growisofs: patch - Device Busy status handling
Petr Sumbera <[email protected]>
| Newsgroups | gmane.comp.audio.cd-record |
|---|---|
| Message-ID | <[email protected]> |
Hi, We have found that growisofs hangs with new TEAC DVD drive (DV-W28SS-R). Problem is with handling Device Busy/Timeout occurred event where event[5]=0 (which is NoEvent). growisofs doesn't handle this particular case and instead it requests device for the event again and will get the same response (and thus it loops forever). Please see attached patch for this issue. Any comment is welcomed! Thanks, Petr
TEAC-DV-W28SS-R.diff
(text/plain, 644 B)
--- dvd+rw-tools-7.1/transport.hxx.orig st říj 6 04:28:06 2010
+++ dvd+rw-tools-7.1/transport.hxx st říj 6 04:58:25 2010
@@ -1794,9 +1794,12 @@
break;
case 5: ret |= 1<<5; break; // Multiple Initiators
case 6: // Device Busy
- if ((event[4]&0xF)==1 && // Timeout occured
- (event[5]&0x3)!=0)
- { poll(NULL,0,(descr&0xFFFF)*100+100);
+ if ((event[4]&0xF)==1) // Timeout occured
+ {
+ if ((event[5]&0x3)==0) // No Event
+ return 0; // Ready to accept any command
+
+ poll(NULL,0,(descr&0xFFFF)*100+100);
cmd[0] = 0; // TEST UNIT READY
cmd[5] = 0;
if ((err=cmd.transport()))