Alan Cox wrote:
That one is really very useful. The error handling is leaving some kind of IRQ status no cleared which in turn brings the house down. I think there are two different things in the log here - one is the empty port, the other is some kind of other failure. With a current -mm kernel can you stick ATA_FLAG_DETECT_POLLING on the various .flags = ATA_FLAG_SLAVE_POSS|.... lines for each ata_port_info structure in hpt37x_init_one then see if the identify behaviour is happier.
Here are three dmesg snippets. Stock -mm1, stock -mm1 with irqpoll and -mm1 with the above-mentioned change. (Unfortunately the net card is on the same irq as the disk controller, so I've disabled the raid to prevent it from blowing up and knocking out the net card irq also - allows me to get the dmesg out anyway). When I get a tic I'll see if moving the disk controller card around allows me to use another irq.
Stock 2.9.19-rc4-mm1 [ 29.782721] pata_hpt37x: BIOS has not set timing clocks. [ 29.784849] hpt37x: HPT374: Bus clock 33MHz. [ 29.784912] ACPI: PCI Interrupt 0000:00:05.0[A] -> GSI 16 (level, low) -> IRQ 17 [ 29.785092] ata1: PATA max UDMA/133 cmd 0xE000 ctl 0xE102 bmdma 0xE400 irq 17 [ 29.785181] ata2: PATA max UDMA/133 cmd 0xE200 ctl 0xE302 bmdma 0xE408 irq 17 [ 29.785248] scsi0 : pata_hpt37x [ 29.942765] ata1.00: ATA-6, max UDMA/100, 390622887 sectors: LBA48 [ 29.942821] ata1.00: ata1: dev 0 multi count 16 [ 29.942883] Find mode for 12 reports A81F442 [ 29.942936] Find mode for DMA 69 reports 12848242 [ 29.946299] ata1.00: configured for UDMA/100 [ 29.946358] scsi1 : pata_hpt37x [ 30.102932] ata2.00: ATA-6, max UDMA/100, 390625000 sectors: LBA48 [ 30.102984] ata2.00: ata2: dev 0 multi count 16 [ 30.103038] Find mode for 12 reports A81F442 [ 30.103090] Find mode for DMA 69 reports 12848242 [ 30.106865] ata2.00: configured for UDMA/100 [ 30.107056] scsi 0:0:0:0: Direct-Access ATA WDC WD2000JB-00D 02.1 PQ: 0 ANSI: 5 [ 30.107213] SCSI device sda: 390622887 512-byte hdwr sectors (199999 MB) [ 30.107277] sda: Write Protect is off [ 30.107325] sda: Mode Sense: 00 3a 00 00 [ 30.107341] SCSI device sda: drive cache: write back [ 30.107443] SCSI device sda: 390622887 512-byte hdwr sectors (199999 MB) [ 30.107501] sda: Write Protect is off [ 30.107549] sda: Mode Sense: 00 3a 00 00 [ 30.107563] SCSI device sda: drive cache: write back [ 30.107614] sda: sda1 [ 30.131208] sd 0:0:0:0: Attached scsi disk sda [ 30.131357] scsi 1:0:0:0: Direct-Access ATA WDC WD2000JB-00D 75.1 PQ: 0 ANSI: 5 [ 30.131500] SCSI device sdb: 390625000 512-byte hdwr sectors (200000 MB) [ 30.131560] sdb: Write Protect is off [ 30.131608] sdb: Mode Sense: 00 3a 00 00 [ 30.131622] SCSI device sdb: drive cache: write back [ 30.131702] SCSI device sdb: 390625000 512-byte hdwr sectors (200000 MB) [ 30.131761] sdb: Write Protect is off [ 30.131809] sdb: Mode Sense: 00 3a 00 00 [ 30.131823] SCSI device sdb: drive cache: write back [ 30.131873] sdb: sdb1 [ 30.150656] sd 1:0:0:0: Attached scsi disk sdb [ 30.150764] pata_hpt37x: BIOS has not set timing clocks. [ 30.152828] hpt37x: HPT374: Bus clock 33MHz. [ 30.152892] ACPI: PCI Interrupt 0000:00:05.1[A] -> GSI 16 (level, low) -> IRQ 17 [ 30.153043] ata3: PATA max UDMA/133 cmd 0xE500 ctl 0xE602 bmdma 0xE900 irq 17 [ 30.153134] ata4: PATA max UDMA/133 cmd 0xE700 ctl 0xE802 bmdma 0xE908 irq 17 [ 30.153193] scsi2 : pata_hpt37x [ 30.310793] ata3.00: ATA-6, max UDMA/100, 390622887 sectors: LBA48 [ 30.310845] ata3.00: ata3: dev 0 multi count 16 [ 30.310904] Find mode for 12 reports A81F442 [ 30.310957] Find mode for DMA 69 reports 12848242 [ 30.314783] ata3.00: configured for UDMA/100 [ 30.314834] scsi3 : pata_hpt37x [ 31.604353] ATA: abnormal status 0x7F on port 0xE707 [ 32.741576] ATA: abnormal status 0x7F on port 0xE707 [ 33.878801] ATA: abnormal status 0x7F on port 0xE707 [ 35.015216] ATA: abnormal status 0x7F on port 0xE707 [ 36.151634] ATA: abnormal status 0x7F on port 0xE707 [ 37.288053] ATA: abnormal status 0x7F on port 0xE707 [ 67.265903] ata4.00: qc timeout (cmd 0xec) [ 67.265955] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 69.061832] ATA: abnormal status 0x7F on port 0xE707 [ 70.199056] ATA: abnormal status 0x7F on port 0xE707 [ 71.336281] ATA: abnormal status 0x7F on port 0xE707 [ 72.472696] ATA: abnormal status 0x7F on port 0xE707 [ 73.609114] ATA: abnormal status 0x7F on port 0xE707 [ 74.745533] ATA: abnormal status 0x7F on port 0xE707 [ 104.723382] ata4.00: qc timeout (cmd 0xec) [ 104.723433] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 106.519312] ATA: abnormal status 0x7F on port 0xE707 [ 107.656624] ATA: abnormal status 0x7F on port 0xE707 [ 108.793852] ATA: abnormal status 0x7F on port 0xE707 [ 109.930267] ATA: abnormal status 0x7F on port 0xE707 [ 111.066685] ATA: abnormal status 0x7F on port 0xE707 [ 112.203104] ATA: abnormal status 0x7F on port 0xE707 [ 142.180861] ata4.00: qc timeout (cmd 0xec) [ 142.180912] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 143.976792] ATA: abnormal status 0x7F on port 0xE707 [ 143.976978] scsi 2:0:0:0: Direct-Access ATA WDC WD2000JB-00D 75.1 PQ: 0 ANSI: 5 [ 143.977180] SCSI device sdc: 390622887 512-byte hdwr sectors (199999 MB) [ 143.977243] sdc: Write Protect is off [ 143.977292] sdc: Mode Sense: 00 3a 00 00 [ 143.977307] SCSI device sdc: drive cache: write back [ 143.977408] SCSI device sdc: 390622887 512-byte hdwr sectors (199999 MB) [ 143.977467] sdc: Write Protect is off [ 143.977515] sdc: Mode Sense: 00 3a 00 00 [ 143.977528] SCSI device sdc: drive cache: write back [ 143.977580] sdc: sdc1 [ 144.008309] sd 2:0:0:0: Attached scsi disk sdc Stock 2.9.19-rc4-mm1 with irqpoll [ 30.003816] pata_hpt37x: BIOS has not set timing clocks. [ 30.005967] hpt37x: HPT374: Bus clock 33MHz. [ 30.006030] ACPI: PCI Interrupt 0000:00:05.0[A] -> GSI 16 (level, low) -> IRQ 17 [ 30.006208] ata1: PATA max UDMA/133 cmd 0xE000 ctl 0xE102 bmdma 0xE400 irq 17 [ 30.006295] ata2: PATA max UDMA/133 cmd 0xE200 ctl 0xE302 bmdma 0xE408 irq 17 [ 30.006362] scsi0 : pata_hpt37x [ 30.162940] ata1.00: ATA-6, max UDMA/100, 390622887 sectors: LBA48 [ 30.162997] ata1.00: ata1: dev 0 multi count 16 [ 30.163059] Find mode for 12 reports A81F442 [ 30.163112] Find mode for DMA 69 reports 12848242 [ 30.167656] ata1.00: configured for UDMA/100 [ 30.167715] scsi1 : pata_hpt37x [ 30.323084] ata2.00: ATA-6, max UDMA/100, 390625000 sectors: LBA48 [ 30.323136] ata2.00: ata2: dev 0 multi count 16 [ 30.323189] Find mode for 12 reports A81F442 [ 30.323241] Find mode for DMA 69 reports 12848242 [ 30.327017] ata2.00: configured for UDMA/100 [ 30.327208] scsi 0:0:0:0: Direct-Access ATA WDC WD2000JB-00D 02.1 PQ: 0 ANSI: 5 [ 30.327367] SCSI device sda: 390622887 512-byte hdwr sectors (199999 MB) [ 30.327431] sda: Write Protect is off [ 30.327480] sda: Mode Sense: 00 3a 00 00 [ 30.327496] SCSI device sda: drive cache: write back [ 30.327599] SCSI device sda: 390622887 512-byte hdwr sectors (199999 MB) [ 30.327658] sda: Write Protect is off [ 30.327705] sda: Mode Sense: 00 3a 00 00 [ 30.327719] SCSI device sda: drive cache: write back [ 30.327769] sda: sda1 [ 30.347419] sd 0:0:0:0: Attached scsi disk sda [ 30.347571] scsi 1:0:0:0: Direct-Access ATA WDC WD2000JB-00D 75.1 PQ: 0 ANSI: 5 [ 30.347718] SCSI device sdb: 390625000 512-byte hdwr sectors (200000 MB) [ 30.347778] sdb: Write Protect is off [ 30.347826] sdb: Mode Sense: 00 3a 00 00 [ 30.347841] SCSI device sdb: drive cache: write back [ 30.347922] SCSI device sdb: 390625000 512-byte hdwr sectors (200000 MB) [ 30.347980] sdb: Write Protect is off [ 30.348028] sdb: Mode Sense: 00 3a 00 00 [ 30.348042] SCSI device sdb: drive cache: write back [ 30.348093] sdb: sdb1 [ 30.367084] sd 1:0:0:0: Attached scsi disk sdb [ 30.367195] pata_hpt37x: BIOS has not set timing clocks. [ 30.369268] hpt37x: HPT374: Bus clock 33MHz. [ 30.369331] ACPI: PCI Interrupt 0000:00:05.1[A] -> GSI 16 (level, low) -> IRQ 17 [ 30.369485] ata3: PATA max UDMA/133 cmd 0xE500 ctl 0xE602 bmdma 0xE900 irq 17 [ 30.369575] ata4: PATA max UDMA/133 cmd 0xE700 ctl 0xE802 bmdma 0xE908 irq 17 [ 30.369634] scsi2 : pata_hpt37x [ 30.526943] ata3.00: ATA-6, max UDMA/100, 390622887 sectors: LBA48 [ 30.526995] ata3.00: ata3: dev 0 multi count 16 [ 30.527055] Find mode for 12 reports A81F442 [ 30.527107] Find mode for DMA 69 reports 12848242 [ 30.530876] ata3.00: configured for UDMA/100 [ 30.530927] scsi3 : pata_hpt37x [ 31.820523] ATA: abnormal status 0x7F on port 0xE707 [ 32.959379] ATA: abnormal status 0x7F on port 0xE707 [ 34.098231] ATA: abnormal status 0x7F on port 0xE707 [ 35.234648] ATA: abnormal status 0x7F on port 0xE707 [ 36.371069] ATA: abnormal status 0x7F on port 0xE707 [ 37.507488] ATA: abnormal status 0x7F on port 0xE707 [ 38.644206] ATA: abnormal status 0x7F on port 0xE707 [ 38.644287] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x3) [ 40.438421] ATA: abnormal status 0x7F on port 0xE707 [ 41.577278] ATA: abnormal status 0x7F on port 0xE707 [ 42.716129] ATA: abnormal status 0x7F on port 0xE707 [ 43.852547] ATA: abnormal status 0x7F on port 0xE707 [ 44.988965] ATA: abnormal status 0x7F on port 0xE707 [ 46.125382] ATA: abnormal status 0x7F on port 0xE707 [ 47.262101] ATA: abnormal status 0x7F on port 0xE707 [ 47.262180] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x3) [ 49.056319] ATA: abnormal status 0x7F on port 0xE707 [ 50.195176] ATA: abnormal status 0x7F on port 0xE707 [ 51.334028] ATA: abnormal status 0x7F on port 0xE707 [ 52.470445] ATA: abnormal status 0x7F on port 0xE707 [ 53.606866] ATA: abnormal status 0x7F on port 0xE707 [ 54.743284] ATA: abnormal status 0x7F on port 0xE707 [ 55.880003] ATA: abnormal status 0x7F on port 0xE707 [ 55.880083] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x3) [ 57.674218] ATA: abnormal status 0x7F on port 0xE707 [ 57.674392] scsi 2:0:0:0: Direct-Access ATA WDC WD2000JB-00D 75.1 PQ: 0 ANSI: 5 [ 57.674566] SCSI device sdc: 390622887 512-byte hdwr sectors (199999 MB) [ 57.674628] sdc: Write Protect is off [ 57.674676] sdc: Mode Sense: 00 3a 00 00 [ 57.674692] SCSI device sdc: drive cache: write back [ 57.674789] SCSI device sdc: 390622887 512-byte hdwr sectors (199999 MB) [ 57.674847] sdc: Write Protect is off [ 57.674895] sdc: Mode Sense: 00 3a 00 00 [ 57.674908] SCSI device sdc: drive cache: write back [ 57.674959] sdc: sdc1 [ 57.706274] sd 2:0:0:0: Attached scsi disk sdc 2.9.19-rc4-mm1 with added ATA_FLAG_DETECT_POLLING [ 29.782478] pata_hpt37x: BIOS has not set timing clocks. [ 29.784599] hpt37x: HPT374: Bus clock 33MHz. [ 29.784661] ACPI: PCI Interrupt 0000:00:05.0[A] -> GSI 16 (level, low) -> IRQ 17 [ 29.784840] ata1: PATA max UDMA/133 cmd 0xE000 ctl 0xE102 bmdma 0xE400 irq 17 [ 29.784930] ata2: PATA max UDMA/133 cmd 0xE200 ctl 0xE302 bmdma 0xE408 irq 17 [ 29.784997] scsi0 : pata_hpt37x [ 29.948363] ata1.00: ATA-6, max UDMA/100, 390622887 sectors: LBA48 [ 29.948421] ata1.00: ata1: dev 0 multi count 16 [ 29.948482] Find mode for 12 reports A81F442 [ 29.948536] Find mode for DMA 69 reports 12848242 [ 29.951924] ata1.00: configured for UDMA/100 [ 29.951982] scsi1 : pata_hpt37x [ 30.116235] ata2.00: ATA-6, max UDMA/100, 390625000 sectors: LBA48 [ 30.116287] ata2.00: ata2: dev 0 multi count 16 [ 30.116341] Find mode for 12 reports A81F442 [ 30.116392] Find mode for DMA 69 reports 12848242 [ 30.120205] ata2.00: configured for UDMA/100 [ 30.120397] scsi 0:0:0:0: Direct-Access ATA WDC WD2000JB-00D 02.1 PQ: 0 ANSI: 5 [ 30.120554] SCSI device sda: 390622887 512-byte hdwr sectors (199999 MB) [ 30.120618] sda: Write Protect is off [ 30.120666] sda: Mode Sense: 00 3a 00 00 [ 30.120682] SCSI device sda: drive cache: write back [ 30.120785] SCSI device sda: 390622887 512-byte hdwr sectors (199999 MB) [ 30.120843] sda: Write Protect is off [ 30.120891] sda: Mode Sense: 00 3a 00 00 [ 30.120905] SCSI device sda: drive cache: write back [ 30.120955] sda: sda1 [ 30.142871] sd 0:0:0:0: Attached scsi disk sda [ 30.143021] scsi 1:0:0:0: Direct-Access ATA WDC WD2000JB-00D 75.1 PQ: 0 ANSI: 5 [ 30.143166] SCSI device sdb: 390625000 512-byte hdwr sectors (200000 MB) [ 30.143226] sdb: Write Protect is off [ 30.143274] sdb: Mode Sense: 00 3a 00 00 [ 30.143288] SCSI device sdb: drive cache: write back [ 30.143370] SCSI device sdb: 390625000 512-byte hdwr sectors (200000 MB) [ 30.143428] sdb: Write Protect is off [ 30.143476] sdb: Mode Sense: 00 3a 00 00 [ 30.143490] SCSI device sdb: drive cache: write back [ 30.143540] sdb: sdb1 [ 30.165443] sd 1:0:0:0: Attached scsi disk sdb [ 30.165551] pata_hpt37x: BIOS has not set timing clocks. [ 30.167614] hpt37x: HPT374: Bus clock 33MHz. [ 30.167677] ACPI: PCI Interrupt 0000:00:05.1[A] -> GSI 16 (level, low) -> IRQ 17 [ 30.167828] ata3: PATA max UDMA/133 cmd 0xE500 ctl 0xE602 bmdma 0xE900 irq 17 [ 30.167916] ata4: PATA max UDMA/133 cmd 0xE700 ctl 0xE802 bmdma 0xE908 irq 17 [ 30.167985] scsi2 : pata_hpt37x [ 30.332087] ata3.00: ATA-6, max UDMA/100, 390622887 sectors: LBA48 [ 30.332139] ata3.00: ata3: dev 0 multi count 16 [ 30.332199] Find mode for 12 reports A81F442 [ 30.332252] Find mode for DMA 69 reports 12848242 [ 30.336043] ata3.00: configured for UDMA/100 [ 30.336094] scsi3 : pata_hpt37x [ 31.628149] ATA: abnormal status 0x7F on port 0xE707 [ 32.765373] ATA: abnormal status 0x7F on port 0xE707 [ 33.902597] ATA: abnormal status 0x7F on port 0xE707 [ 35.039012] ATA: abnormal status 0x7F on port 0xE707 [ 36.175431] ATA: abnormal status 0x7F on port 0xE707 [ 37.311849] ATA: abnormal status 0x7F on port 0xE707 [ 38.448266] ATA: abnormal status 0x7F on port 0xE707 [ 39.585835] ATA: abnormal status 0x7F on port 0xE707 [ 39.585902] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x3) [ 41.381241] ATA: abnormal status 0x7F on port 0xE707 [ 42.518467] ATA: abnormal status 0x7F on port 0xE707 [ 43.655692] ATA: abnormal status 0x7F on port 0xE707 [ 44.792107] ATA: abnormal status 0x7F on port 0xE707 [ 45.928525] ATA: abnormal status 0x7F on port 0xE707 [ 47.064944] ATA: abnormal status 0x7F on port 0xE707 [ 48.201361] ATA: abnormal status 0x7F on port 0xE707 [ 49.338977] ATA: abnormal status 0x7F on port 0xE707 [ 49.339044] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x3) [ 51.134338] ATA: abnormal status 0x7F on port 0xE707 [ 52.271562] ATA: abnormal status 0x7F on port 0xE707 [ 53.408787] ATA: abnormal status 0x7F on port 0xE707 [ 54.545202] ATA: abnormal status 0x7F on port 0xE707 [ 55.681620] ATA: abnormal status 0x7F on port 0xE707 [ 56.818039] ATA: abnormal status 0x7F on port 0xE707 [ 57.954456] ATA: abnormal status 0x7F on port 0xE707 [ 59.092047] ATA: abnormal status 0x7F on port 0xE707 [ 59.092113] ata4.00: failed to IDENTIFY (I/O error, err_mask=0x3) [ 60.887433] ATA: abnormal status 0x7F on port 0xE707 [ 60.887597] scsi 2:0:0:0: Direct-Access ATA WDC WD2000JB-00D 75.1 PQ: 0 ANSI: 5 [ 60.887777] SCSI device sdc: 390622887 512-byte hdwr sectors (199999 MB) [ 60.887840] sdc: Write Protect is off [ 60.887888] sdc: Mode Sense: 00 3a 00 00 [ 60.887904] SCSI device sdc: drive cache: write back [ 60.888000] SCSI device sdc: 390622887 512-byte hdwr sectors (199999 MB) [ 60.888058] sdc: Write Protect is off [ 60.888106] sdc: Mode Sense: 00 3a 00 00 [ 60.888120] SCSI device sdc: drive cache: write back [ 60.888170] sdc: sdc1 [ 60.918685] sd 2:0:0:0: Attached scsi disk sdc Regards, Brad -- "Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so." -- Douglas Adams - 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
