A gfs2 filesystem had a withdrawal after an assertion was encountered: warning: assertion "blks <= sdp->sd_jdesc->jd_blocks" failed

Issue

A gfs2 filesystem had a withdrawal after an assertion was encountered:

Nov 30 08:32:57 node42 kernel: GFS2: fsid=sas_cluster:gfs2_sas_lv.5: warning: assertion "blks <= sdp->sd_jdesc->jd_blocks" failed
Nov 30 08:32:57 node42 kernel: GFS2: fsid=sas_cluster:gfs2_sas_lv.5:   function = gfs2_log_reserve, file = fs/gfs2/log.c, line = 298
Nov 30 08:32:57 node42 kernel: Pid: 28562, comm: sas Tainted: G        W  ---------------    2.6.32-504.el6.x86_64 #1
Nov 30 08:32:57 node42 kernel: Call Trace:
Nov 30 08:32:57 node42 kernel: [<ffffffffa03a3780>] ? gfs2_assert_warn_i+0x90/0x110 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffffa038bdf6>] ? gfs2_log_reserve+0x186/0x190 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffffa03a3203>] ? gfs2_trans_begin+0x103/0x190 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffffa0376ecf>] ? recursive_scan+0x35f/0x740 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffffa037701b>] ? recursive_scan+0x4ab/0x740 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffff811240de>] ? find_get_page+0x1e/0xa0
Nov 30 08:32:57 node42 kernel: [<ffffffff8112547f>] ? find_or_create_page+0x3f/0xb0
Nov 30 08:32:57 node42 kernel: [<ffffffffa0377395>] ? trunc_dealloc+0xe5/0x100 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffffa0383baf>] ? gfs2_glock_put+0x3f/0x180 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffff8118ffcd>] ? __sb_end_write+0x3d/0x70
Nov 30 08:32:57 node42 kernel: [<ffffffffa03a3007>] ? gfs2_trans_end+0xb7/0x1b0 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffffa0378c2b>] ? do_shrink+0x1eb/0x550 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffffa03790eb>] ? gfs2_setattr_size+0x12b/0x260 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffffa0395a6c>] ? gfs2_setattr+0x1dc/0x350 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffffa03958d6>] ? gfs2_setattr+0x46/0x350 [gfs2]
Nov 30 08:32:57 node42 kernel: [<ffffffff811ad0a8>] ? notify_change+0x168/0x340
Nov 30 08:32:57 node42 kernel: [<ffffffff8118c134>] ? do_truncate+0x64/0xa0
Nov 30 08:32:57 node42 kernel: [<ffffffff8118c4e0>] ? sys_ftruncate+0x120/0x130
Nov 30 08:32:57 node42 kernel: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b
Nov 30 08:32:57 node42 kernel: GFS2: fsid=sas_cluster:gfs2_sas_lv.5: fatal: assertion "ret == 0" failed
Nov 30 08:32:57 node42 kernel: GFS2: fsid=sas_cluster:gfs2_sas_lv.5:   function = gfs2_glock_finish_truncate, file = fs/gfs2/glock.c, line = 1562
Nov 30 08:32:57 node42 kernel: GFS2: fsid=sas_cluster:gfs2_sas_lv.5: about to withdraw this file system
Nov 30 08:32:58 node42 kernel: GFS2: fsid=sas_cluster:gfs2_sas_lv.5: telling LM to unmount
Nov 30 08:32:58 node42 kernel: GFS2: fsid=sas_cluster:gfs2_sas_lv.5: withdrawn