linux-kernel - Re: [TCP bug, regression] stuck distcc connections in latest -git

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20080724111231.GA6485@gondor.apana.org.au>
Date:	Thu, 24 Jul 2008 19:12:31 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	w@....eu, davem@...emloft.net, davidn@...idnewall.com,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	stefanr@...6.in-berlin.de, rjw@...k.pl, ilpo.jarvinen@...sinki.fi
Subject: Re: [TCP bug, regression] stuck distcc connections in latest -git

On Thu, Jul 24, 2008 at 11:25:18AM +0200, Ingo Molnar wrote:
>
> without rebooting the kernel, right? And then if the bug comes back 
> again we've nailed it down to the area you suspect, correct?

Yes, except that you'll have to reestablish those connections
to make the new setting take effect.  In either case please
verify with tcpdump to make sure that both sides are proposing
sack at the start of the connection.  Alternatively see whether
sacks are generated in case of packet loss.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/