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Date: Tue, 26 Feb 2008 19:57:57 +0100 From: Gerold Jury <gml@...de.at> To: Andrew Morton <akpm@...ux-foundation.org> Cc: linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org Subject: Re: extra bytes written to SATA DVD drive on kernel 2.6.23 till 2.6.24.2 It does happen with 2.6.22 too. Do you see any known pattern in these extra bytes ? Best Regards Gerold 00000000 2a 00 00 00 00 00 00 00 40 00 00 00 00 00 00 00 |*.......@.......| 00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00020000 2a 00 00 00 00 40 00 00 40 00 00 00 00 40 00 00 |*....@..@....@..| 00020010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00040000 2a 00 00 00 00 80 00 00 40 00 00 00 00 80 00 00 |*.......@.......| 00040010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00060000 2a 00 00 00 00 c0 00 00 02 00 00 00 00 c0 00 00 |*...............| 00060010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00061010 00 00 00 00 00 00 00 00 2a 00 00 00 00 c2 00 00 |........*.......| 00061020 40 00 00 00 00 c2 00 00 00 00 00 00 00 00 00 00 |@...............| 00061030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 00081010 00 00 00 00 00 00 00 00 2a 00 00 00 01 02 00 00 |........*.......| 00081020 40 00 00 00 01 02 00 00 00 00 00 00 00 00 00 00 |@...............| 00081030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 000a1010 00 00 00 00 00 00 00 00 2a 00 00 00 01 42 00 00 |........*....B..| 000a1020 40 00 00 00 01 42 00 00 00 00 00 00 00 00 00 00 |@....B..........| 000a1030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 000c1010 00 00 00 00 00 00 00 00 2a 00 00 00 01 82 00 00 |........*.......| 000c1020 40 00 00 00 01 82 00 00 00 00 00 00 00 00 00 00 |@...............| 000c1030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * On Tuesday 26 February 2008 00:32:49 Andrew Morton wrote: >On Mon, 25 Feb 2008 20:05:22 +0100 Gerold Jury <gml@...de.at> wrote: >> Hello, >> >> I have two DVD drives, one connected to the SATA port (LG) the other to >> the IDE port (PHILIPS) of a via chipset. >> They are driven by VIA SATA support (SATA_VIA) and VIA PATA support >> (PATA_VIA). >> >> When I write an iso image to the drive on the SATA port /dev/sr0 it has >> some extra bytes on disk which make the disk unreadable. >> Writing to the IDE drive /dev/sr1 works well. >> >> A simple test with a DVD RAM and dd instead of growisofs >> >> dd if=/dev/zero of=/dev/srX bs=1024k count=10 >> >> and a readback afterwards >> >> dd if=/dev/srX of=imageX.bin bs=1024k count=10 >> >> gives me an all zero file from the IDE drive but a file >> full of probably scsi commands for the SATA drive and looks like >> >> 00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> |................| * >> 00020000 2a 00 00 00 00 40 00 00 40 00 00 00 00 40 00 00 >> |*....@..@....@..| 00020010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 00 |................| * >> 00040000 2a 00 00 00 00 80 00 00 40 00 00 00 00 80 00 00 >> |*.......@.......| 00040010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 00 |................| * >> 00060000 2a 00 00 00 00 c0 00 00 02 00 00 00 00 c0 00 00 >> |*...............| 00060010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 00 |................| * >> 00061010 00 00 00 00 00 00 00 00 2a 00 00 00 00 c2 00 00 >> |........*.......| 00061020 40 00 00 00 00 c2 00 00 00 00 00 00 00 00 00 >> 00 |@...............| 00061030 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 00 00 00 |................| * >> 00081010 00 00 00 00 00 00 00 00 2a 00 00 00 01 02 00 00 >> |........*.......| 00081020 40 00 00 00 01 02 00 00 00 00 00 00 00 00 00 >> 00 |@...............| 00081030 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 00 00 00 |................| * >> 000a1010 00 00 00 00 00 00 00 00 2a 00 00 00 01 42 00 00 >> |........*....B..| 000a1020 40 00 00 00 01 42 00 00 00 00 00 00 00 00 00 >> 00 |@....B..........| 000a1030 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 00 00 00 |................| * >> 000c1010 00 00 00 00 00 00 00 00 2a 00 00 00 01 82 00 00 >> |........*.......| 000c1020 40 00 00 00 01 82 00 00 00 00 00 00 00 00 00 >> 00 |@...............| 000c1030 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 00 00 00 |................| >> >> I really need some hints to make the SATA drive usable, please. > >(added linux-ide) > >Did any earlier kernel work OK? 2.6.22? > >Thanks. > >> uname -a >> Linux blaubaer 2.6.24.2 #4 Sun Feb 24 21:50:21 CET 2008 x86_64 AMD >> Athlon(tm) 64 Processor 3400+ AuthenticAMD GNU/Linux >> >> lspvi -v >> >> 00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID >> Controller (rev 80) >> Subsystem: ASUSTeK Computer Inc. A7V600/K8V Deluxe/K8V-X/A8V >> Deluxe motherboard >> Flags: bus master, medium devsel, latency 64, IRQ 20 >> I/O ports at e800 [size=8] >> I/O ports at e400 [size=4] >> I/O ports at e000 [size=8] >> I/O ports at d800 [size=4] >> I/O ports at d400 [size=16] >> I/O ports at d000 [size=256] >> Capabilities: [c0] Power Management version 2 >> Kernel driver in use: sata_via >> >> 00:0f.1 IDE interface: VIA Technologies, Inc. >> VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06) (prog-if >> 8a [Master SecP PriP]) >> Subsystem: ASUSTeK Computer Inc. A7V600/K8V-X/A8V Deluxe >> motherboard Flags: bus master, medium devsel, latency 32, IRQ 20 >> [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8] >> [virtual] Memory at 000003f0 (type 3, non-prefetchable) [size=1] >> [virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8] >> [virtual] Memory at 00000370 (type 3, non-prefetchable) [size=1] >> I/O ports at fc00 [size=16] >> Capabilities: [c0] Power Management version 2 >> Kernel driver in use: pata_via >> >> cat /var/log/messages >> >> Feb 25 18:20:57 blaubaer sata_via 0000:00:0f.0: version 2.3 >> Feb 25 18:20:57 blaubaer ACPI: PCI Interrupt 0000:00:0f.0[B] -> GSI 20 >> (level, low) -> IRQ 20 >> Feb 25 18:20:57 blaubaer sata_via 0000:00:0f.0: routed to hard irq line 10 >> Feb 25 18:20:57 blaubaer scsi3 : sata_via >> Feb 25 18:20:57 blaubaer scsi4 : sata_via >> Feb 25 18:20:57 blaubaer ata4: SATA max UDMA/133 cmd 0xe800 ctl 0xe400 >> bmdma 0xd400 irq 20 >> Feb 25 18:20:57 blaubaer ata5: SATA max UDMA/133 cmd 0xe000 ctl 0xd800 >> bmdma 0xd408 irq 20 >> Feb 25 18:20:57 blaubaer ata4: SATA link down 1.5 Gbps (SStatus 0 SControl >> 300) >> Feb 25 18:20:57 blaubaer ata5: SATA link up 1.5 Gbps (SStatus 113 SControl >> 300) >> Feb 25 18:20:57 blaubaer ata5.00: ATAPI: HL-DT-ST DVDRAM GH20NS10, EL00, >> max UDMA/100 >> Feb 25 18:20:57 blaubaer ata5.00: configured for UDMA/100 >> Feb 25 18:20:57 blaubaer scsi 4:0:0:0: CD-ROM HL-DT-ST DVDRAM >> GH20NS10 EL00 PQ: 0 ANSI: 5 >> Feb 25 18:20:57 blaubaer sr0: scsi3-mmc drive: 48x/48x writer dvd-ram >> cd/rw xa/form2 cdda tray >> Feb 25 18:20:57 blaubaer Uniform CD-ROM driver Revision: 3.20 >> Feb 25 18:20:57 blaubaer sr 4:0:0:0: Attached scsi CD-ROM sr0 >> Feb 25 18:20:57 blaubaer sr 4:0:0:0: Attached scsi generic sg2 type 5 >> Feb 25 18:20:57 blaubaer pata_via 0000:00:0f.1: version 0.3.3 >> Feb 25 18:20:57 blaubaer ACPI: PCI Interrupt 0000:00:0f.1[A] -> GSI 20 >> (level, low) -> IRQ 20 >> Feb 25 18:20:57 blaubaer scsi5 : pata_via >> Feb 25 18:20:57 blaubaer scsi6 : pata_via >> Feb 25 18:20:57 blaubaer ata6: PATA max UDMA/133 cmd 0x1f0 ctl 0x3f6 bmdma >> 0xfc00 irq 14 >> Feb 25 18:20:57 blaubaer ata7: PATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma >> 0xfc08 irq 15 >> Feb 25 18:20:57 blaubaer ata6.00: ATAPI: PHILIPS SPD2411P, BP01, max >> UDMA/66 Feb 25 18:20:57 blaubaer ata6.00: limited to UDMA/33 due to >> 40-wire cable Feb 25 18:20:57 blaubaer ata6.00: configured for UDMA/33 >> Feb 25 18:20:57 blaubaer scsi 5:0:0:0: CD-ROM PHILIPS SPD2411P >> BP01 PQ: 0 ANSI: 5 >> Feb 25 18:20:57 blaubaer sr1: scsi3-mmc drive: 48x/48x writer dvd-ram >> cd/rw xa/form2 cdda tray >> Feb 25 18:20:57 blaubaer sr 5:0:0:0: Attached scsi CD-ROM sr1 >> Feb 25 18:20:57 blaubaer sr 5:0:0:0: Attached scsi generic sg3 type 5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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