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authorPaul Eggert <eggert@cs.ucla.edu>2019-02-01 17:58:05 -0800
committerPaul Eggert <eggert@cs.ucla.edu>2019-02-01 17:58:38 -0800
commit9d87ba1e1fd987be465e22712d4bc79225bbc6b3 (patch)
tree73f798f9f6e2a8cd61cbb7d22ce0ebd38091e25c
parent6c6b540711d0dd8a8eac9547968ed4dfb493fd1c (diff)
downloademacs-9d87ba1e1fd987be465e22712d4bc79225bbc6b3.tar.gz
* etc/PROBLEMS: Mention profiler-report bug (Bug#34235).
-rw-r--r--etc/PROBLEMS6
1 files changed, 6 insertions, 0 deletions
diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index cab087631c7..00583f016d1 100644
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -1850,6 +1850,12 @@ term/xterm.el) for more details.
** GNU/Linux
+*** GNU/Linux: profiler-report outputs nothing.
+
+A few versions of the Linux kernel have timer bugs that break CPU
+profiling; see Bug#34235. To fix the problem, upgrade to kernel
+versions 4.19.19 or 4.20.6, or later.
+
*** GNU/Linux: Process output is corrupted.
There is a bug in Linux kernel 2.6.10 PTYs that can cause emacs to