I tried in single user mode. Helas, still have the same problem Thanks anyway Paul-henri
Le Vendredi 08 F�vrier 2002 17:36, Nuitari a �crit : > Maybe unrelated, but I remember having some problems with some SCSI cards > (a Tekram DC3x5 I think) that would really perform badly with R/W unless I > was in single user mode (I never figured out why though). > > On Fri, 8 Feb 2002, Larry Williams wrote: > > 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 -- Paul-Henri FERME UNIX is user friendly, it's just selective about who its friends are ! _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
