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SubjectRe: TCPv4 bad checksum in 2.1.131-ac8/9/10

Radu Raduta writes:
> Hi!
>
> On 15 Dec 1998, Paul Flinders wrote:
> > Is anyone else seeing bad checksums in recent kernels?
> >
> > I get a slew of
> >
> > TCPv4 bad checksum from 194.217.242.34:c1da to 194.222.0.39:0019, len=x/x/x+20
> >
> > when I pick up my mail (194.217.242.34 is one of my ISP mail machines).
> > Oddly I only see it to port 25 on my machine (I've just ftped the ac11
> > patches and a few other things with no problems) and I don't seem to have
> > lost any data so I'm wondering if it's a hardware problem but I've only
> > noticed it in the last 2 days (since I installed ac 8 or 9)

I'm fairly certain the port 25 thing was a co-incidence - I've seen it
on other connections now. I also don't seem to have problems with
2.0.36 so it doesn't appear to be hardware.

>
> i've been getting alot of them fsking checksum errors over a ppp on
> some 33.6K modem, while fetching my mail...it seems that
> whenever i start another task (even running a +20 niced task or just
> loging in on another VT), i get flooded with this ....
> during this time, fetchmail freezes, and i just have to wait a few
> seconds until it starts fetching again...it's really bothering. Note that
> this kind of errors are usually followed by a few lines like:
>
> last message repeated 7 times
> last message repeated 9 times
>
> I'm now using 2.1.131ac9, but i've been getting this since plain old
> 2.1.131 ( maybe even before...can test and see, if necesarry).
> pppd is 2.3 patch level 5. (is this the recommended 2.3.5 ?)

Similar set up to mine and I also get it with "vanilla" 131

Any ideas folks?

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