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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - BUG: unable to handle kernel paging request in reservation_object_wait_timeout_rcu"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93267">93267</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>BUG: unable to handle kernel paging request in reservation_object_wait_timeout_rcu
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/nouveau
</td>
</tr>
<tr>
<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>marcin.slusarz@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr></table>
<p>
<div>
<pre>BUG: unable to handle kernel paging request at ffffc9000327f018
IP: [<ffffffff81533a4d>] reservation_object_wait_timeout_rcu+0x31d/0x510
PGD 13a8a1067 PUD 13a8a2067 PMD 31d16067 PTE 0
Oops: 0000 [#1] PREEMPT SMP
Modules linked in: drbg ctr ccm rfcomm bnep binfmt_misc arc4 iwldvm mac80211
iwlwifi uvcvideo cfg80211 snd_hda_codec_hdmi rtsx_usb snd_hda_codec_idt
snd_hda_codec_generic btusb videobuf2_vmalloc snd_hda_intel btrtl snd_hda_codec
btbcm videobuf2_memops btintel bluetooth videobuf2_v4l2 videobuf2_core
v4l2_common snd_hwdep videodev snd_hda_core snd_pcm dell_wmi dell_laptop
sparse_keymap dcdbas snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq
x86_pkg_temp_thermal serio_raw coretemp snd_timer snd_seq_device snd soundcore
lpc_ich parport_pc ppdev lp parport hid_generic nouveau ahci psmouse i915
libahci mxm_wmi ttm i2c_algo_bit drm_kms_helper usbhid syscopyarea hid
sysfillrect sysimgblt fb_sys_fops drm wmi video
CPU: 1 PID: 976 Comm: Xorg Not tainted 4.4.0-rc3 #60
Hardware name: Dell Inc. Inspiron 7720/04M3YM, BIOS A07 08/16/2012
task: ffff880032b2a540 ti: ffff8801346c4000 task.ti: ffff8801346c4000
RIP: 0010:[<ffffffff81533a4d>] [<ffffffff81533a4d>]
reservation_object_wait_timeout_rcu+0x31d/0x510
RSP: 0018:ffff8801346c7ce8 EFLAGS: 00010246
RAX: ffffc9000327f000 RBX: ffff88011e6b0300 RCX: 000000000327d000
RDX: 000000000327d000 RSI: 0000000000000000 RDI: ffffffff81c5efc0
RBP: ffff8801346c7d30 R08: 0000000000000000 R09: 0000000000000000
R10: ffff880032b2a540 R11: 0000000000000000 R12: ffff880032c99d58
R13: 0000000000000000 R14: 0000000000001d4c R15: ffff8800330009b8
FS: 00007f9271ca1980(0000) GS:ffff88013f240000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000327f018 CR3: 0000000135f80000 CR4: 00000000001406e0
Stack:
ffffffff815337cd 00000001817432f1 ffff880033000a50 00000002016c7d30
00000000fffffff0 0000000000000000 ffff880033000800 ffff880033000bf0
ffffffffa03cd4f0 ffff8801346c7d68 ffffffffa035dced ffffffffa035dd23
Call Trace:
[<ffffffff815337cd>] ? reservation_object_wait_timeout_rcu+0x9d/0x510
[<ffffffffa035dced>] nouveau_gem_ioctl_cpu_prep+0x6d/0x160 [nouveau]
[<ffffffffa035dd23>] ? nouveau_gem_ioctl_cpu_prep+0xa3/0x160 [nouveau]
[<ffffffffa0072a2b>] drm_ioctl+0x14b/0x530 [drm]
[<ffffffffa035dc80>] ? nouveau_gem_ioctl_pushbuf+0xce0/0xce0 [nouveau]
[<ffffffff814e98a0>] ? rpm_resume+0xf0/0x7b0
[<ffffffff814e9fad>] ? __pm_runtime_resume+0x4d/0x60
[<ffffffff8110848d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff81743392>] ? _raw_spin_unlock_irqrestore+0x42/0x70
[<ffffffffa0354777>] nouveau_drm_ioctl+0x67/0xc0 [nouveau]
[<ffffffff8124aa11>] do_vfs_ioctl+0x301/0x550
[<ffffffff812566aa>] ? __fget_light+0x2a/0x90
[<ffffffff8124acd9>] SyS_ioctl+0x79/0x90
[<ffffffff81743c5b>] entry_SYSCALL_64_fastpath+0x16/0x73
Code: fe ff ff 48 c7 c2 18 f1 a2 81 be 92 03 00 00 48 c7 c7 f5 eb a2 81 c6 05
50 65 7f 00 01 e8 ec 30 bd ff e9 2a fe ff ff 48 8b 43 08 <48> 8b 40 18 48 85 c0
0f 84 03 fe ff ff 48 89 df ff d0 84 c0 0f
RIP [<ffffffff81533a4d>] reservation_object_wait_timeout_rcu+0x31d/0x510
RSP <ffff8801346c7ce8>
CR2: ffffc9000327f018
---[ end trace 4f0c12fc10089ab5 ]---
For some reason it's easy to reproduce using Warsow 2.0 - I had hit it twice in
the main menu.</pre>
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