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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - connecting HDMI crashes kernel i915 (Dell XPS13 9350) Skylake, unable to get HDMI output with resolutions higher than 1440x900"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94567">94567</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>connecting HDMI crashes kernel i915 (Dell XPS13 9350) Skylake, unable to get HDMI output with resolutions higher than 1440x900
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</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>critical
</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>kdebugs@staznosti.sk
</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>
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<div>
<pre>Resolutions higher than 1440x900 don't work, anything lower usually works,
although some lower 4:3 resolutions don't work.
Can not get 1920x1080 working, only 1920x1080i will work, anything else above
1440x900 fails, even 1600x1200 not working or 1600x900 not working.
Dell XP13 9350 with Skylake
Kernel: 4.5.0-040500-generic x86_64 (64 bit)
Distro: Ubuntu 15.10 wily
Machine: System: Dell product: XPS 13 9350
Mobo: Dell model: 0VM5NC v: A01 Bios: Dell v: 1.2.3 date: 01/08/2016
CPU: Dual core Intel Core i7-6500U (-HT-MCP-) speed/max: 490/3100 MHz
Graphics: Card: Intel Skylake Integrated Graphics
Display Server: X.Org 1.17.2 drivers: intel (unloaded: fbdev,vesa)
Resolution: <a href="mailto:1440x900@59.90hz">1440x900@59.90hz</a>
GLX Renderer: Mesa DRI Intel Skylake ULT GT2 GLX Version: 3.0 Mesa
11.0.2
dmesg log:
[ 608.719410] ------------[ cut here ]------------
[ 608.719502] WARNING: CPU: 0 PID: 908 at
/home/kernel/COD/linux/drivers/gpu/drm/i915/intel_pm.c:3553
skl_update_other_pipe_wm+0x16c/0x180 [i915]()
[ 608.719509] WARN_ON(!wm_changed)
[ 608.719514] Modules linked in:
[ 608.719520] rfcomm drbg ansi_cprng bnep snd_hda_codec_hdmi dell_laptop
dcdbas i2c_designware_platform dell_wmi i2c_designware_core sparse_keymap
dell_led nls_iso8859_1 snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc
snd_soc_sst_dsp snd_hda_ext_core snd_soc_sst_match snd_soc_core cdc_ether
snd_compress usbnet ac97_bus snd_hda_codec_realtek r8152 snd_hda_codec_generic
snd_pcm_dmaengine mii intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp
kvm_intel dw_dmac_core kvm snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep
irqbypass crct10dif_pclmul crc32_pclmul snd_pcm brcmfmac ghash_clmulni_intel
aesni_intel brcmutil snd_seq_midi snd_seq_midi_event aes_x86_64 cfg80211 lrw
snd_rawmidi rtsx_pci_ms memstick gf128mul snd_seq glue_helper ablk_helper
cryptd snd_seq_device snd_timer uvcvideo input_leds joydev
[ 608.719633] videobuf2_vmalloc videobuf2_memops serio_raw videobuf2_v4l2
videobuf2_core snd videodev hid_multitouch btusb btrtl media soundcore shpchp
mei_me idma64 virt_dma mei processor_thermal_device intel_lpss_pci
intel_soc_dts_iosf hci_uart btbcm btqca btintel bluetooth int3400_thermal
intel_lpss_acpi acpi_thermal_rel intel_lpss acpi_als int3403_thermal
int340x_thermal_zone kfifo_buf acpi_pad mac_hid industrialio parport_pc ppdev
lp parport autofs4 hid_generic usbhid rtsx_pci_sdmmc i915 psmouse nvme
i2c_algo_bit rtsx_pci drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops ahci drm libahci wmi i2c_hid hid pinctrl_sunrisepoint video
pinctrl_intel fjes
[ 608.719755] CPU: 0 PID: 908 Comm: Xorg Tainted: G U W
4.5.0-040500-generic #201603140130
[ 608.719760] Hardware name: Dell Inc. XPS 13 9350/0VM5NC, BIOS 1.2.3
01/08/2016
[ 608.719766] 0000000000000286 0000000033c25cd0 ffff88046d1239a8
ffffffff813e0233
[ 608.719777] ffff88046d1239f0 ffffffffc027b838 ffff88046d1239e0
ffffffff81080e72
[ 608.719785] ffff880075f2e000 ffff880467789bd4 ffff880075f2d000
ffff880467f5cba8
[ 608.719794] Call Trace:
[ 608.719810] [<ffffffff813e0233>] dump_stack+0x63/0x90
[ 608.719823] [<ffffffff81080e72>] warn_slowpath_common+0x82/0xc0
[ 608.719832] [<ffffffff81080f0c>] warn_slowpath_fmt+0x5c/0x80
[ 608.719905] [<ffffffffc01b366c>] skl_update_other_pipe_wm+0x16c/0x180
[i915]
[ 608.719968] [<ffffffffc01b3805>] skl_update_wm+0x185/0x640 [i915]
[ 608.720062] [<ffffffffc023ad00>] ? intel_ddi_post_disable+0x120/0x1e0
[i915]
[ 608.720072] [<ffffffff818213f2>] ? mutex_lock+0x12/0x30
[ 608.720161] [<ffffffffc022a455>] ? intel_fbc_disable_crtc+0x45/0xb0 [i915]
[ 608.720222] [<ffffffffc01b71de>] intel_update_watermarks+0x1e/0x30 [i915]
[ 608.720309] [<ffffffffc021e41c>] intel_atomic_commit+0x3dc/0xb30 [i915]
[ 608.720378] [<ffffffffc00b8761>] ? drm_atomic_check_only+0x181/0x600 [drm]
[ 608.720435] [<ffffffffc00b7f7f>] ?
drm_atomic_set_crtc_for_connector+0x2f/0xe0 [drm]
[ 608.720487] [<ffffffffc00b8c17>] drm_atomic_commit+0x37/0x60 [drm]
[ 608.720517] [<ffffffffc0120bb6>] drm_atomic_helper_set_config+0x76/0xb0
[drm_kms_helper]
[ 608.720569] [<ffffffffc00b789a>] ? drm_modeset_lock_all_ctx+0x9a/0xb0 [drm]
[ 608.720621] [<ffffffffc00a7c32>] drm_mode_set_config_internal+0x62/0x100
[drm]
[ 608.720672] [<ffffffffc00ac5b0>] drm_mode_setcrtc+0x3e0/0x500 [drm]
[ 608.720710] [<ffffffffc009d812>] drm_ioctl+0x152/0x540 [drm]
[ 608.720756] [<ffffffffc00ac1d0>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
[ 608.720771] [<ffffffff81214707>] ? __vfs_write+0x37/0x120
[ 608.720781] [<ffffffff81228bd1>] do_vfs_ioctl+0xa1/0x5b0
[ 608.720789] [<ffffffff812178e1>] ? __sb_end_write+0x21/0x30
[ 608.720799] [<ffffffff812150ed>] ? vfs_write+0x15d/0x1a0
[ 608.720807] [<ffffffff81229159>] SyS_ioctl+0x79/0x90
[ 608.720815] [<ffffffff8122b2b1>] ? SyS_poll+0x71/0x130
[ 608.720826] [<ffffffff818235f6>] entry_SYSCALL_64_fastpath+0x16/0x75
[ 608.720832] ---[ end trace 90a1d475b0fe2a37 ]---</pre>
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