Tejun Heo wrote: > Please apply the attached patch over 2.6.19 and report what the kernel says. > > Thanks. > I got the following errors during the timeout when running hald: ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata1.01: cmd a0/00:00:00:00:20/00:00:00:00:00/b0 tag 0 cdb 0x1e data 0 in res 40/00:03:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout) ata1.01: CDB: 1e:00:00:00:00:00:00:00 00:00:00:00:00:00:00:00 p=6 ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata1.01: (BMDMA stat 0x64) ata1.01: cmd a0/01:00:00:00:00/00:00:00:00:00/b0 tag 0 cdb 0x25 data 8 in res 40/00:03:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout) ata1.01: CDB: 25:00:00:00:00:00:00:00 00:00:00:00:00:00:00:00 p=7 With my test program that opens and closes the cdrom drive every second, I got the following errors during the timeout: ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata1.01: (BMDMA stat 0x64) ata1.01: cmd a0/01:00:00:00:00/00:00:00:00:00/b0 tag 0 cdb 0x43 data 12 in res 40/00:03:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout) ata1.01: CDB: 43:00:00:00:00:00:00:00 0c:40:00:00:00:00:00:00 p=7 ata1.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata1.01: (BMDMA stat 0x4) ata1.01: cmd a0/01:00:00:00:00/00:00:00:00:00/b0 tag 0 cdb 0x25 data 8 in res 40/00:03:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout) ata1.01: CDB: 25:00:00:00:00:00:00:00 00:00:00:00:00:00:00:00 p=7 -- Matthew Stapleton - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html