Am Sat, 04 Mar 2017 08:02:11 +0000 schrieb "J. Roeleveld" <jo...@antarean.org>:
> On March 4, 2017 12:41:05 AM GMT+01:00, Grant Edwards > <grant.b.edwa...@gmail.com> wrote: > >On 2017-03-03, J. Roeleveld <jo...@antarean.org> wrote: > > > >> On March 3, 2017 7:49:27 PM GMT+01:00, Grant Edwards > ><grant.b.edwa...@gmail.com> wrote: > > > [...] > >and > [...] > > > >[...] > > > >> My guess would be some timeout setting on the server killing the > >> login. > > > >That doesn't seem to be the problem. I've asked around, and others > >aren't seeing this problem. > > > >I've also noticed that sometimes the mounts will start working again > >without a umount/mount, but I can't figure out what causes it... > > > >Normally, when things are working but idle, the TCP connection to 445 > >shows an SMB echo request/rseponse transaction once per minute. When > >it fails, the TCP connection evidently got dropped, and the Windows > >machine repeatedly shuts down new ones: > > > >The failure mode looks like this in wireshark: > > > > Gentoo Windows > > > > -> SYN -> 445 > > <- SYN/ACK <- 445 > > -> ACK -> 445 > > -> SMB[echo req] -> 445 > > <- RST <- 445 > > > >[that repeats 800 times per second for long periods of time] > > > >Then at some point, it starts to work: > > > > -> SYN -> 445 > > <- SYN/ACK <- 445 > > -> ACK -> 445 > > -> SMB[proto neg req] -> 445 > > <- SMB[proto neg rsp] <- 445 > > -> SMB[ses setup req] -> 445 > > <- SMB[ses setup rsp] <- 445 > > ... > > > >Sometimes the umount times out and "fails" because the "host is > >down", and when that happens, it seems like it immediately starts to > >work again. :/ > > Are other hosts linux or windows? > > Maybe a dodgy switch forgetting the correct path? Or an MTU problem... Is there a router in the path? -- Regards, Kai Replies to list-only preferred.
