Thread (37 messages) 37 messages, 5 authors, 2015-01-19

Re: [bisected] xfrm: TCP connection initiating PMTU discovery stalls on v3.12+

From: Thomas Jarosch <hidden>
Date: 2014-12-09 08:54:06

On Monday, 8. December 2014 23:20:42 Wolfgang Walter wrote:
Am Freitag, 5. Dezember 2014, 05:26:25 schrieb Eric Dumazet:
quoted
On Fri, 2014-12-05 at 13:09 +0100, Wolfgang Walter wrote:
quoted
Hello,

as reverting this patch fixes this rather annoying problem: is it
dangerous to revert it as a workaround until the root cause is found?
Unfortunately no, this patch fixes a serious issue.

We need to find the root cause of your problem instead of trying to work
around it.
I only wanted to use it as local workaround here.


I looked a bit at at code. I'm not familiar with the network code, though
:-).
If it helps, I'm running the reverted patch on five production boxes hitherto 
without a hiccup. As far as I understood the original commit message,
some packet counters might me wrong without it.

@Eric: What could possibly go wrong(tm)? :)

Of course a real fix is preferred over this band-aid.

Cheers,
Thomas
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