Are you plugging it in to a front socket on a case? On Mon, 22 Nov 2004, Eric Mountain wrote:
> Hello, > > I've just bought a Dane-Elec zMage Compact Flash Reader/Writer. It has a > "Certified Hi-Speed USB" sticker on the box, and underneath the > sticker it says "USB 2.0 compatible"... so I guess it should be? > > The problem is that it only works in USB1 mode - i.e. with uchi-hcd. > USB2 (ehci-hcd) fails: > > dmesg> usb 1-3: new high speed USB device using address 2 > dmesg> usb 1-3: control timeout on ep0out > dmesg> ehci_hcd 0000:00:10.3: Unlink after no-IRQ? Different ACPI or APIC > dmesg> settings may help. > dmesg> usb 1-3: control timeout on ep0out > dmesg> usb 1-3: device not accepting address 2, error -110 > > If I rmmod ehci-hcd, the device works fine... in USB1 mode. > > Here (http://erina.nerim.net/zMate/dmesg-2.6.8-1-k7.txt) is a log of me > starting from a kernel with uchi and ehci > both removed, loading uhci and plugging in the device, then doing the > same with ehci. > > The results above were obtained using a "vanilla" Linux 2.6.9 kernel + > USBAT02 patch (it doesn't appear to change anything). The .config was > originally taken from the Debian kernel source for 2.6.8-1-k7 and run > through make oldconfig to bring it up to date. As you can see, USB verbose > debug messages were enabled. I get the same results with 2.6.5 and Debian's > 2.6.8-1-k7 image. > > Kernel command line: root=/dev/hda2 ro vga=771 noapic nolapic. > Removing noapic and nolapic appears to make no difference (I have only > tried under Debian's 2.6.8-1-k7 and w/o USB verbose debug messages). I've > also tried noacpi. (But I confess not knowing what they do without reading > the kernel-parameters doc... and even then.) I've also tried disabling the > experimental "Full speed ISO transactions" and "Root hub transaction > translators". > > On Debian unstable's 2.4.27-1-386 image, it seems to work OK with the ehci > module: > dmesg> ehci_hcd 00:10.3: VIA Technologies, Inc. USB 2.0 > dmesg> ehci_hcd 00:10.3: irq 11, pci mem d0aa8800 > dmesg> usb.c: new USB bus registered, assigned bus number 1 > dmesg> ehci_hcd 00:10.3: USB 2.0 enabled, EHCI 1.00, driver 2003-Dec-29/2.4 > dmesg> hub.c: USB hub found > dmesg> hub.c: 6 ports detected > dmesg> hub.c: new USB device 00:10.3-3, assigned address 2 > dmesg> WARNING: USB Mass Storage data integrity not assured > dmesg> USB Mass Storage device found at 2 > dmesg> Attached scsi removable disk sda at scsi1, channel 0, id 0, lun 0 > dmesg> SCSI device sda: 31360 512-byte hdwr sectors (16 MB) > dmesg> sda: test WP failed, assume Write Enabled > dmesg> /dev/scsi/host1/bus0/target0/lun0: p1 > dmesg> usbdevfs: USBDEVFS_CONTROL failed dev 1 rqt 128 rq 6 len 10 ret -32 > > A few items grabbed under 2.4.27 which may be of interest: > - http://erina.nerim.net/zMate/dmesg-2.4.27-i386-1.txt > - http://erina.nerim.net/zMate/lsusb-2.4.27-i386-1.txt > - http://erina.nerim.net/zMate/proc.bus.usb.devices-2.4.27-i386-1.txt > > Anyone know what I should try next? e.g. is there a way of snooping the Linux > USB communication so I can compare what 2.4 and 2.6 are doing? > > Thanks, > Eric Mountain > > > ------------------------------------------------------- > SF email is sponsored by - The IT Product Guide > Read honest & candid reviews on hundreds of IT Products from real users. > Discover which products truly live up to the hype. Start reading now. > http://productguide.itmanagersjournal.com/ > _______________________________________________ > [EMAIL PROTECTED] > To unsubscribe, use the last form field at: > https://lists.sourceforge.net/lists/listinfo/linux-usb-users > -- /------------------------------------+-------------------------\ |Stephen J. Gowdy | SLAC, MailStop 34, | |http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road, | |http://calendar.yahoo.com/gowdy | Menlo Park CA 94025, USA | |EMail: [EMAIL PROTECTED] | Tel: +1 650 926 3144 | \------------------------------------+-------------------------/ ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
