From d27cc9310164c8cec062cc133c669a9233b97a42 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dan=20Hor=C3=A1k?= <dan@danny.cz>
Date: Tue, 18 Sep 2012 11:02:35 +0200
Subject: [PATCH] Added fix for rhbz#855923 - TB freezes on Fedora 18 for PPC64

---
 rhbz-855923.patch | 19 +++++++++++++++++++
 thunderbird.spec  |  7 ++++++-
 2 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 rhbz-855923.patch

diff --git a/rhbz-855923.patch b/rhbz-855923.patch
new file mode 100644
index 0000000..c6282b0
--- /dev/null
+++ b/rhbz-855923.patch
@@ -0,0 +1,19 @@
+Index: comm-release/mozilla/js/src/gc/Memory.cpp
+===================================================================
+--- comm-release.orig/mozilla/js/src/gc/Memory.cpp
++++ comm-release/mozilla/js/src/gc/Memory.cpp
+@@ -348,9 +348,14 @@ UnmapPages(void *p, size_t size)
+ bool
+ MarkPagesUnused(void *p, size_t size)
+ {
++// A workaround for Bug 746112 - endless loop on ppc64
++#if !(defined(__powerpc__))
+     JS_ASSERT(uintptr_t(p) % PageSize == 0);
+     int result = madvise(p, size, MADV_DONTNEED);
+     return result != -1;
++#else
++    return true;
++#endif
+ }
+ 
+ bool
diff --git a/thunderbird.spec b/thunderbird.spec
index bbc3231..203cbd2 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -40,7 +40,7 @@
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
 Version:        15.0.1
-Release:        2%{?dist}
+Release:        3%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
@@ -68,6 +68,7 @@ Patch200:       thunderbird-8.0-enable-addons.patch
 
 # PPC fixes
 Patch300:       xulrunner-852698.patch
+Patch301:       rhbz-855923.patch
 
 %if %{official_branding}
 # Required by Mozilla Corporation
@@ -156,6 +157,7 @@ cd ..
 
 %patch200 -p1 -b .addons
 %patch300 -p1 -b .852698
+%patch301 -p1 -b .855923
 
 %if %{official_branding}
 # Required by Mozilla Corporation
@@ -401,6 +403,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Tue Sep 18 2012 Dan Horák <dan[at]danny.cz> - 15.0.1-3
+- Added fix for rhbz#855923 - TB freezes on Fedora 18 for PPC64
+
 * Fri Sep 14 2012 Martin Stransky <stransky@redhat.com> - 15.0.1-2
 - Added build flags for second arches