[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

>From upstream QEMU's point of view the status of this bug is "it's an old bug report that tended to accumulate 'this seems like it's the same as my bug' extra comments; we have fixed the underlying cause of the original bug, so leave this one closed and file new ones with proper reproducer

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

What's the status of this bug? I see LP: #1764555 has been marked as invalid as the test environment was tainted - does this imply the fix was correct and everything is working as intended? The bug is marked for 16.04.5. If it's still something we intent to get released for the point-release we

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I have filed a new bug: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1764555 -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with qemu-arm-static Status in QEMU:

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Steps to reproduce: # on ubuntu bionic amd64 host sudo apt-add-repository ppa:ev3dev/tools # assuming apt-add-repository does apt update now sudo apt install pbuilder-ev3dev git git clone --depth=1 https://github.com/ev3dev/opencv cd opencv OS=debian ARCH=armhf DIST=stretch pbuilder-ev3dev base

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I am seeing the same symptoms as the original poster. I'm building the opencv package in a debian stretch armfh chroot on a ubuntu bionic amd64 host. So, I'm guessing that the race condition wasn't entirely fixed or there has been some sort of regression. -- You received this bug notification

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

That means our assumption taken in comment #63 that it was fixed in http://git.qemu.org/?p=qemu.git;a=commitdiff;h=014628a705bdaf31c09915 either was wrong (unset fix released) - or this is a similar but not the same issue (which would imply a new bug since this already has plenty of potentially

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

** Also affects: qemu (Ubuntu Xenial) Importance: Undecided Status: New ** Also affects: qemu-linaro (Ubuntu Xenial) Importance: Undecided Status: New -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

** Also affects: qemu (Ubuntu) Importance: Undecided Status: New ** Changed in: qemu (Ubuntu) Status: New => Confirmed ** Changed in: qemu (Ubuntu) Milestone: None => ubuntu-16.04.5 -- You received this bug notification because you are a member of qemu- devel-ml, which is

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Fixes should be part of QEMU v2.7.0, e.g.: http://git.qemu.org/?p=qemu.git;a=commitdiff;h=014628a705bdaf31c09915 ... so setting the status to "Fix Released" now. ** Changed in: qemu Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Hello, Peter Maydell we have new qemu-arm hang issue. I guess you are busy for new qemu 2.7 release. But, could you please help us if you have time? https://bugs.launchpad.net/qemu/+bug/1617929 Very thank you in advance :-) -- You received this bug notification because you are a member of

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

OK, so the behaviour you saw is expected since we didn't fix 32-bit hosts until a bit later; but they should both be fixed now. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Thanks for your feedback. I was running this on intel i7 Ubuntu 64bit. but I used 32bit qemu as you suspected. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Thanks for that test case; unfortunately it works fine for me (both with current git master and with commit b66e10e4c9ae7384). Can you tell me what host machine you're running this on, and in particular whether it is 32 bit or 64 bit? Commit b66e10e4c9ae7384 will fix this hang for x86-64 (64-bit

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

chroot env. attached (120M tar). I hope you can reproduce with this chroot. Instructions to reproduce - extract, chroot - su - abuild - cd /home/abuild/rpmbuild/BUILD/cmake-2.8.5/armv7l-tizen-linux-gnueabi/ - Bootstrap.cmk/cmake .. -CBootstrap.cmk/InitialCacheFlags.cmake '-GUnix Makefiles'

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Please provide exact reproduction instructions -- I need enough information that I can completely replicate your setup and what you're doing: exactly how you've set up any chroot or whatever other guest setup you have, what cmake command you're running, and so on. -- You received this bug

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I test with b66e10e4c9ae738412b9742db49457f6b703e349 before. I test with 14c7d99333e4a474c65bdae6f99aa8837e8078e6 today and no hang. But I had to revert 4fb8320a2efb2216c7ddcc929ad0362f4e285681 which causes segfault. -- You received this bug notification because you are a member of qemu-

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Please can you (a) double check that you're definitely running the correct new QEMU and (b) provide exact reproduction instructions so I can investigate the hang. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I'm so sorry that cmake still hang with my Ubuntu 12.04 and openSUSE 12.3 machine. and the hanging point has changed. cmake hung at select() with old qemu. but now cmake hang at pselect6() with new qemu. And also I could continue build by sending SIGCHLD to hanging qemu. but now cmake still hang

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I'm going to mark this bug as 'fix committed', because changes which should fix both the cmake and the git hang are now in QEMU git master. If people have test cases for things which still fail on current git master, please open fresh bugs for them. ** Changed in: qemu Status: Confirmed

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

That's great! it works for me. Thanks a lot. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with qemu-arm-static Status in QEMU: Confirmed Status in Linaro QEMU:

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

A prebuilt package of qemu-user built statically at: http://repo.linaro.org/ubuntu/linaro-tools/pool/main/q/qemu/qemu-user- static_2.6.0+git931+g9bbbf64-1linarojessie1_amd64.deb -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Please try the latest qemu git HEAD, Timothys and Peters fixes have been merged in. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with qemu-arm-static Status in QEMU:

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

That's great news - thanks very much. This will make working on RetroPie development in a chroot much easier (we have workarounds to avoid using git because of this issue). -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Thanks for that report of a hang running git. I've been able to identify and fix the bug (it is a different problem to the issue that was causing cmake to hang) and have sent a patch: http://patchwork.ozlabs.org/patch/631708/ That fix will hopefully make it into QEMU 2.7. -- You received this

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I get a hang doing this most times in an emulated ARM chroot with qemu- arm-static (Raspbian). Host machine is x86_64 Ubuntu 16.04 running qemu 2.5.0. git clone --depth 1 https://github.com/libretro/picodrive.git cd picodrive && git submodule update --init -- You received this bug notification

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I was hoping for a "run this command" level of reproducer :-) Alternatively, if anybody's conveniently able to build and test a new QEMU with whatever was failing for them, you can try the git branch https://git.linaro.org/people/peter.maydell/qemu-arm.git sigrace-fixes -- You received this

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

iirc i've was able to reproduce this bug every time while compiling kdelibs4 on a chrooted arm image -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with qemu-arm-static

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Does anybody have a reliable reproduce case for this bug? I have some patches I'd like to test which I think should fix it, but I cannot get the test case attached in comment #10 to hang at all, even without the fixes. -- You received this bug notification because you are a member of qemu-

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

ok, i've found a better place for patchset download: https://patchwork.ozlabs.org/project/qemu- devel/list/?submitter=Timothy+Baldwin=linux-user unfortunately cmake still hangs in a way that even sending SIGCHLD doesn't wake it up, i have to send SIGKILL to stop it and consequently breaking the

Re: [Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

On Sat, Sep 19, 2015 at 4:31 PM, skunk wrote: > thank you peter, do you know if timothy has a github account? > i'm too lazy to copy the 34 patches by hand from the mailing list... The patches utility can do this for you off the list: https://github.com/stefanha/qemu-patches

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Recent patchseries which I think ought to be a proper fix for this bug: https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg01388.html It does need some more work to address review comments but it's sound in principle. -- You received this bug notification because you are a member of qemu-

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

the above patch still applies with qemu 2.4, but then it fails to build with the following error: x86_64-pc-linux-gnu-gcc -I/var/tmp/portage/app-emulation/qemu-2.4.0-r1/work/qemu-2.4.0/tcg -I/var/tmp/portage/app-emulation/qemu-2.4.0-r1/work/qemu-2.4.0/tcg/i386

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

thank you peter, do you know if timothy has a github account? i'm too lazy to copy the 34 patches by hand from the mailing list... -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Most rececnt qemu-devel discussion and a promising looking approach (ie it would work whereas my idea linked from comment #14 would not): http://lists.gnu.org/archive/html/qemu-devel/2014-02/msg04569.html -- You received this bug notification because you are a member of qemu- devel-ml, which is

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

It's just excellent illustration why I hate pipes. So CMake guys can remove this crap from their code and use socketpair() or like instead. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

What cmake is doing is an entirely legitimate and well-recognized Unix idiom for converting signals into effects on filedescriptors for select(), and there's no reason for them to change it. This is absolutely a bug in QEMU, it's just one that's not easy for us to fix. (Using socketpair would not

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Isn't it fixed yet with latest qemu 2.1 rc? -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with qemu-arm-static Status in QEMU: Confirmed Status in Linaro QEMU:

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

No; this is a a complicated issue to fix that basically requires a significant restructuring of the linux-user code. Nobody's done that yet and as far as I know nobody's said they plan to do so either. -- You received this bug notification because you are a member of qemu- devel-ml, which is

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

LK: Ok, good catch, that might be more suitable option. Thanks, -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with qemu-arm-static Status in QEMU: Confirmed Status in

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Janne Karhunen: Do you think if it is correct that return 0 when ts-signal_pending is true and select() returns '0' (timeout)? Because the caller doesn't expect to return select() with 0, should we return other error values such as EINTR? When I modified you patch to return EINTR if select()

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I wouldn't mind giving this patch a test if given some instructions on doing so. I am also unable to compile pcl because of this bug. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title:

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Luke Kim: quite unlikely that above patch would cause the issue you see.. are you sure something else did not break in your environment? Can you execute that same make manually? -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I have tested cmake.patch but it doesn't work for me. It didn't hang but it failed to run gmake. I applied this patch onto qemu-1.3. [ 52s] -- Detecting CXX compiler ABI info [ 53s] CMake Error: Generator: execution of make failed. Make command was: /usr/bin/gmake cmTryCompileExec/fast [

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Just out of interest tried how far the timeout hackery can go working around the issue. Well, looks like it goes quite far: having previously reproduced the hang in 4-5 runs and in under a minute, now have had this running without a hang for an hour. I will also test the patch under OBS worker(s)

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Some kind of semi-workaround patch attached. It seems to leave this kind of race window for me (for select which is worse): 0x6004bf98 +136: xor%r8d,%r8d 0x6004bf9b +139: test %eax,%eax 0x6004bf9d +141: jne0x6004c2b7 do_select+935

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

The attachment racy workaround patch of this bug report has been identified as being a patch. The ubuntu-reviewers team has been subscribed to the bug report so that they can review the patch. In the event that this is in fact not a patch you can resolve this situation by removing the tag

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

And what would break if we make poll timeout instantly in case there are signals pending and restart the given syscall after handlers run? -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title:

Re: [Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

On 4 December 2012 11:21, Janne Karhunen 955...@bugs.launchpad.net wrote: And what would break if we make poll timeout instantly in case there are signals pending and restart the given syscall after handlers run? If there are signals pending in the host kernel poll will *already* return

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Moreover, is there even a need to restart anything, just make it async call in case signals were pending? -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Never mind, async/zero timeout call would suffer from same (albeit now tiny) race. It would make this far less invasive as a change though. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Yes. You can never shut the window completely trying to do it that way, which is why you need fix the problem properly instead. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake

Re: [Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

On 01.12.2012, at 12:27, Peter Maydell wrote: On 1 December 2012 10:29, Janne Karhunen 955...@bugs.launchpad.net wrote: this blocks forever, because the thing that would wake it up is the signal handler writing to the pipe we're selecting on, but we will never run the signal handler until

Re: [Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

On 3 December 2012 21:20, Alexander Graf ag...@suse.de wrote: Could you please try and see if this patch makes a difference? http://repo.or.cz/w/qemu/agraf.git/patch/489924aa0115dc6cfcd4e91b0747da4ff8425d1f I think the answer will turn out to be no (though it's worth testing anyway), because

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

So I guess 'raciness' of my proposed patch would only depend on how small I could squeeze the section between 'sigpending' flag comparison and actual syscall entering? -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

** Changed in: qemu Status: New = Confirmed ** Changed in: qemu-linaro Status: New = Confirmed -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

this blocks forever, because the thing that would wake it up is the signal handler writing to the pipe we're selecting on, but we will never run the signal handler until select exits Duh, makes sense, have to think about this. Thank you for great analysis :) Apparently have to dig into qemu's

Re: [Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

On 1 December 2012 10:29, Janne Karhunen 955...@bugs.launchpad.net wrote: this blocks forever, because the thing that would wake it up is the signal handler writing to the pipe we're selecting on, but we will never run the signal handler until select exits Duh, makes sense, have to think

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

That test case seems to have very weak reproducibility -- I think I saw a hang perhaps once in 30+ runs. That's not really usable for debugging, I'm afraid :-( -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

If that is the case for you (for me it reproduces it every 4-5 runs or so), there are two options: 1) put while(true) loop around the rpmbuild and you will hit it always, or 2) I can wrap up a bit bigger cmake usecase that systematically hits it. Warn you though, size will jump to 200M. -- You

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I'll take the bigger usecase, please. It's pretty hard to debug race conditions that don't manifest often enough to let you do useful logging. From the time or two I caught it hanging, it looks like qemu is sleeping in poll, and there's a zombie child process. I wonder if what's happening is

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Actually I just managed to interact with a hung qemu under a debugger sufficiently to confirm what is happening here. CMake's code for running child processes (in kwsys/ProcessUNIX.c) does this: On UNIX, a child process is forked to exec the program. Three output pipes are read by the parent

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Ok, test case attached (80M tar). This hugely stripped one is not 100% reproducer, but do few loops and you will hit it. Instructions for using: - extract, chroot - cd /home/abuild/rpmbuild - su abuild - export RPM_BUILD_ROOT=$PWD - rpmbuild -ba SOURCES/libshortcut.spec ** Attachment added:

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Mind you, when you hit the bug it just hangs and cmake test errors are just to speed up the process of hitting the bug (if cmake just fails you did not hit the bug). Feel free to try with any qemu variant, they all hang similarly when bug is hit. I think that root had some suse 1.2 one inside. --

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Peter, I have qemu chrootable test case under which you could fire one command to hit the bug reliably. Only issue is, are you willing to take a peek at 100M extractable tarball? If not, I'll try to create a smaller one. -- You received this bug notification because you are a member of qemu-

Re: [Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

On 28 November 2012 08:42, Janne Karhunen 955...@bugs.launchpad.net wrote: Peter, I have qemu chrootable test case under which you could fire one command to hit the bug reliably. Only issue is, are you willing to take a peek at 100M extractable tarball? If not, I'll try to create a smaller

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Peter, if you try to run the cmake file for lp:unity you should hit it. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with qemu-arm-static Status in QEMU: New Status

Re: [Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

On 25 November 2012 20:40, Tim Penhey tim.pen...@canonical.com wrote: Peter, if you try to run the cmake file for lp:unity you should hit it. I'm afraid that's way too little detail. Assume I know nothing about launchpad, cmake or unity, and give me a set of instructions I can run on a machine

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: qemu-linaro (Ubuntu) Status: New = Confirmed -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title:

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

If you can provide a simple straightforward reproduce case that would be useful. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with qemu-arm-static Status in QEMU: New

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

** Also affects: qemu-linaro Importance: Undecided Status: New ** Also affects: qemu-linaro (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I am also having this issue with latest qemu on quantal using an armhf chroot. cmake will occasionally finish, but mostly it just hangs, most often in the pkg_check bits. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU.

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I can confirm that this is still an issue even with latest qemu-linaro, from Quantal (1.2.0-2012.09-0ubuntu1). -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

I have found several places cmake may hang, with either qemu-arm-static or mipsel, and in debian (testing) as well as in Ubuntu. One of them is the cmake check for c++ compiler, which can be overridden. Things that use cmake's pkg_check_modules and pkg-config files will also hang. Curiously,