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authorJosh Poimboeuf <jpoimboe@redhat.com>2023-04-12 23:31:05 +0300
committerJosh Poimboeuf <jpoimboe@kernel.org>2023-05-16 16:31:50 +0300
commit89da5a69a831f20df6463fd524e1578e12a8f46f (patch)
tree957a55db09a6b17a3c6695ba9d2e84517055a0a2 /Documentation/admin-guide
parentdc1d05536f44cee16e46e86316e6718b2c0d8872 (diff)
downloadlinux-89da5a69a831f20df6463fd524e1578e12a8f46f.tar.xz
x86/unwind/orc: Add 'unwind_debug' cmdline option
Sometimes the one-line ORC unwinder warnings aren't very helpful. Add a new 'unwind_debug' cmdline option which will dump the full stack contents of the current task when an error condition is encountered. Reviewed-by: Miroslav Benes <mbenes@suse.cz> Link: https://lore.kernel.org/r/6afb9e48a05fd2046bfad47e69b061b43dfd0e0e.1681331449.git.jpoimboe@kernel.org Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Diffstat (limited to 'Documentation/admin-guide')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 9e5bab29685f..f922eea6425e 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6563,6 +6563,12 @@
unknown_nmi_panic
[X86] Cause panic on unknown NMI.
+ unwind_debug [X86-64]
+ Enable unwinder debug output. This can be
+ useful for debugging certain unwinder error
+ conditions, including corrupt stacks and
+ bad/missing unwinder metadata.
+
usbcore.authorized_default=
[USB] Default USB device authorization:
(default -1 = authorized except for wireless USB,