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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - X crashes when display port is connected on hp 840 g3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95060">95060</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>X crashes when display port is connected on hp 840 g3
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>yoshi314@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>When booting the system with display port plugged in, i either get a boot time
crash, or X locks up (no reaction to input, but i can ssh in).
This is the log from the latter situation
[ 267.077299] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 267.077342] IP: [< (null)>] (null)
[ 267.077364] PGD 222c2d067 PUD 223a5b067 PMD 0
[ 267.077387] Oops: 0010 [#1] SMP
[ 267.077404] Modules linked in: msr snd_hda_codec_hdmi snd_hda_codec_conexant
snd_hda_codec_generic arc4 iwlmvm i915 mac80211 btusb btrtl btbcm iwlwifi
btintel bluetooth drm_kms_helper x86_pkg_temp_thermal coretemp kvm_intel drm
kvm squashfs snd_hda_intel snd_hda_codec cfg80211 snd_hwdep snd_hda_core
snd_pcm irqbypass crct10dif_pclmul e1000e crc32_pclmul crc32c_intel
ghash_clmulni_intel pcspkr serio_raw snd_timer idma64 syscopyarea snd video
virt_dma sysfillrect intel_lpss_pci sysimgblt intel_lpss_acpi intel_hid
intel_lpss fb_sys_fops mfd_core tpm_infineon sparse_keymap soundcore rfkill
i2c_i801 efivarfs dm_zero dm_thin_pool dm_persistent_data dm_bio_prison
dm_service_time dm_round_robin dm_queue_length dm_multipath dm_log_userspace
dm_flakey dm_delay aesni_intel cbc sha256_generic scsi_transport_iscsi
[ 267.077831] virtio_net virtio_ring virtio tg3 libphy sky2 r8169 pcnet32 mii
igb ptp pps_core i2c_algo_bit i2c_core dca e1000 bnx2 atl1c fuse nfs lockd
grace sunrpc fscache jfs linear raid10 raid1 raid0 dm_raid raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx dm_snapshot dm_bufio
dm_crypt dm_mirror dm_region_hash dm_log dm_mod firewire_core crc_itu_t
xhci_pci xhci_hcd usb_storage sx8 cciss sr_mod cdrom sg sd_mod ahci libahci
[ 267.078110] CPU: 0 PID: 5418 Comm: X Tainted: G U W 4.5.1-gentoo
#3
[ 267.078143] Hardware name: HP HP EliteBook 840 G3/8079, BIOS N75 Ver. 01.04
01/31/2016
[ 267.078177] task: ffff88022317d000 ti: ffff880223dbc000 task.ti:
ffff880223dbc000
[ 267.078208] RIP: 0010:[<0000000000000000>] [< (null)>]
(null)
[ 267.078241] RSP: 0018:ffff880223dbfb70 EFLAGS: 00010286
[ 267.078263] RAX: ffff880223dbfc30 RBX: ffff880221477100 RCX:
00000000fffff0a7
[ 267.078284] RDX: 00000000fffff0a7 RSI: ffff8802230c2078 RDI:
ffff88007eedb700
[ 267.078301] RBP: ffff880223dbfbf0 R08: ffff88022028f458 R09:
00000000000000a0
[ 267.078318] R10: 00003fffffe00000 R11: ffff88007eedb700 R12:
0000000000000001
[ 267.078337] R13: ffff8802230c4528 R14: ffff8802230c2078 R15:
0000000000000000
[ 267.078372] FS: 00007fb067aa19c0(0000) GS:ffff88022f400000(0000)
knlGS:0000000000000000
[ 267.078390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 267.078403] CR2: 0000000000000000 CR3: 0000000220537000 CR4:
00000000003406f0
[ 267.078419] Stack:
[ 267.078432] ffffffffa094ed6f 0000000000000000 ffff8802230c207c
fffff0a723086b80
[ 267.078468] ffff880223dbfc30 ffff8802213fa700 ffff880221477100
ffff8802230c4538
[ 267.078488] ffff880223dbfbf0 ffffffffa095eb27 ffff880223dbfbf8
0000000000000000
[ 267.078508] Call Trace:
[ 267.078535] [<ffffffffa094ed6f>] ? i915_gem_object_sync+0x17f/0x2f0 [i915]
[ 267.078570] [<ffffffffa095eb27>] ? intel_lr_context_do_pin.isra.6+0x77/0xf0
[i915]
[ 267.078606] [<ffffffffa096012c>] intel_execlists_submission+0x1ac/0x3f0
[i915]
[ 267.078634] [<ffffffffa094204c>] i915_gem_do_execbuffer.isra.13+0xc7c/0xdd0
[i915]
[ 267.078662] [<ffffffffa0942e07>] i915_gem_execbuffer2+0xd7/0x250 [i915]
[ 267.078689] [<ffffffffa094f9c2>] ? i915_gem_busy_ioctl+0x92/0xe0 [i915]
[ 267.078713] [<ffffffffa070a612>] drm_ioctl+0x152/0x540 [drm]
[ 267.078737] [<ffffffffa0942d30>] ? i915_gem_execbuffer+0x320/0x320 [i915]
[ 267.078755] [<ffffffff81425a83>] ? selinux_file_ioctl+0x113/0x1f0
[ 267.078770] [<ffffffff811d1142>] do_vfs_ioctl+0x92/0x580
[ 267.078783] [<ffffffff8141adb3>] ? security_file_ioctl+0x43/0x60
[ 267.078798] [<ffffffff811d16a9>] SyS_ioctl+0x79/0x90
[ 267.078811] [<ffffffff817ec1db>] entry_SYSCALL_64_fastpath+0x16/0x6e
[ 267.078825] Code: Bad RIP value.
[ 267.078838] RIP [< (null)>] (null)
[ 267.078851] RSP <ffff880223dbfb70>
[ 267.078859] CR2: 0000000000000000
[ 267.084838] ---[ end trace 3979714f1ad70e83 ]---
kernel is marked as tainted, possibly due to experiments with i915.semaphores=1
i915.fastboot=1 . I can try other boot options on demand.</pre>
</div>
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