https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-1887 Lustre <p>Echoing 0 to <b>osc</b>/cur_grant_bytes result to the following LBUG</p> <ol> <li>echo 0 &gt; /proc/fs/lustre/osc/scratch-OST0003-osc-ffff88004297a000/cur_grant_bytes</li> </ol> <p>Lustre: Mounted scratch-client<br/> LustreError: 4817:0:(layout.c:1528:__req_capsule_offset()) ASSERTION( offset &gt; 0 ) failed: OST_SET_GRANT_INFO:setinfo_val, off=0, loc=0<br/> LustreError: 4817:0:(layout.c:1528:__req_capsule_offset()) LBUG<br/> Pid: 4817, comm: bash</p> <p>Call Trace:<br/> <span class="error">&#91;&lt;ffffffffa03ab7f5&gt;&#93;</span> libcfs_debug_dumpstack+0x55/0x80 <span class="error">&#91;libcfs&#93;</span><br/> <span class="error">&#91;&lt;ffffffffa03abe07&gt;&#93;</span> lbug_with_loc+0x47/0xb0 <span class="error">&#91;libcfs&#93;</span><br/> <span class="error">&#91;&lt;ffffffffa063c39b&gt;&#93;</span> __req_capsule_offset+0x7b/0xc0 <span class="error">&#91;ptlrpc&#93;</span><br/> <span class="error">&#91;&lt;ffffffffa05ff05c&gt;&#93;</span> ? ptlrpc_request_alloc_internal+0xac/0x330 <span class="error">&#91;ptlrpc&#93;</span><br/> <span class="error">&#91;&lt;ffffffffa063c6de&gt;&#93;</span> req_capsule_set_size+0x6e/0x1c0 <span class="error">&#91;ptlrpc&#93;</span><br/> <span class="error">&#91;&lt;ffffffffa083f89b&gt;&#93;</span> osc_set_info_async+0xeb/0xa00 <span class="error">&#91;osc&#93;</span><br/> <span class="error">&#91;&lt;ffffffffa084b460&gt;&#93;</span> osc_shrink_grant_to_target+0x270/0x490 <span class="error">&#91;osc&#93;</span><br/> <span class="error">&#91;&lt;ffffffffa084efbc&gt;&#93;</span> osc_wr_cur_grant_bytes+0xdc/0x110 <span class="error">&#91;osc&#93;</span><br/> <span class="error">&#91;&lt;ffffffffa0487fdb&gt;&#93;</span> lprocfs_fops_write+0x7b/0xa0 <span class="error">&#91;obdclass&#93;</span><br/> <span class="error">&#91;&lt;ffffffff811e0c0e&gt;&#93;</span> proc_reg_write+0x7e/0xc0<br/> <span class="error">&#91;&lt;ffffffff8117b198&gt;&#93;</span> vfs_write+0xb8/0x1a0<br/> <span class="error">&#91;&lt;ffffffff810d6b12&gt;&#93;</span> ? audit_syscall_entry+0x272/0x2a0<br/> <span class="error">&#91;&lt;ffffffff8117bbb1&gt;&#93;</span> sys_write+0x51/0x90<br/> <span class="error">&#91;&lt;ffffffff8100b0f2&gt;&#93;</span> system_call_fastpath+0x16/0x1b</p> LU-1887

Shrinking cur_grant_byte LBUG

Bug Minor Resolved Fixed Lai Siyao Alexandre Louvet Tue, 11 Sep 2012 08:50:49 +0000 Sun, 17 Feb 2013 10:58:35 +0000 Sun, 17 Feb 2013 10:58:27 +0000 Lustre 2.1.2 Lustre 2.1.3 Lustre 2.4.0 Lustre 2.1.5 0 3 <p>Hongchao</p> <p>Could you please look into this one?</p> <p>Thanks</p> <p>Peter</p> <p>Lai</p> <p>Could you please look into this one?</p> <p>Thanks</p> <p>Peter</p> <p>Review is on: <a href="http://review.whamcloud.com/#change,4269" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#change,4269</a></p> <p>Patch for master is at: <a href="http://review.whamcloud.com/#change,4277" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#change,4277</a></p> <p>Landed for 2.1.5 and 2.4</p> Development Rank 1|hzvqbb: Rank (Obsolete) 8139 Severity