On 10/13/07, Torsten Kaiser <just.for.lkml@xxxxxxxxxxxxxx> wrote: > Wait! > > I think I found the bug: Its a evil interaction between the above > patch and the swncq patch that is applied later. > The qc_defer patch removes the old ata_scmd_need_defer that was always > called for all drivers and substitutes it for ata_std_qc_defer and > adds it as aops->qc_defer to all drivers that support NCQ *at that > point*. > Then the swncq patch adds a new NCQ capable driver, but the nobody > added the qc_defer-ops to the ops-structure that is added. So swncq > will never defer any commands and the first command that would need to > be defered (the SMART commands) blows up, if there is still another > command in flight. > > I will only add the qc_defer and try this... 3 boots, all worked. So I'm very sure that was the bug, but I will now do a little load testing... The only strange thing about 2.6.23-mm1 is, that it takes ~4 second more to boot. 2.6.23-rc8-mm1: [ 3.720000] scsi0 : sata_sil24 [ 3.730000] scsi1 : sata_sil24 [ 3.740000] ata1: SATA max UDMA/100 irq 17 [ 3.750000] ata2: SATA max UDMA/100 irq 17 [ 4.110000] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 4.160000] ata1.00: ATA-7: MAXTOR STM3320820AS, 3.AAE, max UDMA/133 [ 4.180000] ata1.00: 625142448 sectors, multi 0: LBA48 NCQ (depth 31/32) [ 4.240000] ata1.00: configured for UDMA/100 [ 4.600000] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 4.660000] ata2.00: ATA-7: MAXTOR STM3320820AS, 3.AAE, max UDMA/133 [ 4.680000] ata2.00: 625142448 sectors, multi 0: LBA48 NCQ (depth 31/32) [ 4.730000] ata2.00: configured for UDMA/100 2.6.23-mm1: [ 3.650000] scsi0 : sata_sil24 [ 3.660000] scsi1 : sata_sil24 [ 3.660000] ata1: SATA max UDMA/100 host m128@0xefeffc00 port 0xefef8000 irq 17 [ 3.690000] ata2: SATA max UDMA/100 host m128@0xefeffc00 port 0xefefa000 irq 17 [ 5.930000] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 0) [ 5.980000] ata1.00: ATA-7: MAXTOR STM3320820AS, 3.AAE, max UDMA/133 [ 6.000000] ata1.00: 625142448 sectors, multi 0: LBA48 NCQ (depth 31/32) [ 6.060000] ata1.00: configured for UDMA/100 [ 8.290000] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 0) [ 8.340000] ata2.00: ATA-7: MAXTOR STM3320820AS, 3.AAE, max UDMA/133 [ 8.360000] ata2.00: 625142448 sectors, multi 0: LBA48 NCQ (depth 31/32) [ 8.420000] ata2.00: configured for UDMA/100 Torsten - 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
