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Re: ISDN is killing interrupt handler on L2.4.0test9

To: Henner Eisen <eis@xxxxxxxxxxxxx>
Subject: Re: ISDN is killing interrupt handler on L2.4.0test9
From: Hartwig Felger <hgfelger@xxxxxxxxxxx>
Date: Tue, 17 Oct 2000 16:29:46 +0200 (CEST)
Cc: netdev@xxxxxxxxxxx, i4ldeveloper@xxxxxxxxxxxxxxxxxxxxxx
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Salut Henner,
On Mon, 16 Oct 2000, Henner Eisen wrote:
>     Hartwig> isdn4k-utils.v3.1pre1 against test9, using a gcc-2.95.2
> o.k., just wanted to be sure because I observed some minor instability
> problems when the isdn-related header files changed some -testX ago.
> Otherwise, I did not experience any problems.
>     Hartwig> not have logging-information.
> As it occurs only with certain providers, it might be compression related.
That's it - I tryed to switch-off some before, but forgot to disable
bsdcomp and ccp. The CCP is the bad thing!
> - Can you determine form the syslog (`debug' option of ipppd) what
>   compression was negotiated with the different providers? 
> - For the providers which crash: Try to switch on or off compression
>   by means of the ipppd command line or ipppd´s options file.
Does anybody know, where ccp is implemented (ipppd vs. kernel). Best would
be, if somebody tells me, which source-file it is, then I may dig a bit
After adding "noccp" everything works again for me.
Is there a way, to make ipppd put out the logging to stderr, instead of
piping it to the syslog, as it is always too late to get piped to the
other process, and if the kernel hangs completely, the unsynced part of
the files is not recoverable.

Thanks hartwig :-)

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