Date: Thu, 17 Feb 2000 11:56:02 +0100 (CET) From: jan@sparud.net (Jan Sparud) To: hm@hcs.de Cc: freebsd-isdn@FreeBSD.ORG Subject: Re: crash Message-ID: <14507.54210.707855.731786@hinken.sparud.net> In-Reply-To: <20000216130511.192EF3891@hcswork.hcs.de> References: <200002160146.CAA00638@cat.turbocat.de> <20000216130511.192EF3891@hcswork.hcs.de>
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> There was a memory leak in the HSCX driver and in the Fritz PCI
> driver. This leak was obviously fixed only for the HSCX driver and
> in the Fritz PCI driver in the new-bus (layer1-nb) directory but not
> in the old-bus/NetBSD (layer1) directory for the i4b_avm_fritz_pci.c
> file.
> Please apply the following patch to your copy of i4b_avm_fritz_pci.c (and
> don't forget to tell us if it solved the problem):
I had already applied the last two patches (from an earlier message on
the list), to get the answering machine to work at all (otherwise it
panic'ed due to mbuf shortage). But the first patch (which signals an
error if a channel receives something whilst in an idle state) is new
to me, so I tried it. It didn't fix my problem, the ppp connection
still freezes when starting the answering machine, but it definitely
has something to do with this, since the driver spits out loads of
error messages introduced by the patch. See the attached
/var/log/messages file below (with isdndebug -m). Here are a few lines
from it:
Feb 17 10:37:32 gbox /netbsd: i4b-L1-avma1pp_hscx_intr: toss data from 0
Feb 17 10:37:32 gbox last message repeated 24 times
Feb 17 10:37:32 gbox /netbsd: i4b-L1-avma1pp_hscx_intr: RAWHDLC rx buffer overflow in RPF, in_len=2048
Feb 17 10:37:32 gbox /netbsd: i4b-L1-avma1pp_hscx_intr: toss data from 0
Feb 17 10:37:33 gbox last message repeated 62 times
Feb 17 10:37:33 gbox /netbsd: i4b-L1-avma1pp_hscx_intr: RAWHDLC rx buffer overflow in RPF, in_len=2048
It seems as the voice channel continues to receive loads of data, even
if no one is reading it (in the case below the answering machine was
active for about 3 seconds). So it is possible that Gary was right,
i.e., that the data is coming in so fast over the voice channel that
it's swamping the data channel.
/Jan Sparud
begin 644 messages.0.gz
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`
end
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