On Friday 02 May 2008, Andrew Morton wrote: >On Thu, 1 May 2008 11:35:38 -0400 Gene Heskett <gene.heskett@xxxxxxxxx> wrote: >> Greetings all; >> >> I'm going to describe the problem, and let you tell me where to report it. > >linux-ide > >> System is Biostar MB, XP-2800 cpu, gig of ram. >> >> 1. burn dvd image using k3b, with write verify turned on. >> >> 2. when disk is ejected at end of a successful burn, then pulled back in, >> a read error is reported long before the drive has recognized the disk, >> the disk is ejected again and k3b bails out of the verify phase. This >> does not occur for a cd-r. >> >> 3. manually close drive with the disc still in the tray. >> >> 4. About 40 secs later, at about the time the drive would have accepted >> the disc as a valid disc, the system is frozen solidly, no drive leds on >> and the clock in the corner of the screen is stopped. I have let it sit >> that way for as long as 2 minutes before tapping the hardware reset >> button. >> >> 5. Eject the disc while its posting and reboot, to either 2.6.24.5 or >> 2.6.25, both do exactly the same actions. >> >> 6. Once system is up again, re-insert disc, wait for drive to accept it, >> then do a verify by hand, disc is good, it can be mounted and read just >> fine. >> >> 7. disc is a +RW disc, so it should be re-writable. Pick a different .iso >> and start k3b again using it. K3b goes through the motions, but 2 or 3 >> seconds after the real write starts with perhaps 30 megabytes *supposedly* >> written, k3b gets a write error and the burn bails out, ejecting the disc >> as it does. >> >> 8. insert disc and loop this sequence back to #3 above until tired of >> rebooting cuz the box is frozen. Once rebooted, and the disc inspected, >> it is obvious the second write never touched the disc as the first write >> is still there and passes the sh1sum or md5sum test correctly. >> >> Sebastian Truex and I have been discussing this for a while now, and I >> have even replaced the writer drive, a LITEON that I started with, with an >> HP, even faster drive, without changing a thing above. It is 100% >> repeatable. >> >> Where do I file the bug report? There are no interesting entries in the >> messages log, no oops, nothing. > >It's unclear whether that drive is attached via stat, pata, ide, scsi or >whatever. The dmesg output would clear that up. Thanks Andrew. subscription in progress now. Selected excerpts from dmesg: [ 1.831308] SCSI subsystem initialized [ 1.850587] Driver 'sd' needs updating - please use bus_type methods [ 1.862371] No dock devices found. [ 1.896574] libata version 3.00 loaded. [ 1.899221] pata_amd 0000:00:09.0: version 0.3.10 [ 1.899373] PCI: Setting latency timer of device 0000:00:09.0 to 64 [ 1.904441] scsi0 : pata_amd [ 1.909440] scsi1 : pata_amd [ 1.910248] ata1: PATA max UDMA/133 cmd 0x1f0 ctl 0x3f6 bmdma 0xf000 irq 14 [ 1.910251] ata2: PATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0xf008 irq 15 [ 2.112099] ata1.00: ATA-7: MAXTOR STM3500630A, 3.AAE, max UDMA/100 [ 2.112103] ata1.00: 976773168 sectors, multi 16: LBA48 [ 2.112117] ata1: nv_mode_filter: 0x3f39f&0x3f01f->0x3f01f, BIOS=0x3f000 (0xc600c5c6) ACPI=0x3f01f (20:600:0x13) [ 2.187027] ata1.00: configured for UDMA/100 [ 2.510566] ata2.00: ATAPI: HP DVD Writer 1040d, EH24, max UDMA/66 [ 2.555081] ata2.01: ATA-7: MAXTOR STM3320620A, 3.AAE, max UDMA/100 [ 2.555085] ata2.01: 625142448 sectors, multi 16: LBA48 [ 2.555095] ata2: nv_mode_filter: 0x1f39f&0x1f01f->0x1f01f, BIOS=0x1f000 (0xc600c5c6) ACPI=0x1f01f (30:20:0x1f) [ 2.555100] ata2: nv_mode_filter: 0x3f39f&0x3f01f->0x3f01f, BIOS=0x3f000 (0xc600c5c6) ACPI=0x3f01f (30:20:0x1f) [ 2.671219] usb 2-2: new full speed USB device using ohci_hcd and address 2 [ 2.728458] ata2.00: configured for UDMA/66 [ 2.763180] ata2.01: configured for UDMA/100 [ 2.763281] scsi 0:0:0:0: Direct-Access ATA MAXTOR STM350063 3.AA PQ: 0 ANSI: 5 [ 2.763364] sd 0:0:0:0: [sda] 976773168 512-byte hardware sectors (500108 MB) [ 2.763380] sd 0:0:0:0: [sda] Write Protect is off [ 2.763383] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 2.763403] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.763457] sd 0:0:0:0: [sda] 976773168 512-byte hardware sectors (500108 MB) [ 2.763470] sd 0:0:0:0: [sda] Write Protect is off [ 2.763473] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 2.763492] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.763496] sda: sda1 sda2 sda3 [ 2.784593] sd 0:0:0:0: [sda] Attached SCSI disk [ 3.047607] scsi 1:0:0:0: CD-ROM HP DVD Writer 1040d EH24 PQ: 0 ANSI: 5 [ 3.047716] scsi 1:0:1:0: Direct-Access ATA MAXTOR STM332062 3.AA PQ: 0 ANSI: 5 [ 3.047777] sd 1:0:1:0: [sdb] 625142448 512-byte hardware sectors (320073 MB) [ 3.047790] sd 1:0:1:0: [sdb] Write Protect is off [ 3.047793] sd 1:0:1:0: [sdb] Mode Sense: 00 3a 00 00 [ 3.047812] sd 1:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 3.047851] sd 1:0:1:0: [sdb] 625142448 512-byte hardware sectors (320073 MB) [ 3.047863] sd 1:0:1:0: [sdb] Write Protect is off [ 3.047866] sd 1:0:1:0: [sdb] Mode Sense: 00 3a 00 00 [ 3.047886] sd 1:0:1:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 3.047889] sdb: sdb1 sdb2 sdb3 [ 3.069279] sd 1:0:1:0: [sdb] Attached SCSI disk [...] [ 8.098650] scsi2 : sata_sil [ 8.102674] scsi3 : sata_sil [ 8.102703] ata3: SATA max UDMA/100 mmio m512@0xe5004000 tf 0xe5004080 irq 16 [ 8.102707] ata4: SATA max UDMA/100 mmio m512@0xe5004000 tf 0xe50040c0 irq 16 [ 8.405355] ata3: SATA link down (SStatus 0 SControl 310) [ 8.859300] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [ 8.862863] ata4.00: ATA-7: Hitachi HDT725040VLA360, V5COA7EA, max UDMA/133 [ 8.862866] ata4.00: 781422768 sectors, multi 16: LBA48 NCQ (depth 0/32) [ 8.868851] ata4.00: configured for UDMA/100 [ 8.868960] scsi 3:0:0:0: Direct-Access ATA Hitachi HDT72504 V5CO PQ: 0 ANSI: 5 [ 8.869035] sd 3:0:0:0: [sdc] 781422768 512-byte hardware sectors (400088 MB) [ 8.869051] sd 3:0:0:0: [sdc] Write Protect is off [ 8.869054] sd 3:0:0:0: [sdc] Mode Sense: 00 3a 00 00 [ 8.869074] sd 3:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 8.869130] sd 3:0:0:0: [sdc] 781422768 512-byte hardware sectors (400088 MB) [ 8.869142] sd 3:0:0:0: [sdc] Write Protect is off [ 8.869145] sd 3:0:0:0: [sdc] Mode Sense: 00 3a 00 00 [ 8.869164] sd 3:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 8.869168] sdc: sdc1 [ 8.878716] sd 3:0:0:0: [sdc] Attached SCSI disk [...] [ 16.115714] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 16.115737] scsi 1:0:0:0: Attached scsi generic sg1 type 5 [ 16.115758] sd 1:0:1:0: Attached scsi generic sg2 type 0 [ 16.115780] sd 3:0:0:0: Attached scsi generic sg3 type 0 [ 16.127912] Driver 'sr' needs updating - please use bus_type methods [ 16.133300] sr0: scsi3-mmc drive: 48x/48x writer dvd-ram cd/rw xa/form2 cdda tray [ 16.133307] Uniform CD-ROM driver Revision: 3.20 [ 16.133377] sr 1:0:0:0: Attached scsi CD-ROM sr0 >Thanks. -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) No skis take rocks like rental skis! -- 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