On Tue, 2008-12-16 at 12:55 -0500, J. Bruce Fields wrote: > On Sun, Dec 14, 2008 at 06:24:05PM +0000, Ian Campbell wrote: > > On Sat, 2008-12-06 at 12:16 +0000, Ian Campbell wrote: > > > On Mon, 2008-12-01 at 22:09 +0000, Ian Campbell wrote: > > > > On Sun, 2008-11-30 at 19:17 -0500, Trond Myklebust wrote: > > > > > Can you see if the following 3 patches help? They're against 2.6.28-rc6, > > > > > but afaics the problems are pretty much the same on 2.6.26. > > > > > > > > Thanks. > > > > > > > > The server was actually running 2.6.25.7 but the matching sources have > > > > since been removed the backports.org so I've reproduce with 2.6.26 and > > > > now I'll add the patches. > > > > > > Just a small progress report. Anecdotally I thought that unpatched > > > 2.6.26.7 was worse than 2.6.25.7, mostly because it hung twice in the ~1 > > > day I was running it where previously it was less frequent than once per > > > day. > > > > > > With the patched server the client ran OK for 2.5 days then mysteriously > > > hung, the logs show none of the normal symptoms and my wife reset it > > > before I got home so I've no real clue what happened but I'm inclined to > > > think it was unrelated for now. I'll get back to you in a week or so if > > > the problem hasn't reoccurred. > > > > $ uptime > > 18:15:29 up 9 days, 22 min, 1 user, load average: 0.74, 0.64, 0.46 > > > > This is on the problematic client, so it looks like the server side fix > > has sorted it. Thanks very much Trond. > > Thanks for the testing! So this was with the following three patches > applied on the server on top of 2.6.26? > > [PATCH 1/3] SUNRPC: Ensure the server closes sockets in a timely fashion > [PATCH 2/3] SUNRPC: We only need to call svc_delete_xprt() once... > [PATCH 3/3] SUNRPC: svc_xprt_enqueue should not refuse to enqueue 'XPT_DEAD' transports That's right, it was actually 2.6.26.7 FWIW. > I'll try to take a look at these before I leave for the holidays, > assuming the versions Trond posted on Nov. 30 are the latest. Thanks. Ian. -- Ian Campbell The light of a hundred stars does not equal the light of the moon.
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