Comment 7 for bug 1239384

Since I upgraded from stable 13.04 Raring to development 13.10 Saucy, one week ago, I can't access shared folders neither, but maybe this is a different bug. The shared folder is named "shared".

When all was working fine with Raring, I could "sudo ls /media/sf_shared". I couldn't as normal user (permission denied).

Now, the same command hangs and must be aborted with a Ctrl+C. For a single user log in, dmesg logs several occurences of the following, with different pSession addresses, as in "pSession(<address>)" :
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VBoxGuest: VBoxGuestCommonGuestCapsAcquire: pSession(0xffff8800b6bcc810), OR(0x0), NOT(0xffffffff), flags(0x0)
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Note that the 'vboxsf' group is empty, that the 'vboxadd' user belongs no group, and I touched nothing about that ;) Adding root and my user to vboxsf, plus reboot, makes no difference in behavior and logs.

Also, I'm fully using the snapshots functionality (up to 20 snapshots at some times, regularly flushing older ones), with satisfaction and no issue. But this issue may be related to this usage.

Please find the full log and context attached (bug-virtualbox-guest-dkms-1239384-comment-7.log).