| Message ID | 20120910143403.48f87840@skate |
|---|---|
| State | Not Applicable |
| Headers | show |
Hi Thomas, On Mon, Sep 10, 2012 at 2:34 PM, Thomas Petazzoni <thomas.petazzoni@free-electrons.com> wrote: > Le Mon, 10 Sep 2012 11:08:54 +0200, > Belisko Marek <marek.belisko@gmail.com> a écrit : > >> I know this isn't related to buildroot but maybe somehow have same troubles. >> I've build simple buildroot rootfs (2012.08 based) with QT4.8.2, my >> small qt application >> and dropbear. >> >> I can start my application and it is working fine. When need to add >> keyboard handling >> from USB keyboard application hang (with no useful data in console) that way: >> export QWS_KEYBOARD="LinuxInput:/dev/input/event0" ./app -qws >> >> I've double check qt configuration and linuxinput is checked. >> Anybody have same troubles? > > I remember having problems with Qt as soon as I started defining > QWS_KEYBOARD, but I don't remember if the problem was exactly the one > you had. > > Can you try to add the attached patch to the Qt package? It has been > written for Qt 4.7.3, but since the patch is trivial, I guess it can be > quickly adapted to Qt 4.8.2. It's the patch I had to fix the problem I > encountered, but again I don't remember the exact problem, and I have > been apparently too lazy to describe it in the patch description. Thanks. It helps. It's not freezing with your patch. > > Best regards, > > Thomas > -- > Thomas Petazzoni, Free Electrons > Kernel, drivers, real-time and embedded Linux > development, consulting, training and support. > http://free-electrons.com Cheers, mbe
Le Mon, 10 Sep 2012 22:13:57 +0200, Belisko Marek <marek.belisko@gmail.com> a écrit : > > Can you try to add the attached patch to the Qt package? It has been > > written for Qt 4.7.3, but since the patch is trivial, I guess it can be > > quickly adapted to Qt 4.8.2. It's the patch I had to fix the problem I > > encountered, but again I don't remember the exact problem, and I have > > been apparently too lazy to describe it in the patch description. > Thanks. It helps. It's not freezing with your patch. Great. The patch is more a workaround than a real bug, but it would be nice to implement a real fix and submit it upstream. Best regards, Thomas
On Tue, Sep 11, 2012 at 9:28 AM, Thomas Petazzoni <thomas.petazzoni@free-electrons.com> wrote: > Le Mon, 10 Sep 2012 22:13:57 +0200, > Belisko Marek <marek.belisko@gmail.com> a écrit : > >> > Can you try to add the attached patch to the Qt package? It has been >> > written for Qt 4.7.3, but since the patch is trivial, I guess it can be >> > quickly adapted to Qt 4.8.2. It's the patch I had to fix the problem I >> > encountered, but again I don't remember the exact problem, and I have >> > been apparently too lazy to describe it in the patch description. >> Thanks. It helps. It's not freezing with your patch. > > Great. The patch is more a workaround than a real bug, but it would be > nice to implement a real fix and submit it upstream. When finish project I'll try to work on it and post proper patch upstream. Thanks again. > > Best regards, > > Thomas > -- > Thomas Petazzoni, Free Electrons > Kernel, drivers, real-time and embedded Linux > development, consulting, training and support. > http://free-electrons.com Cheers, mbe
--- qt-4.7.3.orig/src/gui/embedded/qkbdlinuxinput_qws.cpp 2011-03-30 07:19:04.000000000 +0200 +++ qt-4.7.3/src/gui/embedded/qkbdlinuxinput_qws.cpp 2011-09-12 18:22:52.978846803 +0200 @@ -127,7 +127,7 @@ // play nice in case we are started from a shell (e.g. for debugging) m_tty_fd = isatty(0) ? 0 : -1; - +#if 0 if (m_tty_fd >= 0) { // save tty config for restore. tcgetattr(m_tty_fd, &m_tty_attr); @@ -154,6 +154,7 @@ cfsetospeed(&termdata, 9600); tcsetattr(m_tty_fd, TCSANOW, &termdata); } +#endif } else { qWarning("Cannot open keyboard input device '%s': %s", qPrintable(dev), strerror(errno)); return;