On Tue, Oct 26, David Brownell wrote: > On Tuesday 26 October 2004 05:16, Olaf Hering wrote: > > On Tue, Oct 19, Alan Stern wrote: > > > > > Can you run the tests with a different USB disk drive? Were the tests on > > > the Intel and PPC machines done using the same drive? > > > > I have tried it on OSX today, copied 8 iso images on the drive, > > rebooted, and copied it back to the internal disk. > > 3 images were corrupted. > > This is with that GeneSys device, yes?
No :) This device shows corruption during the "mount,cp,umount,mount,compare,umount" test: Oct 21 13:09:23 lemon kernel: usb 3-2: Product: USB Mass Storage Device Oct 21 13:09:23 lemon kernel: usb 3-2: Manufacturer: Myson Century, Inc. Oct 21 13:09:23 lemon kernel: usb 3-2: SerialNumber: 100 Oct 21 13:09:23 lemon kernel: scsi3 : SCSI emulation for USB Mass Storage devices Oct 21 13:09:23 lemon kernel: Vendor: SAMSUNG Model: MP0804H Rev: UE10 Oct 21 13:09:23 lemon kernel: Type: Direct-Access ANSI SCSI revision: 02 Oct 21 13:09:23 lemon kernel: SCSI device sdc: 156368016 512-byte hdwr sectors (80060 MB) Oct 21 13:09:23 lemon kernel: sdc: assuming drive cache: write through It will act as a door stop from now on. This device worked ok during the "mount,cp,umount,mount,compare,umount" test: Oct 21 14:01:59 lemon kernel: usb 1-1: Product: USB Mass Storage Device Oct 21 14:01:59 lemon kernel: usb 1-1: Manufacturer: Genesyslogic Oct 21 14:01:59 lemon kernel: usb 1-1: SerialNumber: 000300001332 Oct 21 14:01:59 lemon kernel: scsi2 : SCSI emulation for USB Mass Storage devices Oct 21 14:02:00 lemon kernel: Vendor: Genesys Model: USB to IDE Disk Rev: 0033 Oct 21 14:02:00 lemon kernel: Type: Direct-Access ANSI SCSI revision: 02 Oct 21 14:02:00 lemon kernel: SCSI device sdc: 39062500 512-byte hdwr sectors (20000 MB) Oct 21 14:02:00 lemon kernel: sdc: test WP failed, assume Write Enabled Oct 21 14:02:00 lemon kernel: sdc: assuming drive cache: write through Oct 21 14:02:00 lemon kernel: sdc: [mac] sdc1 sdc2 sdc3 sdc4 Oct 21 14:02:01 lemon kernel: Attached scsi removable disk sdc at scsi2, channel 0, id 0, lun 0 Oct 21 14:02:02 lemon kernel: Attached scsi generic sg3 at scsi2, channel 0, id 0, lun 0, type 0 Oct 21 14:02:02 lemon kernel: USB Mass Storage device found at 3 Hmm, 'assuming drive cache: write through', can that make a difference if I force some other cache mode? Maybe both Linux and OSX get confused because the drive reports something wrong? -- USB is for mice, FireWire is for men! sUse lINUX ag, nÃRNBERG ------------------------------------------------------- This SF.net email is sponsored by: IT Product Guide on ITManagersJournal Use IT products in your business? Tell us what you think of them. Give us Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more http://productguide.itmanagersjournal.com/guidepromo.tmpl _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
