[linux-usb-devel] Re: Re: Re: Re: Re: 2.6 - specific machine and USB mass storage slowness

2004-04-01 Thread Brian S. Stephan
ly no way to rescusitate it short of rebooting. I do not get any -75 or babble. If you mean the entire controller is useless, that isn't the case either as my USB mouse still works properly. David Brownell wrote: > Brian S. Stephan wrote: > >> usb-storage: Status code -32; t

[linux-usb-devel] Re: Re: Re: Re: 2.6 - specific machine and USB mass storage slowness

2004-03-30 Thread Brian S. Stephan
Brian S. Stephan wrote: > David Brownell wrote: > >> >> You don't seem to be using the EHCI capabilities there, but if you >> were I'd suggest you maybe try a different host controller. >> >> Since you're using it at full speed, the "

[linux-usb-devel] Re: Re: Re: Re: 2.6 - specific machine and USB mass storage slowness

2004-03-30 Thread Brian S. Stephan
David Brownell wrote: > Brian S. Stephan wrote: > >>>I've lost track of the details in this particular case, but it sure >>>seemed more like another case of "fast controller operations wedge >>>the device" than anything else. What controller

[linux-usb-devel] Re: Re: Re: 2.6 - specific machine and USB mass storage slowness

2004-03-30 Thread Brian S. Stephan
David Brownell wrote: > Alan Stern wrote: > >> Of course, the fact that it is hardware dependent -- works on the laptop >> but not the desktop -- indicates that it's not a simple software problem. > > Or that the desktop's controller unearths some HCD issues; that's > certainly been known to hap

[linux-usb-devel] Re: Re: 2.6 - specific machine and USB mass storage slowness

2004-03-28 Thread Brian S. Stephan
Brian S. Stephan wrote: > Brian S. Stephan wrote: >> Transfers are improved with .max_sectors at 64 (128 didn't seem to offer >> any real improvement), making xfer sizes 32768 bytes instead of 65536, >> times are relatively sane again. The original test worked as it sh

[linux-usb-devel] Re: Re: 2.6 - specific machine and USB mass storage slowness

2004-03-27 Thread Brian S. Stephan
Brian S. Stephan wrote: > Alan Stern wrote: > >> On Sat, 27 Mar 2004, Brian S. Stephan wrote: >> >>> Alan Stern wrote: >>> >>> > problem might be similar to that -- data dependent. Or it might be a >>> > timing issue; 2.6 does usb-st

[linux-usb-devel] Re: Re: 2.6 - specific machine and USB mass storage slowness

2004-03-27 Thread Brian S. Stephan
Alan Stern wrote: > On Sat, 27 Mar 2004, Brian S. Stephan wrote: > >> Alan Stern wrote: >> >> > problem might be similar to that -- data dependent. Or it might be a >> > timing issue; 2.6 does usb-storage data transfers more quickly than >> > 2.4

[linux-usb-devel] Re: 2.6 - specific machine and USB mass storage slowness

2004-03-27 Thread Brian S. Stephan
Brian S. Stephan wrote: > Alan Stern wrote: > >> On Fri, 26 Mar 2004, Brian S. Stephan wrote: >> [snip] >>> SCSI error : <1 0 0 0> return code = 0x600 >>> end_request: I/O error, dev sdb, sector 1952 >>> Buffer I/O error on device sdb1

[linux-usb-devel] Re: 2.6 - specific machine and USB mass storage slowness

2004-03-27 Thread Brian S. Stephan
Alan Stern wrote: > On Fri, 26 Mar 2004, Brian S. Stephan wrote: > >> Hello, >> >> On my desktop (UHCI USB controller, VIA chipset) I get terrible transfer >> speeaberrationspecific device (USB 1.x). The device, a Neuros with 128 MB >> flash storage, wo

[linux-usb-devel] 2.6 - specific machine and USB mass storage slowness

2004-03-26 Thread Brian S. Stephan
Hello, On my desktop (UHCI USB controller, VIA chipset) I get terrible transfer speeds with a specific device (USB 1.x). The device, a Neuros with 128 MB flash storage, works fine on my laptop (OHCI USB, NEC controller) on a 2.6 kernel. It also works fine on the desktop when I boot off of a 2.4.21