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author | Josh Poimboeuf <jpoimboe@redhat.com> | 2023-04-12 23:31:05 +0300 |
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committer | Josh Poimboeuf <jpoimboe@kernel.org> | 2023-05-16 16:31:50 +0300 |
commit | 89da5a69a831f20df6463fd524e1578e12a8f46f (patch) | |
tree | 957a55db09a6b17a3c6695ba9d2e84517055a0a2 /Documentation/admin-guide | |
parent | dc1d05536f44cee16e46e86316e6718b2c0d8872 (diff) | |
download | linux-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.txt | 6 |
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, |