue, 3 May 2011 15:59:23 +0000
Holger Kipp <Holger.Kipp_at_alogis.com> wrote:

> Dear Vitaly,
> 
> I'm usually not using FreeBSD for accessing youtube, but
> as you're using FreeBSD 9.0-current, please note that this
> presumably has Witness enabled (because FreeBSD 9.0-current
> is still development branch), which will reduce performance
> and hence might give the problems you described.
> 
> 
> from
> http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-options.html
> 
> options WITNESS: this option enables run-time lock order tracking and
> verification, and is an invaluable tool for deadlock diagnosis.
> WITNESS maintains a graph of acquired lock orders by lock type, and
> checks the graph at each acquire for cycles (implicit or explicit).
> If a cycle is detected, a warning and stack trace are generated to
> the console, indicating that a potential deadlock might have
> occurred. WITNESS is required in order to use the show locks, show
> witness and show alllocks DDB commands. This debug option has
> significant performance overhead, which may be somewhat mitigated
> through the use of options WITNESS_SKIPSPIN. Detailed documentation
> may be found in witness(4).
> 
> => http://www.freebsd.org/cgi/man.cgi?query=witness&sektion=4
> 
> Best regards,
> Holger
> 
> ________________________________________
> From: owner-freebsd-current_at_freebsd.org
> [owner-freebsd-current_at_freebsd.org] on behalf of Vitaly Liaschuk
> [larinus_at_gmail.com] Sent: 03 May 2011 16:49 To: FreeBSD current
> mailing list Subject: firefox4+html5
> 
> Hi, list!
>     I do not know in what part of forum to write, so I decide write
> in General. I'm trying to use html5 on youtube.com. I getting the
> video stream, but audio "stutters" on most of video files . I tried
> to use the chrome-browser and he is works fine. Also, I tried boot
> from usb flash drive with installed ubuntu and firefox 4 and this
> works. So, I believe what trouble is in my FreeBSD. [QUOTE]
> > uname -a
> FreeBSD laptop 9.0-CURRENT FreeBSD 9.0-CURRENT #0 r221296M: Sun May
> 1 20:13:15 EEST 2011     larin_at_laptop:/usr/obj/usr/src/sys/GENERIC
> amd64
> >
> [/QUOTE]
> 
> My box is: Laptop asus UL30A, 3 GB ram, Intel CPU U2300 1.2Mhz.
> 
> Thanks in advance.
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> 
> --
> Holger Kipp
> Diplom-Mathematiker
> Senior Consultant
> 
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> 
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