131603 2006-04-28 13:19 0000 app-mobilephone/obexftp hangs when sending file to Sony Ericsson z520 over usb cable using cdc_acm 2006-05-05 23:08:34 0000 1 1 1 Unclassified Gentoo Linux Ebuilds 2005.1 All Linux RESOLVED FIXED P2 normal --- 1 Simon80@gmail.com ticho@gentoo.org mobile-phone@gentoo.org Simon80@gmail.com 2006-04-28 13:19:29 0000 I had trouble sending files to my phone where it would hang at the 'Sending "<file>".../' line, so I tracked down the issue and wrote a patch for it. It looks like one could consider this a workaround for fixing the relevant driver itself ( I haven't bothered to figure this out), but my patch just adds a retry loop to the function that writes data to the cable driver, which was failing because the write() call was only writing part of what was requested. Should be completely safe from infinite looping, but if I'm wrong (say write perpetually returns 0, if that's even possible), the results are not catastrophic by any means, because there's a usleep(1) call in the loop as part of the workaround. So in short, applying this patch can only be good, and may perhaps fix issues with more than just my specific model of phone. Simon80@gmail.com 2006-04-28 13:20:52 0000 Created an attachment (id=85692) obexftp-cablewriteretry.patch This will apply cleanly to 0.18 as well as 0.19 Simon80@gmail.com 2006-04-28 13:22:51 0000 Created an attachment (id=85693) obexftp-0.18.ebuild Simon80@gmail.com 2006-04-28 13:23:31 0000 Created an attachment (id=85695) obexftp-0.19.ebuild mrness@gentoo.org 2006-04-29 08:32:32 0000 100 tries seems a bit much and also you didn't took into account the fact that write() could always return 0 (which IMO is an error by itself). I will change the patch in such way to abort after 3 _consecutive_ errors. That sounds OK? Simon80@gmail.com 2006-04-29 10:22:04 0000 (In reply to comment #4) > 100 tries seems a bit much and also you didn't took into account the fact that > write() could always return 0 (which IMO is an error by itself). > I will change the patch in such way to abort after 3 _consecutive_ errors. That > sounds OK? > The reason I set it to 100 was to make sure that transfers don't fail because of "Resource temporarily unavailable" errors, which is quite possible if the fail threshold is less than 5 errors. Making it consecutive would alleviate that issue, but I don't think making the number high is a problem, cause worst case, the loop would run for less than 5 secs if it encountered 100 write() errors (based on my highly unscientific observations), and this is an unlikely circumstance. I tried to unplug my phone during a transfer a few times to trigger it, and it didn't happen, the connection was terminated and obexftp promptly closed. Also, failing this, there still is the option for the user to send an interrupt to the program, which would terminate it immediately. Even if you make it keep track of consecutive errors, which is a good thing, my opinion is that the fail threshold should be set significantly higher than 3. mrness@gentoo.org 2006-04-29 11:19:53 0000 Created an attachment (id=85776) obexftp-0.19-cobex_write.patch Please try this patch. mrness@gentoo.org 2006-05-02 01:04:03 0000 well, does it work for you? Simon80@gmail.com 2006-05-03 08:41:28 0000 Hey, sorry about the delay, I've been busy in the past few days, moving to school, etc., and haven't checked my email. I'll try to remember to try it tonight. Simon80@gmail.com 2006-05-04 13:53:20 0000 Seems to work, which I would expect, given its similarity to the original working patch. I've tested a 9kB HTML file as well as a 3888kB file. mrness@gentoo.org 2006-05-05 23:08:34 0000 fixed in 0.19-r1. thanks! 85692 2006-04-28 13:20 0000 obexftp-cablewriteretry.patch obexftp-cablewriteretry.patch text/plain LS0tIG9iZXhmdHAtMC4xOS9tdWx0aWNvYmV4L211bHRpX2NvYmV4LmMJMjAwNS0xMS0yNCAwOTo1 NToxMS4wMDAwMDAwMDAgLTA1MDAKKysrIG9iZXhmdHAtMC4xOS9tdWx0aWNvYmV4L211bHRpX2Nv YmV4X25ldy5jCTIwMDYtMDQtMjggMTU6NDQ6MTEuMDAwMDAwMDAwIC0wNDAwCkBAIC0xMjYsNyAr MTI2LDcgQEAgaW50IGNvYmV4X2Rpc2Nvbm5lY3Qob2JleF90ICpzZWxmLCB2b2lkIAogLyogQ2Fs bGVkIGZyb20gT0JFWC1saWIgd2hlbiBkYXRhIG5lZWRzIHRvIGJlIHdyaXR0ZW4gKi8KIGludCBj b2JleF93cml0ZShvYmV4X3QgKnNlbGYsIHZvaWQgKmRhdGEsIHVpbnQ4X3QgKmJ1ZmZlciwgaW50 IGxlbmd0aCkKIHsKLQlpbnQgYWN0dWFsOworCWludCB3cml0dGVuOwogCWNvYmV4X3QgKmM7CiAg ICAgICAgIHJldHVybl92YWxfaWZfZmFpbCAoc2VsZiAhPSBOVUxMLCAtMSk7CiAgICAgICAgIHJl dHVybl92YWxfaWZfZmFpbCAoZGF0YSAhPSBOVUxMLCAtMSk7CkBAIC0xMzcsMjQgKzEzNyw0NiBA QCBpbnQgY29iZXhfd3JpdGUob2JleF90ICpzZWxmLCB2b2lkICpkYXRhCiAJREVCVUcoMywgIiVz 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