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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - [HD 4400] failed to set mode: Permission denied [13]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83605">bug 83605</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>NOTOURBUG
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - [HD 4400] failed to set mode: Permission denied [13]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83605#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - [HD 4400] failed to set mode: Permission denied [13]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83605">bug 83605</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>systemd/logind passes an fd to X to use, and then promptly removes privileges
from that fd for modesetting.
[ 111.207166] [drm:drm_ioctl] pid=3778, dev=0xe200, auth=1,
DRM_IOCTL_SET_MASTER
[ 111.207293] [drm:drm_ioctl] pid=3944, dev=0xe200, auth=1,
DRM_IOCTL_SET_VERSION
[ 111.207299] [drm:drm_ioctl] pid=3944, dev=0xe200, auth=1,
DRM_IOCTL_GET_UNIQUE
[ 111.207301] [drm:drm_ioctl] pid=3944, dev=0xe200, auth=1,
DRM_IOCTL_GET_UNIQUE
[ 111.207305] [drm:drm_ioctl] pid=3944, dev=0xe200, auth=1, DRM_IOCTL_VERSION
[ 111.207308] [drm:drm_ioctl] pid=3944, dev=0xe200, auth=1, DRM_IOCTL_VERSION
[ 111.288761] [drm:intel_crtc_set_config] [CRTC:7] [FB:40] #connectors=1 (x y)
(0 0)
[ 111.288765] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:7], mode_changed=0, fb_changed=0
[ 111.288767] [drm:intel_modeset_stage_output_state] [CONNECTOR:18:eDP-1] to
[CRTC:7]
[ 111.288770] [drm:drm_framebuffer_reference] ffff880234cf39c0: FB ID: 40 (3)
[ 111.288771] [drm:drm_framebuffer_unreference] ffff880234cf39c0: FB ID: 40
(4)
[ 111.288772] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
[ 111.288774] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:11], mode_changed=0, fb_changed=0
[ 111.288775] [drm:intel_modeset_stage_output_state] [CONNECTOR:18:eDP-1] to
[CRTC:7]
[ 111.288777] [drm:drm_framebuffer_reference] ffff880234cf39c0: FB ID: 40 (3)
[ 111.288778] [drm:drm_framebuffer_unreference] ffff880234cf39c0: FB ID: 40
(4)
[ 111.288778] [drm:intel_crtc_set_config] [CRTC:15] [NOFB]
[ 111.288780] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:15], mode_changed=0, fb_changed=0
[ 111.288781] [drm:intel_modeset_stage_output_state] [CONNECTOR:18:eDP-1] to
[CRTC:7]
[ 111.288782] [drm:drm_framebuffer_reference] ffff880234cf39c0: FB ID: 40 (3)
[ 111.288783] [drm:drm_framebuffer_unreference] ffff880234cf39c0: FB ID: 40
(4)
[ 111.294820] [drm:drm_ioctl] pid=3778, dev=0xe200, auth=1,
DRM_IOCTL_DROP_MASTER</pre>
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