On Sun, Feb 5, 2012 at 11:10 PM, Willy Tarreau <[email protected]> wrote: > > 2.6.27-longterm review patch. If anyone has any objections, please let us > know. > > ------------------ > > commit 3308511c93e6ad0d3c58984ecd6e5e57f96b12c8 upstream. > > Make sure that SCSI device removal via scsi_remove_host() does finish > all pending SCSI commands. Currently that's not the case and hence > removal of a SCSI host during I/O can cause a deadlock. See also > "blkdev_issue_discard() hangs forever if underlying storage device is > removed" (http://bugzilla.kernel.org/show_bug.cgi?id=40472). See also > http://lkml.org/lkml/2011/8/27/6.
If you backport that commit, you should backport commit 745718132c3c7cac98a622b610e239dcd5217f71 too. See e.g. http://lkml.org/lkml/2011/11/8/22. Bart. -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
