[Bug 67813] [HSW Regression]igt/module_reload causes [drm:hsw_unclaimed_reg_check] *ERROR* Unclaimed write to 44004 and system hang with headless

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67813

Daniel Vetter <daniel at ffwll.ch> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #1 from Daniel Vetter <daniel at ffwll.ch> ---
Hm, the dmesg output seems to be rather sparse. Have you checked that full
debug output is enabled over the console? You can set this with

dmesg -n 8

Note that the dmesg tool shipping with most distros is broken, and the upstream
maintainer unwilling to fix it (I have no idea about the amount of fail going
on there). If your dmesg tool rejects the above command please compile&run (as
root) the below littel C tool:

#include <stdio.h>
#include <sys/syslog.h>
#include <sys/klog.h>

int main()
{
        klogctl(8, NULL, 8);
}

If the dmesg with full debug enabled doesn't show more I guess we need the
bisect result to move forward here. But since there's quite a few commits to
test grabbing a new dmesg might be quicker.

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