On Wed, Mar 26, 2008 at 3:48 PM, tobias alarcon <extobias at gmail.com> wrote: > nop > I will give you more details, so if you can help i will really apreciated > When i stop the power cycle of the scanner, everything goes fine for > about 15 min > then also if i don?t stop to scan pages still works > So the problem begin when stop scaning. The usb address change with no reason > (i don?t disconnect the cable) and don't have any suspend mode on usb > devices.
odd. the behavior you describe sounds like usb suspend problem, or like some piece of code is calling usb_reset. i know fedora had a patch in sane which did this recently. > if i call scanimage or my application why the address does not update > if both call sane_init() at start? when exactly does the renumeration happen- when you first use scanimage after a long wait, or has it already happened. Does scanimage -L cause the problem, or only actual scans? > > So if a repeatedly call sane_open() this way the scanner belive is > been used for some > application? do you thing this could work? > should not be required. lets leave your frontend out of the mix for now, and just verify that a plain scanimage session will reproduce the error. > pd: also have a fujitsu 4110cu. i thing going to write my first backend lol. > i have a 4110eox2, which uses the mustek ma1509 chipset. what is in the 4110cu? allan > > > On Wed, Mar 26, 2008 at 2:20 PM, m. allan noah <kitno455 at gmail.com> wrote: > > i have never seen such a thing. does your OS turn on usb suspend? > > > > allan > > > > > > > > On Wed, Mar 26, 2008 at 1:03 PM, tobias alarcon <extobias at gmail.com> > wrote: > > > nop, still happen with scanimage or another frontend. > > > I update the kernel but nothing change. > > > I unplugged the scanner for a few minutes, and works fine for a while. > > > but then the usb address change always i try to scan. > > > i just don?t know what to do. > > > > > > tobias. > > > > > > > > > > > > > > > On Wed, Mar 26, 2008 at 12:08 PM, m. allan noah <kitno455 at > gmail.com> wrote: > > > > if you run scanimage repeatedly, this does not happen, but if you run > > > > 'your frontend' it does? > > > > > > > > allan > > > > > > > > > > > > > > > > On Wed, Mar 26, 2008 at 10:48 AM, tobias alarcon <extobias at > gmail.com> wrote: > > > > > On Wed, Mar 26, 2008 at 9:00 AM, m. allan noah <kitno455 at > gmail.com> wrote: > > > > > > are you using mandriva's sane package? what version? do you > get the > > > > > > same problem if you install sane from our source instead? > > > > > > > > > > > > > > > > yes, its 1.0.18. I install 1.0.18 and 1.0.19 from source and the > problem remains > > > > > thanks > > > > > > > > > > > > > > > > > > > > > > > allan > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > > > > > "The truth is an offense, but not a sin" > > > > > > > > > > > > > > > -- > > > > > > "The truth is an offense, but not a sin" > > > -- "The truth is an offense, but not a sin"
