[Bug 90704] Desktop will black when sliding mouse in touchpad after switching tty in my skylake machine

[Bug 90704] Desktop will black when sliding mouse in touchpad after switching tty in my skylake machine

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=90704

            Bug ID: 90704
           Summary: Desktop will black when sliding mouse in touchpad
                    after switching tty in my  skylake machine
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: General
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: vivianhu@linpus.com

Created attachment 116112
  --> https://bugs.freedesktop.org/attachment.cgi?id=116112&action=edit
video:cycle between black and normal

Environment:
-----------------------------------
Platform:SKL
Libdrm:libdrm-2.4.61
Mesa:10.6.0-rc2
Xserver:xorg-server-1.17.1
Xf86_video_intel:2.99.917
Cairo:1.14.2
Libva:1.5.1
Kernel:4.1-rc5

Machine info:
---------------------------------------------
[root@localhost ~]# lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation Sky Lake Host Bridge/DRAM
Registers [8086:1904] (rev 03)
00:02.0 VGA compatible controller [0300]: Intel Corporation Sky Lake Integrated
Graphics [8086:1916] (rev 02)
00:08.0 System peripheral [0880]: Intel Corporation Sky Lake Gaussian Mixture
Model [8086:1911]
00:14.0 USB controller [0c03]: Intel Corporation Device [8086:9d2f] (rev 10)
00:14.2 Signal processing controller [1180]: Intel Corporation Device
[8086:9d31] (rev 10)
00:16.0 Communication controller [0780]: Intel Corporation Device [8086:9d3a]
(rev 10)
00:17.0 SATA controller [0106]: Intel Corporation Device [8086:9d03] (rev 10)
00:1c.0 PCI bridge [0604]: Intel Corporation Device [8086:9d14] (rev f0)
00:1d.0 PCI bridge [0604]: Intel Corporation Device [8086:9d18] (rev f0)
00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:9d48] (rev 10)
00:1f.2 Memory controller [0580]: Intel Corporation Device [8086:9d21] (rev 10)
00:1f.3 Audio device [0403]: Intel Corporation Device [8086:9d70] (rev 10)
00:1f.4 SMBus [0c05]: Intel Corporation Device [8086:9d23] (rev 10)
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
02:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Sun
XT [Radeon HD 8670A/8670M/8690M / R5 M330] [1002:6660] (rev 83)

Reproduce steps
---------------------------- 
1. poweron and enter to linux os,for example, fedora 22.
2. press ctrl+alt+F3, switching to tty3.
3. press ctrl+alt+F1, switching back to desktop, then you will see the desktop
is black.
4. slide in touchpad, the desktop will show normally again.
5. slide in touchpad again, the desktop will black again.
6. The desktop will cycle between black and normal when sliding mouse in
touchpad continually, please refer to the attached video.

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[Bug 90704] Desktop will black when sliding mouse in touchpad after switching tty in my skylake machine

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https://bugs.freedesktop.org/show_bug.cgi?id=90704

--- Comment #1 from vivianhu <vivianhu@linpus.com> ---
Our schedule is very urgent, so can anyone can help me and point out a way to
solve it?

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[Bug 90704] Desktop will black when sliding mouse in touchpad after switching tty in my skylake machine

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=90704

Jani Nikula <jani.nikula@intel.com> changed:

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

--- Comment #2 from Jani Nikula <jani.nikula@intel.com> ---
(In reply to vivianhu from comment #1)
> Our schedule is very urgent, so can anyone can help me and point out a way
> to solve it?

Please raise any priority issues with your regular customer support channels.
Otherwise, this bug is just one among many others.

Please ensure you have either i915.preliminary_hw_support=1 module parameter
set or CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT=y kernel config option set.

Please attach dmesg from boot with drm.debug=14 module parameter set,
exhibiting the problem.

Please try drm-intel-nightly branch of http://cgit.freedesktop.org/drm-intel

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[Bug 90704] Desktop will black when sliding mouse in touchpad after switching tty in my skylake machine

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https://bugs.freedesktop.org/show_bug.cgi?id=90704

Jani Nikula <jani.nikula@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #116112|text/plain                  |video/mp4
          mime type|                            |

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[Bug 90704] Desktop will black when sliding mouse in touchpad after switching tty in my skylake machine

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https://bugs.freedesktop.org/show_bug.cgi?id=90704

--- Comment #3 from vivianhu <vivianhu@linpus.com> ---
Hi jani, thanks for your support, this problem has solved when we use
drm-intel-nightly branch. Does it will be merged to kernel4.1 mainline and
when?

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[Bug 90704] Desktop will black when sliding mouse in touchpad after switching tty in my skylake machine

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https://bugs.freedesktop.org/show_bug.cgi?id=90704

Jani Nikula <jani.nikula@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Jani Nikula <jani.nikula@intel.com> ---
(In reply to vivianhu from comment #3)
> Hi jani, thanks for your support, this problem has solved when we use
> drm-intel-nightly branch. Does it will be merged to kernel4.1 mainline and
> when?

Skylake support in v4.1 is preliminary, and we are not backporting fixes to
kernels with preliminary platform support. There are features missing and/or
broken, backporting fixes is not first priority.

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[Bug 90704] Desktop will black when sliding mouse in touchpad after switching tty in my skylake machine

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https://bugs.freedesktop.org/show_bug.cgi?id=90704

--- Comment #5 from Jani Nikula <jani.nikula@intel.com> ---
Moreover, in this case we don't even know what the bug is, whether it's
specifically in our driver or somewhere else, or how involved or invasive the
backport would be. Later -rc development versions and stable kernels have
pretty strict rules about what can be backported.

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[Bug 90704] Desktop will black when sliding mouse in touchpad after switching tty in my skylake machine

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https://bugs.freedesktop.org/show_bug.cgi?id=90704

--- Comment #6 from vivianhu <vivianhu@linpus.com> ---
Created attachment 116279
  --> https://bugs.freedesktop.org/attachment.cgi?id=116279&action=edit
dmesg

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[Bug 90704] Desktop will black when sliding mouse in touchpad after switching tty in my skylake machine

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https://bugs.freedesktop.org/show_bug.cgi?id=90704

--- Comment #7 from vivianhu <vivianhu@linpus.com> ---
Hi jani, sorry to trouble you. ^-^ But we meet a new problem when we use
drm-intel-nightly branch,it will report an error and many crash info in dmesg,
please refer to attachment.
What is i915/skl_dmc_ver4.bin and where to get it? And Does it will cause any
problem if skl_dmc_ver4.bin is not loaded?  what is the cut info?


for example:
[    5.076518] i915 0000:00:02.0: Direct firmware load for
i915/skl_dmc_ver4.bin failed with error -2
[    5.076562] [drm:i915_firmware_load_error_print [i915]] *ERROR* failed to
load firmware i915/skl_dmc_ver4.bin (0)

------------[ cut here ]------------
[    6.127802] WARNING: CPU: 0 PID: 92 at drivers/gpu/drm/i915/intel_csr.c:462
assert_csr_loaded+0xa7/0x100 [i915]()
[    6.127803] CSR is not loaded.
[    6.127811] Modules linked in: i915(+) i2c_algo_bit video drm_kms_helper drm
i2c_core
[    6.127816] CPU: 0 PID: 92 Comm: kworker/u16:3 Not tainted
4.1.0-50.5.1.lp22.x86_64 #1
[    6.127818] Hardware name: LENOVO INVALID/VIUU4, BIOS D5CN07WW(T006)
02/11/2015
[    6.127826] Workqueue: events_unbound async_run_entry_fn
[    6.127831]  ffffffffa0186ff8 ffff88026f6ef738 ffffffff8176889d
0000000008ae08ae
[    6.127835]  ffff88026f6ef788 ffff88026f6ef778 ffffffff8107c32a
ffff88026f6ef768
[    6.127838]  ffff88026f180000 ffff88026f1802b0 0000000000000002
000000003000000f
[    6.127839] Call Trace:
[    6.127848]  [<ffffffff8176889d>] dump_stack+0x45/0x57
[    6.127853]  [<ffffffff8107c32a>] warn_slowpath_common+0x8a/0xc0
[    6.127857]  [<ffffffff8107c3a6>] warn_slowpath_fmt+0x46/0x50
[    6.127921]  [<ffffffffa01106be>] ? gen9_read32+0x6e/0x2f0 [i915]
[    6.127971]  [<ffffffffa00cf1d7>] assert_csr_loaded+0xa7/0x100 [i915]
[    6.128015]  [<ffffffffa00cddb3>] skl_set_power_well+0x743/0xac0 [i915]
[    6.128057]  [<ffffffffa00ce163>] skl_power_well_enable+0x13/0x20 [i915]
[    6.128099]  [<ffffffffa00ce426>] intel_display_power_get+0xa6/0x100 [i915]
[    6.128169]  [<ffffffffa015e77c>] intel_hdmi_set_edid+0x3c/0x100 [i915]
[    6.128236]  [<ffffffffa015e935>] intel_hdmi_detect+0x55/0xb0 [i915]
[    6.128246]  [<ffffffffa0083c90>]
drm_helper_probe_single_connector_modes_merge_bits+0x300/0x4c0 [drm_kms_helper]
[    6.128255]  [<ffffffffa0083e63>]
drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
[    6.128266]  [<ffffffffa008dde0>]
drm_fb_helper_probe_connector_modes.isra.3+0x50/0x70 [drm_kms_helper]
[    6.128277]  [<ffffffffa008ef5e>] drm_fb_helper_hotplug_event+0x5e/0xe0
[drm_kms_helper]
[    6.128287]  [<ffffffffa008f02c>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x4c/0x80 [drm_kms_helper]
[    6.128295]  [<ffffffffa008f082>] drm_fb_helper_set_par+0x22/0x50
[drm_kms_helper]
[    6.128359]  [<ffffffffa014350a>] intel_fbdev_set_par+0x1a/0x60 [i915]
[    6.128364]  [<ffffffff81460044>] fbcon_init+0x4f4/0x580
[    6.128369]  [<ffffffff814c679c>] visual_init+0xbc/0x120
[    6.128373]  [<ffffffff814c8dd3>] do_bind_con_driver+0x163/0x330
[    6.128378]  [<ffffffff814c92dc>] do_take_over_console+0x11c/0x1c0
[    6.128384]  [<ffffffff8145b1c3>] do_fbcon_takeover+0x63/0xd0
[    6.128387]  [<ffffffff81460aed>] fbcon_event_notify+0x68d/0x7e0
[    6.128394]  [<ffffffff81099e8e>] notifier_call_chain+0x4e/0x80
[    6.128399]  [<ffffffff8109a1ed>] __blocking_notifier_call_chain+0x4d/0x70
[    6.128402]  [<ffffffff810c3c86>] ? pm_vt_switch_required+0x76/0xa0
[    6.128408]  [<ffffffff8109a226>] blocking_notifier_call_chain+0x16/0x20
[    6.128413]  [<ffffffff814668cb>] fb_notifier_call_chain+0x1b/0x20
[    6.128417]  [<ffffffff81468946>] register_framebuffer+0x1e6/0x320
[    6.128429]  [<ffffffffa008f324>] drm_fb_helper_initial_config+0x274/0x3d0
[drm_kms_helper]
[    6.128492]  [<ffffffffa014471b>] intel_fbdev_initial_config+0x1b/0x20
[i915]
[    6.128496]  [<ffffffff8109baaa>] async_run_entry_fn+0x4a/0x140
[    6.128500]  [<ffffffff81093622>] process_one_work+0x142/0x3f0
[    6.128503]  [<ffffffff810939eb>] worker_thread+0x11b/0x460
[    6.128507]  [<ffffffff810938d0>] ? process_one_work+0x3f0/0x3f0
[    6.128512]  [<ffffffff81098fb2>] kthread+0xd2/0xf0
[    6.128517]  [<ffffffff81098ee0>] ? kthread_create_on_node+0x170/0x170
[    6.128522]  [<ffffffff81770012>] ret_from_fork+0x42/0x70
[    6.128526]  [<ffffffff81098ee0>] ? kthread_create_on_node+0x170/0x170
[    6.128529] ---[ end trace d595c73cdcde54bc ]---

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[Bug 90704] Desktop will black when sliding mouse in touchpad after switching tty in my skylake machine

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https://bugs.freedesktop.org/show_bug.cgi?id=90704

--- Comment #8 from Jani Nikula <jani.nikula@intel.com> ---
(In reply to vivianhu from comment #7)
> Hi jani, sorry to trouble you. ^-^ But we meet a new problem when we use
> drm-intel-nightly branch,it will report an error and many crash info in
> dmesg, please refer to attachment.
> What is i915/skl_dmc_ver4.bin and where to get it? And Does it will cause
> any problem if skl_dmc_ver4.bin is not loaded?  what is the cut info?

One bug per report please, file new ones for new bugs.

You need the firmware. You can get it from
https://01.org/linuxgraphics/downloads. Hopefully it will be included in
linux-firmware sometime soon.

There's been some back and forth between the naming, see e.g.
http://mid.gmane.org/1433375419-13266-1-git-send-email-rodrigo.vivi@intel.com,
I'm not sure which name is currently used in the download page.

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