Fwd: AMD SB600 - USB problem
JoJo jojo
(using SB600)
-JoJo
---------- Forwarded message ----------
From: Lorenzo Valotto <v.u....@gmail.com>
Date: Thu, May 22, 2008 at 2:12 PM
Subject: AMD SB600 - USB problem
To: linu...@vger.kernel.org
DESCRIPTION:
Testing with a USB dual DTT tuner result in a ts packets loss and,
often, USB crash, using both tuners at the same time. Updating kernel
to 2.6.24-16 (ubuntu 8.04) or to 2.6.25 the crash doesn't happen but
the USB port gets disconnected until the applications using the DTT
device are terminated.
No problem using a Windows OS.
The same device works ok using another system platform running linux
in the same configuration.
Used linux application for test:
two simultaneous instances of "tzap", or "scan" or "mplayer",
one per tuner
The device used is:
- Pinnacle PCTV dual DVB-T diversity stick, vedor ID 2304 device ID 0229
- driver used: V4L DVB-USB-DIB0700 (dibcom) - Firmware:
DVB-USB-DIB0700-1.10.FW
HARDWARE CONFIGURATIONS:
1)
Motherboard EQS – RS690IKM-AB6S
BIOS PHOENIX
Chipset AMD/ATI RS690 – SB600 - ITE8712F
DRAM 1GByte – FIREmemory DDR2-667
HD 160GBytes PATA - WD1600AVBB
Azalia codec Realtek - ALC 662
2)
Motherboard Gigabyte – GA-MA69GM-S2H
BIOS AWARD
Chipset AMD/ATI RS690 – SB600 - ITE8716F
DRAM 2GByte – Dual Channel – Kingston DDR2-667
HD 80GByte SATA – Samsung HD080HJ
Azalia codec Realtek - ALC 889A
SOFTWARE CONFIGURATION:
Operating System Linux Ubuntu 7.10 32 bit standard distribution
Kernel Version 2.6.22-14-generic
ATI Drivers Proprietary ATI/AMD 8.3 (5 March 2008)
Alsa driver Version 1.0.16 (2008-02-06)
Test repeated with the following configuration:
Operating System Linux Ubuntu 8.04 32 bit standard distribution
Kernel Version 2.6.24-16-generic
ATI Drivers Proprietary ATI/AMD 8.4 (16 April 2008)
Alsa driver Version 1.0.16,
Compiled on Apr 28 2008 for kernel
2.6.24-16-generic (SMP)
from mercurial snapshot Apr 28 2008.
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