[Bug 1762652] Re: perf DWARF unwind failed

2018-04-10 Thread Zeno via ubuntu-bugs
Well this is more about the user space tool perf, not really the kernel itself. And I can't really imagine why DWARF unwinding would have anything to do with the kernel used. I'm on stock ubuntu 4.13.0-38-generic btw. When I compile perf from the kernel source (commit

[Bug 1762652] Re: perf DWARF unwind failed

2018-04-10 Thread Brian Murray
** Tags added: artful -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1762652 Title: perf DWARF unwind failed To manage notifications about this bug go to:

[Bug 1762652] Re: perf DWARF unwind failed

2018-04-10 Thread Joseph Salisbury
Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem? Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.16

[Bug 1762652] Re: perf DWARF unwind failed

2018-04-10 Thread Zeno via ubuntu-bugs
apport-collect crashes here, sorry. I'm using a German locale and KDE. Error: File "/usr/share/apport/apport-kde", line 359, in ui_update_view QTreeWidgetItem(keyitem, [str(line)]) UnicodeEncodeError: 'ascii' codec can't encode character u'\xfc' in position 87: ordinal not in range(128)

[Bug 1762652] Re: perf DWARF unwind failed

2018-04-10 Thread Paul White
** Package changed: ubuntu => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1762652 Title: perf DWARF unwind failed To manage notifications about this bug go to:

[Bug 1762652] Re: perf DWARF unwind failed

2018-04-10 Thread Ubuntu Foundations Team Bug Bot
Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people