Displaying 13 results from an estimated 13 matches for "jhayes".
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chayes
2010 Jul 19
1
packet loss on ixgbe using vlans and ipv6
Hi,
I have a Dell T710 with 4 X 10G ethernet interfaces (2 X Dual port Intel
82599 cards). It is running FreeBSD RELENG_8 last updated on July 13.
What I see is packet loss (0 - 40%) on IPv6 packets in vlans, when the
machine is not the originator of the packets.
Let me try to describe a little more. If a neigbouring machine ping6 it,
there will be packet loss. If it act as a router for ipv6,
1997 Jul 30
0
CDROM on SAMBA/Linux
A related question: I would like to build a CD-Rom server based on Samba where it is possible to swap CDs without mounting them by hand. The volume label should appear automatically in Windows. Is this possible ?
-Erwin
[John D. Hays - Writes]
Erwin,
I do this on my system. I have two each 7-disk changers on my Linux box (attached using SCSI) with the appropriate driver configuration. All
1998 Nov 02
0
Fw: SAMBA digest 1861
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Thank-you
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Subject: SAMBA digest 1861
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2004 Aug 06
1
Speex settings and jitter
...it out, encodes it, and transmits it. Otherwise it goes back
to sleep. I was going to change this to use notifications but
haven't yet since it's been working so well... Are you saying that
notifications aren't implemented for DirectSoundCapture buffers?
Tom
<p>John Hayes (jhayes@thereinc.com) wrote:
>
> Right - and I deal with that on the receiver end based on an approximation
> of sender's and receiver's responsiveness - the minimum latency I've been
> able to get into the system is about 150 ms. Of that, jitter buffering is
> about 40-100ms. I...
2008 Feb 20
1
alignment problem in monitor_fdpass.c
Hi,
After FreeBSD changed from using -O2 to using -O on their ARM port, I
found that sshd stopped working. (gcc version 4.2.1 20070719 [FreeBSD])
I have downloaded openssh-SNAP-20080220.tar.gz and the code still look
the same.
Anyway looking into it, I found that the problem is in monitor_fdpass.c
in the functions mm_send_fd and mm_receive_fd. Using -O2 used to align
the tmp array on a 4 byte
2003 Aug 04
4
bootstrapping vinum root
Well, colleagues, I'm stuck a bit.
I tried many different ways to setup system with vinum root (the only
reference I found yet besides old "bootstrapping vinum" article is Joerg's
commit message: http://freebsd.rambler.ru/bsdmail/cvs-all_2003/msg01225.html
I failed. I have 4-stable system set up at ad0, and tried to set up pair of
drives for new system at ad2 and ad3 (actually,
2004 Oct 26
5
please test: Secure ports tree updating
CVSup is slow, insecure, and a memory hog. However, until now
it's been the only option for keeping an up-to-date ports tree,
and (thanks to all of the recent work on vuxml and portaudit)
it has become quite obvious that keeping an up-to-date ports
tree is very important.
To provide a secure, lightweight, and fast alternative to CVSup,
I've written portsnap. As the name suggests, this
2004 Aug 06
3
Speex settings and jitter
In my experience most of the jitter related issues are because people are
using too small of audio buffer sizes that match the framing size of Speex -
particularly in Windows. This isn't a problem with Speex, but as a
programmer you should collect and append a few frames to match the size of
your output audio frame buffer before attempting to play the sound.
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2004 Aug 06
0
Speex settings and jitter
The audio frame speex generates sounds pretty terrible most of the time, and
I don't use it for jitter correction instead I just use it for dropped
packets - so I usually drop the late packet. It sounds acceptable as long as
I drop less than 5% of traffic (dropping 2 in a row makes a bad robot noise,
so I reset the stream in that case). The good news is that on an unsaturated
DSL line jitter
2004 Aug 06
3
Chopping off the wideband?
If I encode something in ultra-wideband, can I decode it in wideband by
chopping off bytes in every frame?
John
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2004 Aug 06
0
Speex settings and jitter
Right - and I deal with that on the receiver end based on an approximation
of sender's and receiver's responsiveness - the minimum latency I've been
able to get into the system is about 150 ms. Of that, jitter buffering is
about 40-100ms. I'd love to figure out how to get that down without killing
myself on thread switching or Win32 kernel calls, but ms has to actually
implement
2004 Aug 06
3
Optimizing speex for 44.1kHz
I've been playing with speex for use in a VoIP application between PC's. One
thing I've found (correlating to the documentation) it that speex runs much
faster and produced much better output when it's fed a 32kHz signal instead
of a 44.1kHz sample rate. This is whether I tell it a 44.1kHz sample rate
and feed it 44.1kHz or tell it 32kHz and feed it 44.1kHz.
What part of the
2004 Aug 06
4
Speex test cases?
I'm trying to get speex to encode a bit faster, mainly by rewriting a few
functions in SSE and translating the GCC __asm__ to VC __asm.
There's 2 functions I'm targeting, first is vq_nbest which consumes 40% of
the time at high complexity and split_cb_search_shape_sign. Which consumes
just over 30%. I've split out two functions from:
cb_search_precompute_energy - loop at the