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SubjectRe: Random PPP Dropouts
On Thu, 7 Jan 1999, Riley Williams wrote:

> Hi Mike.
>
> >>> I am running kernel 2.2.0-pre4, with pppd 2.3.5, I use a dial on
> >>> demand system for accessing the internet `pon provider' and I get
> >>> disconnected from my ISP after about 1 hour of connection. If I
> >>> quickly re-connect it doesn't happen again, but it is costing me
> >>> phone calls so I thought I'd report it.
>
> >> I could reproduce this problem with ISDN and ipppd. When the
> >> connection seems to be blocked on the second dial, then there is a
> >> duplicate entry in the routing table:
>
> >> {harri@bilbo:harri 1} netstat -nr
> >> Kernel IP routing table
> >> Destination Gateway Genmask Flags MSS Window irtt Iface
> >> 146.225.0.0 0.0.0.0 255.255.0.0 U 0 0 0 ippp0
> >> 146.225.0.0 0.0.0.0 255.255.0.0 U 0 0 0 ippp0
>
> > This was driving me nuts. It appeared with pre1, and I reversed
> > just about the entire patch piece by piece until just about the
> > only thing left was drivers and the makefile version changes. You
> > guessed it...the makefile changes. I haven't figured out why yet,
> > but I now have a pre1 with everything except that, and the annoying
> > route and demand dial problems are gone. 'Course it has an identity
> > crisis, (it thinks it's 2.1.132) but it works.
>
> That had me wondering if it was due to the new KERNELRELEASE makefile
> variable not being defined somewhere, so I grep'd the entire Makefile
> tree to see if there were any remaining places where it might belong.
>
> As it turns out, there are three occasions where EXTRAVERSION isn't
> used, although in each case, I'm not sure whether it should be, but
> here's the details anyway, this relating to 2.2.0-pre4-ac4 if that
> helps, all paths relative to /usr/src/linux or wherever you unpacked
> the source...
>
> 1. Makefile line 285
> 2. arch/arm/boot/Makefile line 23
> 3. arch/arm/boot/Makefile line 23
>
> Comments?

I think it's just a case of userland daemon not being maximum flexible
wrt version parsing. May be other apps out there that are pickey too.

-Mike


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