2002-12-15 03:48:21

by Mark Rutherford

[permalink] [raw]
Subject: [2.4.20] via82cxxx goes postal and locks system, no full duplex(?)

I get a lot of errors, sometimes it locks the system, sometimes it does
not.
one of them is as follows:
via_audio: ignoring drain playback error -11
via_audio: ignoring drain playback error -11
via_audio: ignoring drain playback error -11

now this causes no problem because when its happening I hear no change
in the audio, so I basically ignored this error.
I started getting this error, and after this error is logged the box
sometimes deadlocks:

Assertion failed! chan->is_active ==
sg_active(chan->iobase),via82cxxx_audio.c,via_chan_maybe_start,line=1198

this error repeats several times and is the same.
ive got a 50/50 chance of deadlocking at this point.

this is the second failure in getting a via board to work.
I also have a kt400/8235 machine that has no driver, so im really
screwed :(
2 machines both with via sound, both act crazy.
I also have no full duplex, at least I cant find out if this is the
case.
I can play a game, and the game only. if i run something like teamspeak,
or an mp3 player the seconf application will crash, or lock up.
this often triggers the errors above.
I understand this is a full duplex issue.
as long as I do not load 2 apps that use sound, im okay.
I have had to rid KDE of its sound daemon to avoid crashing.
I hope someone has an idea.

lspci info:
00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133]
(rev 03)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133 AGP]

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South]
(rev 40)
00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06)
00:07.2 USB Controller: VIA Technologies, Inc. USB (rev 1a)
00:07.3 USB Controller: VIA Technologies, Inc. USB (rev 1a)
00:07.4 SMBus: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev
40)
00:07.5 Multimedia audio controller: VIA Technologies, Inc. VT82C686
AC97 Audio Controller (rev 50)
00:0a.0 Ethernet controller: Linksys Network Everywhere Fast Ethernet
10/100 model NC100 (rev 11)
01:00.0 VGA compatible controller: 3Dfx Interactive, Inc. Voodoo 3 (rev
01)

from dmesg:
ac97_codec: AC97 Audio codec, id: 0x414c:0x4710 (ALC200/200P)
via82cxxx: board #1 at 0xDC00, IRQ 10


--
Regards,
Mark Rutherford
[email protected]


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2002-12-15 23:40:01

by Michal Jaegermann

[permalink] [raw]
Subject: Re: [2.4.20] via82cxxx goes postal and locks system, no full duplex(?)

On Sat, Dec 14, 2002 at 10:56:17PM -0500, Mark Rutherford wrote:
> I get a lot of errors, sometimes it locks the system, sometimes it does
> not.

I only can to add that I reported basically the same error sometimes
in October with respect to a kernel 2.4.18-17.8.0 used at that
time in Red Hat 8.0 distribution ( #76603 is a reference to Red Hat
bugzilla). The only difference is that it works for me 100% of
time. :-)

Initially I ascribed it mistakenly to 'gnome-session', as it tries
to play something and locks my machine with an absolute reliability,
and without any traces in logs, but in later comments I corrected
that initial impression. So far I do not know of any fixes but
sounds like the same "improvements" found its way into 2.4.20
kernel.

>
> lspci info:
> 00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133] (rev 03)
> 00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133 AGP]
>
> 00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 40)
....
> 00:07.5 Multimedia audio controller: VIA Technologies, Inc. VT82C686
> AC97 Audio Controller (rev 50)

I have here somewhat older hardware but in various aspects quite
similar

00:00.0 Host bridge: VIA Technologies, Inc. VT8371 [KX133] (rev 02)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8371 [KX133 AGP]
00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 21)
....
00:07.4 Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 30)
00:07.5 Multimedia audio controller: VIA Technologies, Inc. VT82C686
AC97 Audio Controller (rev 20)

This is a more complete picture of my PCI bus:

-[00]-+-00.0 VIA Technologies, Inc. VT8371 [KX133]
+-01.0-[01]----00.0 Matrox Graphics, Inc. MGA G400 AGP
+-07.0 VIA Technologies, Inc. VT82C686 [Apollo Super South]
+-07.1 VIA Technologies, Inc. VT82C586B PIPC Bus Master IDE
+-07.4 VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
+-07.5 VIA Technologies, Inc. VT82C686 AC97 Audio Controller
\-09.0-[02]--+-04.0 LSI Logic / Symbios Logic 53c895
\-05.0 Digital Equipment Corporation DECchip 21142/43


Michal

2002-12-16 14:06:53

by Alan

[permalink] [raw]
Subject: Re: [2.4.20] via82cxxx goes postal and locks system, no full duplex(?)

On Sun, 2002-12-15 at 03:56, Mark Rutherford wrote:
> this is the second failure in getting a via board to work.
> I also have a kt400/8235 machine that has no driver, so im really
> screwed :(

8235 is supported in the latest -ac code. I sent Jeff the patches, or
by ALSA