Lustre devel - Jan 2007 - [Bug 10903] not aligned pages on directio

Please don''t reply to lustre-devel. Instead, comment in Bugzilla by
using the following link:
https://bugzilla.lustre.org/show_bug.cgi?id=10903

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |cfsbugs@cray.com
OtherBugsDependingO|                            |718
              nThis|                            |
           Severity|S3 (normal)                 |S2 (major)


I believe we have hit this same bug testing our ~month old 1.4.9pre snapshot
from b1_4_sles10.

I''m bumping up the severity as this will block 1.4.9 for us.


Jan 14 10:55:21 nid00132 kernel: LustreError:
13024:0:(osc_request.c:935:osc_brw_prep_request()) ASSERTION(pg->count >
0) failed
Jan 14 10:55:21 nid00132 kernel: LustreError:
13024:0:(tracefile.c:443:libcfs_assertion_failed()) LBUG 
Jan 14 10:55:21 nid00132 kernel: Lustre:
13024:0:(linux-debug.c:156:libcfs_debug_dumpstack()) showing stack for process
13024 
Jan 14 10:55:21 nid00132 kernel: diotest4      R  running task       0 13024 
12949                     (NOTLB)
Jan 14 10:55:21 nid00132 kernel: 0000000000000103 00000000099ace9c
ffff81000fae9100 ffff81000fae9100  
Jan 14 10:55:21 nid00132 kernel:        00000000000002ae ffff81000fae9100
0000000045aa6079 ffff81006c726aa0  
Jan 14 10:55:21 nid00132 kernel:        000000000050c001 ffff8100027a0968  
Jan 14 10:55:21 nid00132 kernel: Call Trace:
<ffffffff8016ccc6>{follow_page+534}
<ffffffff8016d067>{get_user_pages+775} 
Jan 14 10:55:21 nid00132 kernel:       
<ffffffff88315a3a>{:lov:lov_stripe_size+698}
<ffffffff8839d1e3>{:llite:ll_direct_IO_26+1187} 
Jan 14 10:55:21 nid00132 kernel:       
<ffffffff8836eb04>{:llite:ll_file_read+2052}
<ffffffff80182287>{vfs_read+183}
Jan 14 10:55:21 nid00132 kernel:        <ffffffff80182600>{sys_read+80}
<ffffffff8010bd4a>{system_call+126} 
Jan 14 10:55:21 nid00132 kernel: LustreError: dumping log to
/tmp/lustre-log.1168793721.13024 

It does not appear the lustre-log is available.

Please don''t reply to lustre-devel. Instead, comment in Bugzilla by
using the following link:
https://bugzilla.lustre.org/show_bug.cgi?id=10903

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


Landed to b1_4 and b_release_1_4_9 for 1.4.9
And to b1_5 for 1.6beta8