On Tue, 5 Nov 2013 10:23:41 -0800 Neil Sikka <neilsikka@xxxxxxxxx> wrote: > Hello. I am running Debian 7.2, and I get errors writing "large" > (32.5KB) files to shares mounted via CIFS. Writing "small" files to > the remote share works. I am not sure if its relevant, but this share > is mounted over a slow pptp connection. Here are some of the details > of what I am running: > > 3.2.0-4-amd64 #1 SMP Debian 3.2.51-1 x86_64 GNU/Linux > 3.2 is ancient history now ;) > The Kernel log contains the following data: > > [ 2243.047442] CIFS VFS: Server <IP_REMOVED> has not responded in 300 > seconds. Reconnecting... > [ 2263.693713] CIFS VFS: sends on sock ffff88020e477d40 stuck for 15 seconds > [ 2263.693721] CIFS VFS: Error -11 sending data on socket to server Looks like you're losing connectivity to the server. I'd have a hard look at your network connectivity. Maybe sniff traffic and see if you can figure out what's happening on the wire. > [ 2279.434990] INFO: task cp:4807 blocked for more than 120 seconds. > [ 2279.434996] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [ 2279.435000] cp D ffff88023fc93780 0 4807 4412 0x00000000 > [ 2279.435009] ffff8802336281c0 0000000000000086 ffff8802239067f0 > ffff8802333a5650 > [ 2279.435017] 0000000000013780 ffff880235ba7fd8 ffff880235ba7fd8 > ffff8802336281c0 > [ 2279.435025] ffffffff810135d2 ffffffff81066245 ffff880233348d70 > ffff88023fc93fd0 > [ 2279.435033] Call Trace: > [ 2279.435045] [<ffffffff810135d2>] ? read_tsc+0x5/0x14 > [ 2279.435052] [<ffffffff81066245>] ? timekeeping_get_ns+0xd/0x2a > [ 2279.435060] [<ffffffff810b4afb>] ? lock_page+0x20/0x20 > [ 2279.435067] [<ffffffff8134e141>] ? io_schedule+0x59/0x71 > [ 2279.435073] [<ffffffff810b4b01>] ? sleep_on_page+0x6/0xa > [ 2279.435078] [<ffffffff8134e584>] ? __wait_on_bit+0x3e/0x71 > [ 2279.435085] [<ffffffff810b4c3d>] ? wait_on_page_bit+0x6e/0x73 > [ 2279.435093] [<ffffffff8105fcad>] ? autoremove_wake_function+0x2a/0x2a > [ 2279.435100] [<ffffffff810b4d15>] ? filemap_fdatawait_range+0x74/0x139 > [ 2279.435108] [<ffffffff810b64c9>] ? filemap_write_and_wait+0x24/0x30 > [ 2279.435124] [<ffffffffa063d3ce>] ? cifs_flush+0x20/0x50 [cifs] > [ 2279.435132] [<ffffffff810f922d>] ? filp_close+0x3b/0x6a > [ 2279.435137] [<ffffffff810f92ea>] ? sys_close+0x8e/0xcb > [ 2279.435143] [<ffffffff81354212>] ? system_call_fastpath+0x16/0x1b > [ 2294.192963] CIFS VFS: sends on sock ffff88020e477d40 stuck for 15 seconds > [ 2294.192971] CIFS VFS: Error -11 sending data on socket to server > > I mounted the CIFS share using the following command: > mount -t cifs //<IP_REMOVED>/share /mnt/net2/ -o username=<USERNAME_REMOVED> > > I see many other people had this problem in the past (almost 4 years > ago). A similar description can be found here: > > https://bugzilla.redhat.com/show_bug.cgi?id=522867 > > That bug was marked as WONTFIX > > Was there ever a workaround or resolution for this bug? I am obviously > not running software from 2009 (like in that bugzilla post), so I > would have thought this would have been resolved. Could this bug be a > regression? > > Thanks. > -- Jeff Layton <jlayton@xxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
