From: Bruno Haible <bruno@clisp.org>
Date: Wed, 15 Apr 2026 11:45:35 +0000 (+0200)
Subject: pthread_sigmask tests: More details about VirtualBox / KVM bug.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3daeaa60a16bd320950b402b64164f96316c2196;p=thirdparty%2Fgnulib.git

pthread_sigmask tests: More details about VirtualBox / KVM bug.

* tests/test-pthread_sigmask1.c (main): Refine comment regarding
VirtualBox / KVM bug.
* tests/test-pthread_sigmask2.c (main): Likewise.
---

diff --git a/ChangeLog b/ChangeLog
index fb6babd1ff..4bef6f5975 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2026-04-15  Bruno Haible  <bruno@clisp.org>
+
+	pthread_sigmask tests: More details about VirtualBox / KVM bug.
+	* tests/test-pthread_sigmask1.c (main): Refine comment regarding
+	VirtualBox / KVM bug.
+	* tests/test-pthread_sigmask2.c (main): Likewise.
+
 2026-04-14  Bruno Haible  <bruno@clisp.org>
 
 	sigprocmask: On mingw, avoid dependency on libwinpthread.
diff --git a/tests/test-pthread_sigmask1.c b/tests/test-pthread_sigmask1.c
index d97e75d27a..e088eb61ea 100644
--- a/tests/test-pthread_sigmask1.c
+++ b/tests/test-pthread_sigmask1.c
@@ -46,7 +46,8 @@ int
 main ()
 {
   /* This test occasionally fails on Linux (glibc or musl libc), in a
-     VirtualBox VM with paravirtualization = Default or KVM, with ≥ 2 CPUs.
+     VirtualBox VM with paravirtualization = Default or KVM, with ≥ 2 CPUs,
+     when "Nested VT-x/AMD-V" and "PAE/NX" are not both enabled.
      Skip the test in this situation.  */
   if (is_running_under_virtualbox_kvm () && num_cpus () > 1)
     {
diff --git a/tests/test-pthread_sigmask2.c b/tests/test-pthread_sigmask2.c
index 7c71984ac6..c4b6c1af44 100644
--- a/tests/test-pthread_sigmask2.c
+++ b/tests/test-pthread_sigmask2.c
@@ -53,7 +53,8 @@ int
 main ()
 {
   /* This test occasionally fails on Linux (glibc or musl libc), in a
-     VirtualBox VM with paravirtualization = Default or KVM, with ≥ 2 CPUs.
+     VirtualBox VM with paravirtualization = Default or KVM, with ≥ 2 CPUs,
+     when "Nested VT-x/AMD-V" and "PAE/NX" are not both enabled.
      Skip the test in this situation.  */
   if (is_running_under_virtualbox_kvm () && num_cpus () > 1)
     {