I am unsure what to do with this one. Haven't tested and can't reproduce this as we don't run this device anymore. Right now, using a "plain" NetApp FAS-2020, OnTap 7.4 and a 3.8.0 kernel off Ubuntu 13.04, this is no longer a problem. As far as I am concerned, this one could be closed.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/557890 Title: transfer lockup connecting to a NetApp/CIFS share Status in The Linux Kernel: New Status in “linux” package in Ubuntu: Incomplete Bug description: Binary package hint: samba Mounting a CIFS share off an IBM N3300 filer (== NetApp FAS 2020), I experienced some file managers, applications, ... to more or less regularly lock up / don't do anything while trying to browse folders. Looking more into this, it seems the problem is more basic. The thing is mounted using cifs: //192.168.1.252/data on /opt/filer type cifs (rw,mand) Looking at dmesg, these errors do appear more or less frequently when trying to read off the filer: [ 3757.049058] CIFS VFS: No response for cmd 50 mid 11642 [ 3763.068762] CIFS VFS: Bad protocol string signature header 4 [ 3763.068788] CIFS VFS: bad smb detected. The Mid=11646 [ 3763.068794] Bad SMB: : dump of 48 bytes of data at 0xf46e8000 [ 3763.068825] 00000040 00000004 00000032 80018800 @ . . . . . . . 2 . . . . . . . [ 3763.068855] 00000000 00000000 00000000 1e680040 . . . . . . . . . . . . @ . h . [ 3763.068885] 2d7e0800 0400020a 02000000 00003800 . . ~ - . . . . . . . . . 8 . . [ 3778.069085] CIFS VFS: No response for cmd 50 mid 11646 [ 3784.087139] CIFS VFS: Bad protocol string signature header 4 [ 3784.087161] CIFS VFS: bad smb detected. The Mid=11650 [ 3784.087165] Bad SMB: : dump of 48 bytes of data at 0xf46e9500 [ 3784.087171] 00000040 00000004 00000032 80018800 @ . . . . . . . 2 . . . . . . . [ 3784.087195] 00000000 00000000 00000000 1e680040 . . . . . . . . . . . . @ . h . [ 3784.087202] 2d820800 0400020a 02000000 00003800 . . . - . . . . . . . . . 8 . . [ 3799.084053] CIFS VFS: No response for cmd 50 mid 11650 [ 3805.102848] CIFS VFS: Bad protocol string signature header 4 [ 3805.102852] CIFS VFS: bad smb detected. The Mid=11654 [ 3805.102873] Bad SMB: : dump of 48 bytes of data at 0xf46e8540 [ 3805.102879] 00000040 00000004 00000032 80018800 @ . . . . . . . 2 . . . . . . . [ 3805.102903] 00000000 00000000 00000000 1e680040 . . . . . . . . . . . . @ . h . [ 3805.102909] 2d860800 0400020a 02000000 00003800 . . . - . . . . . . . . . 8 . . [ 3820.100062] CIFS VFS: No response for cmd 50 mid 11654 [ 3826.119095] CIFS VFS: Bad protocol string signature header 4 [ 3826.119100] CIFS VFS: bad smb detected. The Mid=11658 [ 3826.119120] Bad SMB: : dump of 48 bytes of data at 0xf46e8fc0 [ 3826.119127] 00000040 00000004 00000032 80018800 @ . . . . . . . 2 . . . . . . . [ 3826.119151] 00000000 00000000 00000000 1e680040 . . . . . . . . . . . . @ . h . [ 3826.119157] 2d8a0800 0400020a 02000000 00003800 . . . - . . . . . . . . . 8 . . It happens once in a while copying things off the filer using the shell, and it happens almost reliably when browsing to the share using any visual file manager. ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: smbfs 2:3.4.7~dfsg-1ubuntu2 ProcVersionSignature: Ubuntu 2.6.32-19.28-generic-pae 2.6.32.10+drm33.1 Uname: Linux 2.6.32-19-generic-pae i686 Architecture: i386 CIFSMounts: Error: command ['mount', '|', 'grep', 'cifs'] failed with exit code 1: mount: only root can do that Date: Thu Apr 8 09:09:58 2010 InstallationMedia: Xubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100224.1) ProcEnviron: PATH=(custom, user) LANG=de_DE.utf8 SHELL=/bin/bash SambaClientRegression: No SourcePackage: samba To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/557890/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp