On Fri, 19 Mar 2010 00:27:20 -0400, Dennis Nezic wrote: > On Fri, 19 Mar 2010 10:21:57 +0800, Bian Naimeng wrote: > > > After upgrading my server (kernel 2.6.19 to 2.6.33, nfs-utils > > > 1.1.0 to 1.2.1/1.1.4/1.1.6), and probably other stuff too), and > > > possibly my client laptop's kernel, I have suddenly started to > > > get these "server X not responding, timed out" errors (on my > > > client), especially (only?) when doing large file transfers. This > > > would lead to input/output errors, and the transfers would fail. > > > > > > I never noticed any such problems for over two years, using the > > > older versions. The networking (wifi link) hasn't changed. > > > > > > Usually the file transfer trips and falls over itself near the end > > > -- Ie. it will do 600MB out of 800MB just fine, and then suddently > > > start giving these "timed out" errors, and then crash and burn. At > > > this point, I am forced to "umount -fl" the mount. If I then try > > > to remount it, the server acnowledges my "authenticated mount > > > requests" perfectly fine, but my client (laptop) still appears > > > "hung". After a few minutes, I am able to remount it. > > > > > > I tried playing with the rsize/wsize/timeo/retrans variables, but > > > none of it seemed to fix the problem. > > > > > > Any ideas about what has changed? Maybe this is/was a well-known > > > problem? :P > > > > > > > I do not know the what's the reason. And I am not sure the > > followed discussion can fix this problem, but maybe it can help you. > > http://marc.info/?l=linux-nfs&m=123478426412524&w=2 > > Both the patches mentioned in that thread already seem to have been > applied to my kernels. So, although the problem seems related, it > wasn't that bug in particular. The person in that thread was talking > about mounts dying after 5-15minutes, which doesn't happen with me -- > my problem only seems to occur under intense activity. Hrm. I just noticed that my scp transfers are stalling -- which also didn't used to happen before with my old kernel. No error messages. Ftp transfers work fine. Eek. :S. (Despite the freezing/stalling, my *actual* network connection works perfectly.) Ideas? -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
