On 2/11/07, Tejun Heo wrote: > Please test the attached patch over 2.6.20. No luck for me. I'm using pata_sis. Some error bits: agpgart: Found an AGP 3.0 compliant device at 0000:00:00.0. agpgart: Putting AGP V3 device at 0000:00:00.0 into 16x mode agpgart: SiS delay workaround: giving bridge time to recover. agpgart: Putting AGP V3 device at 0000:01:00.0 into 16x mode ata2.00: qc timeout (cmd 0xa0) ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata2.00: (BMDMA stat 0x24) ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x28 data 4096 in res 51/51:03:00:00:00/00:00:00:00:00/a0 Emask 0x5 (timeout) ata2: port is slow to respond, please be patient (Status 0xd0) ata2: port failed to respond (30 secs, Status 0xd0) ata2: soft resetting port ata2.00: configured for UDMA/33 ata2: EH complete ata2.00: qc timeout (cmd 0xa0) ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata2.00: (BMDMA stat 0x24) ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x28 data 4096 in res 51/51:03:00:00:00/00:00:00:00:00/a0 Emask 0x5 (timeout) ata2: port is slow to respond, please be patient (Status 0xd0) ata2: port failed to respond (30 secs, Status 0xd0) ata2: soft resetting port ata2.00: configured for UDMA/33 ata2: EH complete ata2.00: qc timeout (cmd 0xa0) ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen ata2.00: (BMDMA stat 0x24) ata2.00: cmd a0/01:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x28 data 4096 in res 51/51:03:00:00:00/00:00:00:00:00/a0 Emask 0x5 (timeout) ata2: port is slow to respond, please be patient (Status 0xd0) Compressed dmesg attached. Thanks.