Date: Fri, 8 Jun 2001 20:43:08 +0100 From: Graham Barr <gbarr@pobox.com> To: Bernd Walter <ticso@mail.cicely.de> Cc: Matt Dillon <dillon@earth.backplane.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: read(2) and ETIMEDOUT Message-ID: <20010608204308.S50444@pobox.com> In-Reply-To: <20010608213915.A27537@cicely20.cicely.de>; from ticso@mail.cicely.de on Fri, Jun 08, 2001 at 09:39:15PM %2B0200 References: <20010607171501.S50444@pobox.com> <200106071653.f57Grsn73369@earth.backplane.com> <20010607180011.U50444@pobox.com> <200106071733.f57HXov74249@earth.backplane.com> <20010607183535.X50444@pobox.com> <200106072220.f57MKwv78170@earth.backplane.com> <20010608213915.A27537@cicely20.cicely.de>
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On Fri, Jun 08, 2001 at 09:39:15PM +0200, Bernd Walter wrote: > On Thu, Jun 07, 2001 at 03:20:58PM -0700, Matt Dillon wrote: > > > > : > > :On Thu, Jun 07, 2001 at 10:33:50AM -0700, Matt Dillon wrote: > > :> > > :> : > > :> :Thanks, I will try setting errno, but I don't think it is signals. > > :> :I have been running truss on the process. The relevant part is > > :> : > > :> :gettimeofday(0xbfbffa54,0x0) = 0 (0x0) > > :> :select(0x50,0x93f8c90,0x0,0x0,0xbfbffa74) = 3 (0x3) > > :> :read(0x16,0xa2da000,0x8000) ERR#60 'Operation timed out' > > :> : > > :> :In fact there are no signals in the whole truss output > > :> : > > :> :Graham. > > :> > > :> What type of descriptor is the read being performed on? A TCP > > :> connection or, say, a reading a file over NFS? > > : > > :It is a TCP/IP connection. > > : > > :Graham. > > > > You can get this if the TCP connection times out, either through a > > keepalive timeout or the protocol hits the maximum number of transmit > > retries. I'd have to delve into the cvs logs to see when it was added, > > but it seems reasonable. You should treat it simply as an EIO or > > something like that. > > Keepalives are a good point. > I know of OS/2 Systems that can't handle them and behave the way you > describe. > What system is on the other side? All the systems are exactly the same Graham. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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