diff --git a/disable-threading-in-compression-for-hibernate.patch b/disable-threading-in-compression-for-hibernate.patch new file mode 100644 index 0000000..685c294 --- /dev/null +++ b/disable-threading-in-compression-for-hibernate.patch @@ -0,0 +1,17 @@ +In attempt to find the cause of some of the hibernate issues we are seeing, +turn off threading for compression. + +Signed-off-by: Justin M. Forbes + +diff -ruNp a/kernel/power/swap.c b/kernel/power/swap.c +--- a/kernel/power/swap.c 2012-03-02 13:52:27.777485028 -0600 ++++ b/kernel/power/swap.c 2012-03-02 14:05:20.168115129 -0600 +@@ -401,7 +401,7 @@ static int swap_writer_finish(struct swa + #define LZO_CMP_SIZE (LZO_CMP_PAGES * PAGE_SIZE) + + /* Maximum number of threads for compression/decompression. */ +-#define LZO_THREADS 3 ++#define LZO_THREADS 1 + + /* Maximum number of pages for read buffering. */ + #define LZO_READ_PAGES (MAP_PAGE_ENTRIES * 8) diff --git a/kernel.spec b/kernel.spec index 8ac728b..8020c7d 100644 --- a/kernel.spec +++ b/kernel.spec @@ -781,6 +781,9 @@ Patch21301: cifs-fix-dentry-refcount-leak-when-opening-a-FIFO.patch #rhbz 728478 Patch21302: sony-laptop-Enable-keyboard-backlight-by-default.patch +# Disable threading in hibernate compression +Patch21303: disable-threading-in-compression-for-hibernate.patch + Patch21400: unhandled-irqs-switch-to-polling.patch # compat-wireless patches @@ -1509,6 +1512,9 @@ ApplyPatch cifs-fix-dentry-refcount-leak-when-opening-a-FIFO.patch #rhbz 728478 ApplyPatch sony-laptop-Enable-keyboard-backlight-by-default.patch +#Disable threading in hibernate compression +ApplyPatch disable-threading-in-compression-for-hibernate.patch + ApplyPatch unhandled-irqs-switch-to-polling.patch # END OF PATCH APPLICATIONS @@ -2382,6 +2388,9 @@ fi # ||----w | # || || %changelog +* Fri Mar 02 2012 Justin M. Forbes +- Disable threading in hibernate compression/decompression + * Fri Mar 02 2012 Adam Jackson - drm-intel-crtc-dpms-fix.patch: Fix system hang on gen2 kit on DPMS (#730853)