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diff --git a/wiki/src/support/known_issues/graphics.mdwn b/wiki/src/support/known_issues/graphics.mdwn
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--- a/wiki/src/support/known_issues/graphics.mdwn
+++ b/wiki/src/support/known_issues/graphics.mdwn
@@ -294,6 +294,19 @@ We need more test results from users: [[!tails_ticket 15116]]
Other issues
============
+Black screen and "soft lockup" error
+------------------------------------
+
+On some laptops, Tails starts but displays the following error and ends
+up on a black screen:
+
+<p class="pre">soft lockup - CPU#<span class="command-placeholder">N</span> stuck for <span class="command-placeholder">N</span>s</p>
+
+To make Tails start successfully, add the following options to the
+[[startup options|/doc/first_steps/startup_options/#boot_loader_menu]]:
+
+ acpi_rev_override=1 nouveau.modeset=0
+
<a id="sg-black-screen"></a>
Black screen with switchable graphics computers