Re: libksane seems to break QProcess::start calls

2022-03-03 Thread Tobias Leupold
Hi Thiago and all, thanks a lot for the input so far! I'm really a bit lost here ... Am 04.03.22 um 01:06 schrieb Thiago Macieira: > Fix the problem where the problem is. I would really love to, esp. if this could be some upstream issue. And if not, I'd also love to fix it ;-) You can strac

The KDE Patchset Collection has been rebased on top of Qt 5.15.3

2022-03-03 Thread Albert Astals Cid
The KDE Patchset Collection has been rebased on top of Qt 5.15.3 Some patches have been droped, some are still needed since we carry patches newer than 1 year old. Since this are rebases (to clearly show which patches are "ours", i.e. those on top of the v5.15.3-lts-lgpl tag) the kde/5.15 branc

Re: libksane seems to break QProcess::start calls

2022-03-03 Thread Thiago Macieira
On Thursday, 3 March 2022 11:00:07 PST Tobias Leupold wrote: > Am Donnerstag, 3. März 2022, 19:06:21 CET schrieb Stefan Brüns: > > Are you using either Qt5 < 5.15 or a kernel version which does not support > > CLONE_FD? - then you are relying on SIGCHLD for process exit notification. > > > > CLONE

Re: libksane seems to break QProcess::start calls

2022-03-03 Thread Tobias Leupold
Am Donnerstag, 3. März 2022, 19:06:21 CET schrieb Stefan Brüns: > Are you using either Qt5 < 5.15 or a kernel version which does not support > CLONE_FD? - then you are relying on SIGCHLD for process exit notification. > > CLONE_FD: https://lwn.net/Articles/636646/ > Qt5: https://codereview.qt-proj

Re: libksane seems to break QProcess::start calls

2022-03-03 Thread Stefan Brüns
On Donnerstag, 3. März 2022 13:54:32 CET Tobias Leupold wrote: > Hi all :-) > > I have a very odd problem, and I have no idea what could cause this or even > how to debug this. maybe, someone of you can give me a hint. > > I revently wrote a small helper program for one special purpose: Scanning

Re: libksane seems to break QProcess::start calls

2022-03-03 Thread Tobias Leupold
Hi Klaas! > Interesting, I wrote a very similar little utility called PDFQuirk: > https://dragotin.github.io/quirksite/ Well, apparently, this is a quite common task to do ;-) > PDFQuirk has a very similar idea, yet it does not use libksane, but the > command line tool scanimage directly, starte

Re: libksane seems to break QProcess::start calls

2022-03-03 Thread Klaas Freitag
Am 03.03.22 um 13:54 schrieb Tobias Leupold: Hi Tobias, I have a very odd problem, and I have no idea what could cause this or even how to debug this. maybe, someone of you can give me a hint. I revently wrote a small helper program for one special purpose: Scanning documents at a defined size

libksane seems to break QProcess::start calls

2022-03-03 Thread Tobias Leupold
Hi all :-) I have a very odd problem, and I have no idea what could cause this or even how to debug this. maybe, someone of you can give me a hint. I revently wrote a small helper program for one special purpose: Scanning documents at a defined size, post processing them a bit and saving the p