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-rw-r--r--debian/patches-rt/0053-leds-trigger-disable-CPU-trigger-on-RT.patch41
1 files changed, 41 insertions, 0 deletions
diff --git a/debian/patches-rt/0053-leds-trigger-disable-CPU-trigger-on-RT.patch b/debian/patches-rt/0053-leds-trigger-disable-CPU-trigger-on-RT.patch
new file mode 100644
index 000000000..d8b93a3b6
--- /dev/null
+++ b/debian/patches-rt/0053-leds-trigger-disable-CPU-trigger-on-RT.patch
@@ -0,0 +1,41 @@
+From 2f974cb740c62b0919de64dfd6adffd2ee6de05e Mon Sep 17 00:00:00 2001
+From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+Date: Thu, 23 Jan 2014 14:45:59 +0100
+Subject: [PATCH 053/347] leds: trigger: disable CPU trigger on -RT
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz
+
+as it triggers:
+|CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.8-rt10 #141
+|[<c0014aa4>] (unwind_backtrace+0x0/0xf8) from [<c0012788>] (show_stack+0x1c/0x20)
+|[<c0012788>] (show_stack+0x1c/0x20) from [<c043c8dc>] (dump_stack+0x20/0x2c)
+|[<c043c8dc>] (dump_stack+0x20/0x2c) from [<c004c5e8>] (__might_sleep+0x13c/0x170)
+|[<c004c5e8>] (__might_sleep+0x13c/0x170) from [<c043f270>] (__rt_spin_lock+0x28/0x38)
+|[<c043f270>] (__rt_spin_lock+0x28/0x38) from [<c043fa00>] (rt_read_lock+0x68/0x7c)
+|[<c043fa00>] (rt_read_lock+0x68/0x7c) from [<c036cf74>] (led_trigger_event+0x2c/0x5c)
+|[<c036cf74>] (led_trigger_event+0x2c/0x5c) from [<c036e0bc>] (ledtrig_cpu+0x54/0x5c)
+|[<c036e0bc>] (ledtrig_cpu+0x54/0x5c) from [<c000ffd8>] (arch_cpu_idle_exit+0x18/0x1c)
+|[<c000ffd8>] (arch_cpu_idle_exit+0x18/0x1c) from [<c00590b8>] (cpu_startup_entry+0xa8/0x234)
+|[<c00590b8>] (cpu_startup_entry+0xa8/0x234) from [<c043b2cc>] (rest_init+0xb8/0xe0)
+|[<c043b2cc>] (rest_init+0xb8/0xe0) from [<c061ebe0>] (start_kernel+0x2c4/0x380)
+
+
+Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
+---
+ drivers/leds/trigger/Kconfig | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/drivers/leds/trigger/Kconfig b/drivers/leds/trigger/Kconfig
+index 4018af769969..b4ce8c115949 100644
+--- a/drivers/leds/trigger/Kconfig
++++ b/drivers/leds/trigger/Kconfig
+@@ -63,6 +63,7 @@ config LEDS_TRIGGER_BACKLIGHT
+
+ config LEDS_TRIGGER_CPU
+ bool "LED CPU Trigger"
++ depends on !PREEMPT_RT_BASE
+ help
+ This allows LEDs to be controlled by active CPUs. This shows
+ the active CPUs across an array of LEDs so you can see which
+--
+2.36.1
+