Bug 13727

Summary: Cannot Recognize Empty DVD Media
Product: IO/Storage Reporter: Rafael J. Wysocki (rjw)
Component: OtherAssignee: io_other
Status: CLOSED CODE_FIX    
Severity: normal CC: thomas
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 2.6.31-rc1-git9 Subsystem:
Regression: Yes Bisected commit-id:
Bug Depends on:    
Bug Blocks: 13615    

Description Rafael J. Wysocki 2009-07-06 22:02:36 UTC 
Subject    : [BUG] Linux-2.6.31-rc1-git9 Cannot Recognize Empty DVD Media
Submitter  : Tarkan Erimer <tarkan.erimer@turknet.net.tr>
Date       : 2009-07-02 16:23
References : http://lkml.org/lkml/2009/7/2/178

This entry is being used for tracking a regression from 2.6.30.  Please don't
close it until the problem is fixed in the mainline.
Comment 1 Thomas Meyer 2009-07-08 15:54:19 UTC 
Looking at the commit between 2.6.31-rc1 and current master: Try reverting commit 018e0446890661504783f92388ecce7138c1566d (block: get rid of queue-private command filter).

I gave it a try and reverted above commit. Now the empty CD shows up again.
Comment 2 Thomas Meyer 2009-07-11 14:51:16 UTC 
Fixed by 76da03467a1a78811777561bbb1fa56175ee4778 (block: call blk_scsi_ioctl_init())