Comment 18 for bug 1373473

> This could be a duplicate of bug 1372482
>
> Can you post the errors you seen in /var/log/syslog?

Alright, there's a trace message:

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Sep 25 09:00:01 pi-behrens kernel: [ 835.395138] WARNING: CPU: 0 PID: 4226 at /build/buildd/linux-3.13.0/fs/cifs/transport.c:313 smb_send_rqst+0x215/0x270 [cifs]()
Sep 25 09:00:01 pi-behrens kernel: [ 835.395142] Send length mismatch(send_length=72 smb_buf_length=2164260932)
Sep 25 09:00:01 pi-behrens kernel: [ 835.395144] Modules linked in: cfg80211 pci_stub vboxpci(OX) vboxnetadp(OX) vboxnetflt(OX) vboxdrv(OX) nls_utf8 cifs usblp snd_hda_codec_hdmi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core snd_usb_audio snd_usbmidi_lib videodev eeepc_wmi asus_wmi sparse_keymap snd_hda_codec_via nfsv4 rfcomm bnep snd_hda_intel snd_hda_codec bluetooth snd_hwdep snd_pcm intel_rapl snd_page_alloc x86_pkg_temp_thermal intel_powerclamp snd_seq_midi snd_seq_midi_event coretemp snd_rawmidi snd_seq kvm_intel kvm nfsd crct10dif_pclmul auth_rpcgss crc32_pclmul nfs_acl nfs ghash_clmulni_intel cryptd lockd sunrpc fscache serio_raw snd_seq_device snd_timer snd nouveau lpc_ich soundcore mxm_wmi ttm drm_kms_helper drm i2c_algo_bit ppdev parport_pc mei_me lp parport video wmi mac_hid mei hid_generic usbhid hid usb_storage ahci r8169 libahci mii
Sep 25 09:00:01 pi-behrens kernel: [ 835.395241] CPU: 0 PID: 4226 Comm: mount.cifs Tainted: G W OX 3.13.0-36-generic #63-Ubuntu
Sep 25 09:00:01 pi-behrens kernel: [ 835.395245] Hardware name: System manufacturer System Product Name/P8B75-M LX, BIOS 0803 10/10/2012
Sep 25 09:00:01 pi-behrens kernel: [ 835.395248] 0000000000000009 ffff88011626dbb0 ffffffff8171e569 ffff88011626dbf8
Sep 25 09:00:01 pi-behrens kernel: [ 835.395254] ffff88011626dbe8 ffffffff8106775d ffff88011626dd00 ffff8800b428d000
Sep 25 09:00:01 pi-behrens kernel: [ 835.395260] ffff88011626dcc8 0000000000000001 0000000000000000 ffff88011626dc48
Sep 25 09:00:01 pi-behrens kernel: [ 835.395265] Call Trace:
Sep 25 09:00:01 pi-behrens kernel: [ 835.395273] [<ffffffff8171e569>] dump_stack+0x45/0x56
Sep 25 09:00:01 pi-behrens kernel: [ 835.395279] [<ffffffff8106775d>] warn_slowpath_common+0x7d/0xa0
Sep 25 09:00:01 pi-behrens kernel: [ 835.395284] [<ffffffff810677cc>] warn_slowpath_fmt+0x4c/0x50
Sep 25 09:00:01 pi-behrens kernel: [ 835.395299] [<ffffffffa06e14c5>] smb_send_rqst+0x215/0x270 [cifs]
Sep 25 09:00:01 pi-behrens kernel: [ 835.395307] [<ffffffff81690218>] ? __inet_stream_connect+0x208/0x320
Sep 25 09:00:01 pi-behrens kernel: [ 835.395319] [<ffffffffa06e155d>] smb_sendv+0x3d/0x40 [cifs]
Sep 25 09:00:01 pi-behrens kernel: [ 835.395330] [<ffffffffa06e1588>] smb_send+0x28/0x30 [cifs]
Sep 25 09:00:01 pi-behrens kernel: [ 835.395341] [<ffffffffa06cb15d>] generic_ip_connect+0x30d/0x3e0 [cifs]
Sep 25 09:00:01 pi-behrens kernel: [ 835.395348] [<ffffffff811a1d65>] ? __kmalloc+0x55/0x230
Sep 25 09:00:01 pi-behrens kernel: [ 835.395359] [<ffffffffa06cf69c>] cifs_mount+0x85c/0xaf0 [cifs]
Sep 25 09:00:01 pi-behrens kernel: [ 835.395368] [<ffffffffa06be040>] cifs_do_mount+0xa0/0x4d0 [cifs]
Sep 25 09:00:01 pi-behrens kernel: [ 835.395376] [<ffffffff811c10a9>] mount_fs+0x39/0x1b0
Sep 25 09:00:01 pi-behrens kernel: [ 835.395382] [<ffffffff811dc447>] vfs_kern_mount+0x67/0x110
Sep 25 09:00:01 pi-behrens kernel: [ 835.395387] [<ffffffff811deca4>] do_mount+0x244/0xb20
Sep 25 09:00:01 pi-behrens kernel: [ 835.395393] [<ffffffff811530be>] ? __get_free_pages+0xe/0x50
Sep 25 09:00:01 pi-behrens kernel: [ 835.395398] [<ffffffff811de8e6>] ? copy_mount_options+0x36/0x170
Sep 25 09:00:01 pi-behrens kernel: [ 835.395403] [<ffffffff811df873>] SyS_mount+0x83/0xc0
Sep 25 09:00:01 pi-behrens kernel: [ 835.395409] [<ffffffff8172efad>] system_call_fastpath+0x1a/0x1f
Sep 25 09:00:01 pi-behrens kernel: [ 835.395412] ---[ end trace 3ec5a8fa5f0c83a7 ]---
Sep 25 09:00:01 pi-behrens kernel: [ 835.397427] CIFS VFS: Error connecting to socket. Aborting operation.
Sep 25 09:00:01 pi-behrens kernel: [ 835.397569] CIFS VFS: cifs_mount failed w/return code = -5

> Also, there is a test kernel in bug 1372482 you could try:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1372482/comments/12

Yep, will try.