Sorry, which program? On Jan 17, 2013, at 12:19 PM, Rolf Bensch <rolf at bensch-online.de> wrote:
> Hi Dan, > > It could be helpful if you sniff the usb protocols on a Windows machine. > Then I can compare them with Sane and patch it. Please use this program: > http://www.sane-project.org/README.linux and scan a small area of > approx. 5mm x 5mm @ 75 dpi to reduce the logfile size. > > Cheers, > Rolf > > > Am 17.01.2013 21:10, schrieb Dan Duvall: >> (Sorry, sent again. Forgot to CC the list.) >> >> I'm still seeing the same behavior after recompiling without pthread support >> (through, looking at `configure --help`, it says this is the default under >> OSes other than OS X). >> >> One other thing that I forgot to mention is that this >> first-scan-works-second-scan-hangs behavior is following a power cycle of >> the scanner. Also, if I power off the scanner while it's timing out on the >> second scan?which is what people in the office tend to do?it sends scanimage >> into an infinite loop. I've frequently seen several saned processes spiking >> the CPU on this server which I attribute to this. >> >> Could an strace or gdb session help diagnose the problem? I'm willing to >> really dig in given the right direction. >> >> Thanks for the help! >> Dan >> >> On Jan 17, 2013, at 7:33 AM, Rolf Bensch <rolf at bensch-online.de> wrote: >> >>> Hi Dan, >>> >>> Maybe enabled pthread support is the problem, especially for linux. >>> >>> I would upgrade sane on your lenny system to 1.0.24 with pthread support >>> disabled. >>> >>> Cheers, >>> Rolf >>> >>> >>> >>> Am 17.01.2013 14:32, schrieb Rolf Bensch: >>>> >>>> >>>> Am 16.01.2013 23:35, schrieb Dan Duvall: >>>>> Hey there, >>>>> >>>>> I'm having trouble scanning using the pixma backend with a Canon >>>>> imageClass MF4150 over USB. The first scan always seem to succeed while >>>>> subsequent attempts timeout. >>>>> >>>>> These are the commands I'm running. >>>>> >>>>> SANE_DEBUG_PIXMA%6 scanimage 2> pixma_debug-success.log >>>>> SANE_DEBUG_PIXMA%6 scanimage 2> pixma_debug-timeout.log >>>>> >>>>> stderr of each: >>>>> https://gist.github.com/4551560 >>>>> https://gist.github.com/4551574 >>>>> >>>>> I get this same behavior using sane-backends 1.0.22 on Debian lenny, and >>>>> 1.0.24 on OS X 10.8.2. >>>>> >>>>> Any suggestions on how to further debug? >>>>> >>>>> Thanks! >>>>> Dan >>>>> >> -- Dan Duvall Technical Director The Office of Letters and Light Love us? Support us! Make a tax-deductible donation to the Office of Letters and Light today. http://store.lettersandlight.org -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.alioth.debian.org/pipermail/sane-devel/attachments/20130117/17486dac/attachment-0001.html>
