Changeset 00032e41 for x/lib/qtwebengine.xml

Timestamp:

08/31/2021 12:03:02 AM (3 years ago)

Author:

Bruce Dubbs <bdubbs@…>

Branches:

11.0, 11.1, 11.2, 11.3, 12.0, 12.1, kea, ken/TL2024, ken/inkscape-core-mods, ken/tuningfonts, lazarus, lxqt, plabs/newcss, plabs/python-mods, python3.11, qt5new, rahul/power-profiles-daemon, renodr/vulkan-addition, trunk, upgradedb, xry111/intltool, xry111/llvm18, xry111/soup3, xry111/test-20220226, xry111/xf86-video-removal

Children:

6fdd3ce

Parents:

4148484c

Message:

Tag qtwebengine and add a warning.
This is the largest BLFS package. It can overload system memory
if all cores are used. Add a warning about this.

Note: Build failed at about the 90% point on a system with 24 cores
and 32 GB of RAM + 2 GB of swap due to out-of-memory. The
solution is to limit cores with NINJAJOBS ir add RAM or swap space.

File:

• x/lib/qtwebengine.xml (modified) (2 diffs)

x/lib/qtwebengine.xml

@@ -151 +151 @@
          end of note for editors -->
 
-    &lfs101_checked;
-
-    <note>
+    &lfs110a_checked;
+
+    <warning>
       <para>
         By default, ninja will use all online CPUs +2 (if at least 4 exist),
         even if they are not available to the current task because the build
-        terminal has been restricted with 'taskset'.  To work around this, see
-        the Command Explanations below.
-      </para>
-
+        terminal has been restricted with 'taskset'.  In BLFS, this package 
+        takes more time to build than than any other.  In one example,
+        the build of this package crashed at about the 90 percent point 
+        due to an out of memory problem on a system with 24 cores and 32 GB 
+        of memory.
+      </para>
+
+      <para>
+        To work around this, see the Command Explanations below.
+      </para>
+    </warning>
+
+    <note>
       <para>
         Unusually, the shipped GN build system (used to create the Ninja files)
@@ -489 +498 @@
             Reducing the number of cores being used on long running, CPU
             intensive packages may alleviate heat problems.
+          </para>
+        </listitem>
+        <listitem>
+          <para>
+            Reducing the number of cores will prevent potential out-of-memory
+            problems on systems that do not have enough memory (or swap)
+            when all cores are active.  A suggested approach is to limit 
+            the number of cores to about one core for each 1.5 GB of 
+            combined RAM and swap space.
           </para>
         </listitem>