diff options
Diffstat (limited to 'mailinglist/output_launchpad/1771570')
| -rw-r--r-- | mailinglist/output_launchpad/1771570 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/mailinglist/output_launchpad/1771570 b/mailinglist/output_launchpad/1771570 new file mode 100644 index 00000000..6e4588d5 --- /dev/null +++ b/mailinglist/output_launchpad/1771570 @@ -0,0 +1,27 @@ +qemu-aarch64 $program > $file doesn't pipe output to file in 2.12.0 + +Running qemu-aarch64 $program > $file doesn't pipe anything to $file. The file is created but empty. + +qemu-aarch64 --help > $file works, so piping output in my system seems to work. +qemu-x86_64 $program > $file works, too. + +I'm running version 2.12.0 build from source with ./configure && make + +Output of uname -a: +Linux zhostname> 4.4.0-101-generic #124-Ubuntu SMP Fri Nov 10 18:29:59 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux + +Running "unbuffer qemu-aarch64 $program > $file" allows to pipe the output. + +Is it intentional that I need to disable buffering to allow piping to other processes? If yes, this issue can be closed. + +further reading about unbuffer: https://unix.stackexchange.com/questions/25372/turn-off-buffering-in-pipe#25378 + + + +No, this should work on qemu-aarch64 the same way as for x86. I just tried redirection to a file with a sample program, and it worked fine for me. Can you provide a test case binary that fails like this, please? + + +This issue is now marked as invalid, sorry for the trouble. + +qemu works just fine. The problem was with my linker configuration, it was using a different dynamic library for aarch64. Switching to a standard development stack solved my problem. + |