14 Jul
2017
14 Jul
'17
3:50 p.m.
On Fri, Jul 14, 2017 at 03:36:08PM +0200, Mike Galbraith wrote:
Ok, a network outage gave me time to go hunting. Indeed it is a bad interaction with the tree DRM merged into. All DRM did was to slip a WARN_ON_ONCE() that nouveau triggers into a kernel module where such things no longer warn, they blow the box out of the water. I made a dinky testcase module (attached), and bisected to the real root....
19d436268dde95389c616bb3819da73f0a8b28a8 is the first bad commit commit 19d436268dde95389c616bb3819da73f0a8b28a8 Author: Peter Zijlstra peterz@infradead.org Date: Sat Feb 25 08:56:53 2017 +0100
debug: Add _ONCE() logic to report_bug()
Urgh, is for some mysterious reason the __bug_table section of modules ending up in RO memory?
I forever get lost in that link magic :/