I have a Jaz Drive on SCSI that makes similar complaints if the cartdrige isn't mounted at boot time. May or may not have anything to do with your problem, just thought I'd mention it. Larry
On Friday 08 February 2002 00:40, you wrote: > hi > > I am trying to use a brand new USB Iomega 100M ZIP-drive on my linux box I > succeed in mouting and reading the drive but I am getting frequent R/W > errors and software freeze which prevent me from using it realibily. > > > Hardare is a DFI K6BV3+/66 board with on-board usb support enabled. > I am using a 2.2.17 kernel as compiled by Mandrake Soft in its standard 7.1 > distri. > Following modules are loaded successfully at startup (using depmod): > > usb-storage 11568 0 (unused) > uhci 18560 0 (unused) > usbcore 43632 0 [usb-storage uhci] > ../.. > > dmesg ouput during boot is as follows: > ../.. > usb.c: registered new driver usbdevfs > usb.c: registered new driver hub > uhci.c: USB UHCI at I/O 0xe400, IRQ 10 > uhci.c: detected 2 ports > usb.c: new USB bus registered, assigned bus number 1 > usb.c: USB new device connect, assigned device number 1 > hub.c: USB hub found > hub.c: 2 ports detected > usb.c: registered new driver usb-storage > USB Mass Storage support registered. > usb.c: USB new device connect, assigned device number 2 > scsi0 : SCSI emulation for USB Mass Storage devices > scsi : 1 host. > Vendor: IOMEGA Model: ZIP 100 Rev: 90.J > Type: Direct-Access ANSI SCSI revision: 02 > Detected scsi removable disk sda at scsi0, channel 0, id 0, lun 0 > sda : READ CAPACITY failed. > sda : status = 0, message = 00, host = 0, driver = 08 > sda : extended sense code = 2 > sda : block size assumed to be 512 bytes, disk size 1GB. > sda:scsidisk I/O error: dev 08:00, sector 0 > unable to read partition table > WARNING: USB Mass Storage data integrity not assured > USB Mass Storage device found at 2 > hub.c: already running port 2 disabled by hub (EMI?), re-enabling... > usb.c: USB disconnect on device 2 > usb.c: USB new device connect, assigned device number 2 > WARNING: USB Mass Storage data integrity not assured > USB Mass Storage device found at 2 > ../.. > > Humm obviously not 100% correct but these are warning only aren't they? > Also the drive produce a pleasant start-up sound obviously loading and > reading the disk. > > then I mount the drive with 'mount /mnt/zip' > Note :/etc/fstab: > ../.. > /dev/sda4 /mnt/zip vfat nosuid,noauto,user,nodev,exec > 0 0 > ../.. > > It seems to work OK with /var/log/messages saying: > ../.. > Feb 4 22:52:29 localhost kernel: SCSI device sda: hdwr sector= 512 bytes. > Sectors= 196608 [96 MB] [0.1 GB] > Feb 4 22:52:29 localhost kernel: sda: Write Protect is off > Feb 4 22:52:32 localhost kernel: sda: sda4 > ../.. > > Looks good it is indeed a 100MB disk i am using > > But when I use the drive, i get frequent read errors and final freeze. > I can only trace that to a kernel error message: > > Feb 4 23:01:08 localhost kernel: usb_control/bulk_msg: timeout > > After that I cannot access anymore /dev/sda4 and need to reboot. > > So far I did 3 things: > 0) Connect and check the USB port using a USB webcam: Works OK > 1) test the drive on a win2000 portable: works OK > 2) Compile and run kernel 2.2.18 with backport of latest USB drivers as > recommended on http://linux.nf/usbzip.html: Same problems R/W errors and > hangs-up. > > I am now running out of ideas on this. > Any suggestion from a helpfull reader? > > Thanks -- ==================================================== I Work for the Department of Redundancy Department ==================================================== _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
