Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Saturday, 6 May 2017 13:06:59 PDT Thiago Macieira wrote: > On Saturday, 6 May 2017 12:48:57 PDT Thiago Macieira wrote: > > First, because the CI stops at the moment the first problem happens. So we > > don't know where else it may have happened. We only know where it did > > happen. > > > >

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

ose'd) style plugin causing crash during application exit? On Sunday, 7 May 2017 22:56:53 PDT Sergio Martins wrote: > On 2017-05-06 16:00, Thiago Macieira wrote: > > Someone could do that. I'd even appreciate just a backtrace from the > > deadlocked application. > > Have you ask

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Sunday, 7 May 2017 23:56:19 PDT Kari Oikarinen wrote: > The failures of https://codereview.qt-project.org/#/c/180231/ and > https://codereview.qt-project.org/#/c/180232/ happened on Ubuntu Touch > builds. > > That platform is not part of 5.9 CI anymore. So as far as I understand > it hasn't

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On 08.05.2017 09:47, Thiago Macieira wrote: On Sunday, 7 May 2017 22:56:53 PDT Sergio Martins wrote: On 2017-05-06 16:00, Thiago Macieira wrote: Someone could do that. I'd even appreciate just a backtrace from the deadlocked application. Have you asked the CI guys for such backtrace ? Why

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Sunday, 7 May 2017 22:56:53 PDT Sergio Martins wrote: > On 2017-05-06 16:00, Thiago Macieira wrote: > > Someone could do that. I'd even appreciate just a backtrace from the > > deadlocked application. > > Have you asked the CI guys for such backtrace ? Why isn't there a JIRA > issue for this ?

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On 2017-05-06 16:00, Thiago Macieira wrote: Someone could do that. I'd even appreciate just a backtrace from the deadlocked application. Have you asked the CI guys for such backtrace ? Why isn't there a JIRA issue for this ? Regards, -- Sérgio Martins | sergio.mart...@kdab.com | Senior

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Sunday, 7 May 2017 12:43:39 PDT Konstantin Tokarev wrote: > 07.05.2017, 22:43, "Thiago Macieira" : > > On Sunday, 7 May 2017 12:26:02 PDT Konstantin Tokarev wrote: > >> I'm doing embedded software development, and wouldn't even consider > >> including emulated

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

07.05.2017, 22:43, "Thiago Macieira" : > On Sunday, 7 May 2017 12:26:02 PDT Konstantin Tokarev wrote: >>  I'm doing embedded software development, and wouldn't even consider >>  including emulated builds into my pipeline. > > Then if you have a need for QtDBus, you'll

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Sunday, 7 May 2017 12:26:02 PDT Konstantin Tokarev wrote: > I'm doing embedded software development, and wouldn't even consider > including emulated builds into my pipeline. Then if you have a need for QtDBus, you'll maybe step up and help us solve this one-year-old issue. -- Thiago

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

07.05.2017, 19:24, "Thiago Macieira" : > On Sunday, 7 May 2017 03:20:26 PDT Ville Voutilainen wrote: >>  On 6 May 2017 at 22:48, Thiago Macieira wrote: >>  > Second, compiling to ARM requires cross-compilation. Since the problem >>  >

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Sunday, 7 May 2017 03:20:26 PDT Ville Voutilainen wrote: > On 6 May 2017 at 22:48, Thiago Macieira wrote: > > Second, compiling to ARM requires cross-compilation. Since the problem > > happens because of cross-compilation, it happens for all ARM builds. > > Perhaps

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On 7 May 2017 at 18:36, René J. V. Bertin wrote: > Ville Voutilainen wrote: > >> Perhaps we should get ARM hardware so that we can do ARM builds >> without cross-compilation. :) > > Not a single Qt dev who'd be willing to donate his/her old phone or Raspberry > for this

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Ville Voutilainen wrote: > Perhaps we should get ARM hardware so that we can do ARM builds > without cross-compilation. :) Not a single Qt dev who'd be willing to donate his/her old phone or Raspberry for this purpose? ;) ___ Development mailing list

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On 6 May 2017 at 22:48, Thiago Macieira wrote: > Second, compiling to ARM requires cross-compilation. Since the problem happens > because of cross-compilation, it happens for all ARM builds. Perhaps we should get ARM hardware so that we can do ARM builds without

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: > > First, because the CI stops at the moment the first problem happens. So we > > don't know where else it may have happened. We only know where it did happen. Oh, right. I assumed that there were independent builders for the different platforms. > Ok, here you go:

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Saturday, 6 May 2017 12:48:57 PDT Thiago Macieira wrote: > First, because the CI stops at the moment the first problem happens. So we > don't know where else it may have happened. We only know where it did > happen. > > Second, compiling to ARM requires cross-compilation. Since the problem >

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Saturday, 6 May 2017 12:20:29 PDT René J. V. Bertin wrote: > Thiago Macieira wrote: > > At the risk of repeating myself, it has nothing to do with ARM. > > Does it happen on any of the other builders? If so, apologies, if someone > had pointed that out I wouldn't have fixated so much on ARM.

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: > At the risk of repeating myself, it has nothing to do with ARM. Does it happen on any of the other builders? If so, apologies, if someone had pointed that out I wouldn't have fixated so much on ARM. > The difference is that in a cross-compilation setting, qdbusxml2cpp

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Saturday, 6 May 2017 05:14:30 PDT René J. V. Bertin wrote: > But since you repeat this: what's different with that xml2cpp code generator > in the cross-compilation setting? Does it contain/run ARM-conditional code > (built for X86), for instance? Is there no way to figure that out without >

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: > Be my guest. I can't test this, so I don't have a way to even try whether it Actually I think you could. Testing this would mean implementing a version of the patches that does nothing on ARM, and then getting that to run that on the ARM CI. The only thing I could

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Em sexta-feira, 28 de abril de 2017, às 02:32:04 PDT, René J.V. Bertin escreveu: > Together with the principal maintainer I am looking into issues in a style > plugin related to its use of DBus (to be informed of desktop-wide changes): > > https://bugs.kde.org/show_bug.cgi?id=363753 i don't

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Em sexta-feira, 5 de maio de 2017, às 01:47:53 PDT, René J. V. Bertin escreveu: > Thiago Macieira wrote: > >> Indeed. Does it even need to link to QtDbus then? > > > > It links to QtBootstrapDBus. > > That looks like an internal library which itself links to QtDBus, right? No, it's a

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: >> Indeed. Does it even need to link to QtDbus then? > > It links to QtBootstrapDBus. That looks like an internal library which itself links to QtDBus, right? Some more thoughts how to work around this: - include only those required bits and pieces into QtBootstrapDBus

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Em quinta-feira, 4 de maio de 2017, às 11:33:44 PDT, René J. V. Bertin escreveu: > Thiago Macieira wrote: > > How could it be? The problem happens with a host application that is a > > code > > generator that doesn't connect to the bus. > > Indeed. Does it even need to link to QtDbus then? It

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: > How could it be? The problem happens with a host application that is a code > generator that doesn't connect to the bus. Indeed. Does it even need to link to QtDbus then? R. ___ Development mailing list

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Em quinta-feira, 4 de maio de 2017, às 11:06:54 PDT, René J. V. Bertin escreveu: > Thiago Macieira wrote: > > I think our ARM builds are little-endian, so endianness cannot be an > > issue. > > > > The problem happens before any ARM code is run, so it's not an emulation > > or > > processor

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

04.05.2017, 21:07, "René J. V. Bertin" : > Thiago Macieira wrote: > >>  I think our ARM builds are little-endian, so endianness cannot be an issue. >> >>  The problem happens before any ARM code is run, so it's not an emulation or >>  processor issue. It must be a

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: > I think our ARM builds are little-endian, so endianness cannot be an issue. > > The problem happens before any ARM code is run, so it's not an emulation or > processor issue. It must be a cross-compilation (bootstrapping) issue. So it cannot be something that has to do

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Em quinta-feira, 4 de maio de 2017, às 08:03:47 PDT, René J. V. Bertin escreveu: > Here's another shot in the dark: that's a 64bit Intel host running an ARM > cross build, maybe even for 32bit. I don't really know how you run tests on > there (emulation?) but couldn't this be something that has

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: > I could start firing in the dark. For example, one characteristic of the above > build that never matches any of my local tests is that it's a cross- > compilation to ARM. So we could disable QtDBus by default when cross- > compiling. I noticed that, and wondered if the

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Em quarta-feira, 3 de maio de 2017, às 08:45:42 PDT, René J.V. Bertin escreveu: > On Wednesday May 03 2017 12:08:49 Edward Welbourne wrote: > >https://testresults.qt.io/logs/qt/qtbase/74dfb52faa8370b61de9eb89947bfdd473 > >fe4986/LinuxUbuntu_15_04x86_64LinuxUbuntuTouch_15_04armv7GCCqtci-linux-Ubun

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Em quarta-feira, 3 de maio de 2017, às 05:08:49 PDT, Edward Welbourne escreveu: > Thiago Macieira wrote: > >> In 5.8, the build deadlocks, so > >> we can't even just disable a test. > > René J. V. Bertin (3 May 2017 13:28) replied: > > How is that even possible? > > We don't know. And yet: >

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Em quarta-feira, 3 de maio de 2017, às 04:28:30 PDT, René J. V. Bertin escreveu: > Thiago Macieira wrote: > > The commercial client will complain to paid support, support will > > investigate the issue and figure out what the regression is. > > And if they can't reproduce it either? Then they

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: >> In 5.8, the build deadlocks, so >> we can't even just disable a test. René J. V. Bertin (3 May 2017 13:28) replied: > How is that even possible? We don't know. And yet:

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: > The commercial client will complain to paid support, support will investigate > the issue and figure out what the regression is. And if they can't reproduce it either? > In 5.8, the build deadlocks, so > we can't even just disable a test. How is that even possible?

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Tuesday, 2 May 2017 02:48:15 CDT René J. V. Bertin wrote: > I'm aware of the direct reason. Apparently you're sure enough that the CI > failure is without consequence to put the burden and responsibility of > incorporating the patch on end-users. That's what I mean with getting an > internal

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Tuesday, 2 May 2017 06:32:48 CDT Thiago Macieira wrote: > On Tuesday, 2 May 2017 02:48:15 CDT René J. V. Bertin wrote: > > Thiago Macieira wrote: > > > > At the very least there should be alternative binaries (QtCore? QtDBus?) > > available for download with the patch applied to which you can

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Tuesday, 2 May 2017 02:48:15 CDT René J. V. Bertin wrote: > Thiago Macieira wrote: > > At the very least there should be alternative binaries (QtCore? QtDBus?) > available for download with the patch applied to which you can point people > who report related issues, and the patch itself should

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: At the very least there should be alternative binaries (QtCore? QtDBus?) available for download with the patch applied to which you can point people who report related issues, and the patch itself should be provided with the sources (in the tarball or clearly listed on

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Sunday, 30 April 2017 10:46:04 -03 René J. V. Bertin wrote: > Thiago Macieira wrote: > > Every Linux distribution should apply the patch. No one should use QtDBus > > without them. I will not support any use or investigate any crash report > > of a build that doesn't have them applied. > > If

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: > Every Linux distribution should apply the patch. No one should use QtDBus > without them. I will not support any use or investigate any crash report of a > build that doesn't have them applied. If you're so certain of the patches why haven't they still been

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Saturday, 29 April 2017 16:46:16 -03 René J. V. Bertin wrote: > Are those patches in any way a possible fix for DBus signals being delivered > to slots in libraries that have already been dlclose'd? The fact this can > happen suggests QtDbus is still very much up and running, no? They may be

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Thiago Macieira wrote: > 5.6: https://codereview.qt-project.org/157488 & > https://codereview.qt-project.org/161056 > > 5.8: https://codereview.qt-project.org/180231 & > https://codereview.qt-project.org/180232 I have, and that's the reason I cannot easily attempt to produce backtraces myself

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Friday April 28 2017 12:27:48 Shawn Rutledge wrote: >That says that this fixes it https://codereview.qt-project.org/#/c/161056/ and >that in turn says that https://codereview.qt-project.org/#/c/180232/ is the >equivalent for 5.8. So I suppose we’d better get it into 5.9 then, right?

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

> On 28 Apr 2017, at 11:32, René J.V. Bertin wrote: > > Hello, > > Together with the principal maintainer I am looking into issues in a style > plugin related to its use of DBus (to be informed of desktop-wide changes): > > https://bugs.kde.org/show_bug.cgi?id=363753

Re: [Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

On Friday, 28 April 2017 06:32:04 -03 René J.V. Bertin wrote: > Together with the principal maintainer I am looking into issues in a style > plugin related to its use of DBus (to be informed of desktop-wide changes): > > https://bugs.kde.org/show_bug.cgi?id=363753 Before I read any of the rest:

[Development] DBus signals for (dlclose'd) style plugin causing crash during application exit?

Hello, Together with the principal maintainer I am looking into issues in a style plugin related to its use of DBus (to be informed of desktop-wide changes): https://bugs.kde.org/show_bug.cgi?id=363753 The ticket above is about a reproducible issue in a custom cleanup handler that is designed