On Thu, 12 Mar 2009, Tim Kientzle wrote: > I think this may be a different problem. The earlier thread involved a > ZFS bug that causes it to lock up if it receives a request to enumerate > extended attributes on a file (via extattr_list_link system call). Tar > recently added support for backing up extended attributes. I've > disabled that support until this particular ZFS problem can be fixed. I just rebuilt world on one box and the problem went away. Your fix I assume? > However, pkg_add uses tar to extract archives, not create them, so this > is not the same problem. I haven't disabled tar support for restoring > extended attributes, but no existing packages should have extended > attributes to be restored, so I doubt this is the same issue. > > 1) Do you get the same symptoms on UFS? No problems on UFS. > 2) Is this on extraction or just create? The problem occurs with just tar create. I'm not sure why pkg_add provokes it. > 3) Can you run tar under "ktrace" and figure out what system call is > provoking the problem? I'm not sure how I could dump the ktrace.out after a panic. A truss of a tar create on a zfs volume shows the last call to be: __acl_get_file(...) ERR#45 'Operation not supported' shared lock of (lockmgr) zfs _at_ /usr/src/sys/kern/vfs_lookup.c:442 Cheers. -- Mark Powell - UNIX System Administrator - The University of Salford Information & Learning Services, Clifford Whitworth Building, Salford University, Manchester, M5 4WT, UK. Tel: +44 161 295 6843 Fax: +44 161 295 5888 www.pgp.com for PGP keyReceived on Thu Mar 12 2009 - 21:23:14 UTC
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