[Bug 209071] New: Nouveau dual monitor setup: After unlock xscreensaver, VGA-1 remains black

[Bug 209071] New: Nouveau dual monitor setup: After unlock xscreensaver, VGA-1 remains black

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=209071

            Bug ID: 209071
           Summary: Nouveau dual monitor setup: After unlock xscreensaver,
                    VGA-1 remains black
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.8.3-arch1-1
          Hardware: Intel
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: megia.oscar@gmail.com
        Regression: No

Created attachment 292209
  --> https://bugzilla.kernel.org/attachment.cgi?id=292209&action=edit
output from lshw

I have archlinux upgraded system last sunday.

Today after unlock xscreensaver on OpenBox, the screen connected to VGA-1 port
remained black. I need to switch off and switch on mypc to make work it.

The is the log from journalctl:

ago 29 15:13:17 mypc kernel: ------------[ cut here ]------------
ago 29 15:13:17 mypc kernel: NETDEV WATCHDOG: enp3s0 (r8169): transmit queue 0
timed out
ago 29 15:13:17 mypc kernel: WARNING: CPU: 1 PID: 0 at
net/sched/sch_generic.c:442 dev_watchdog+0x26d/0x280
ago 29 15:13:17 mypc kernel: Modules linked in: snd_seq_dummy snd_hrtimer
snd_seq snd_seq_device fuse rfkill squashfs loop nouveau snd_hda_codec_analog
snd_hda_codec_generic pktcdvd ledtrig_audio iTCO_wdt snd_hda_codec_hdmi mxm_wmi
intel_pmc_bxt ppdev mousedev wmi i2c_algo_bit gpio_ich iTCO_vendor_support
snd_hda_intel ttm snd_intel_dspcfg snd_hda_codec drm_kms_helper snd_hda_core
input_leds cec r8169 snd_hwdep snd_pcm rc_core snd_timer syscopyarea snd
sysfillrect sysimgblt fb_sys_fops realtek soundcore evdev libphy parport_pc
mac_hid parport asus_atk0110 intel_agp lpc_ich i2c_i801 intel_gtt i2c_smbus
acpi_cpufreq drm sg agpgart crypto_user ip_tables x_tables ext4 crc32c_generic
crc16 mbcache jbd2 uas usb_storage hid_generic usbhid hid sr_mod cdrom
ata_generic pata_acpi dm_mod serio_raw atkbd libps2 uhci_hcd pata_jmicron
ehci_pci ehci_hcd i8042 serio
ago 29 15:13:17 mypc kernel: CPU: 1 PID: 0 Comm: swapper/1 Not tainted
5.8.3-arch1-1 #1
ago 29 15:13:17 mypc kernel: Hardware name: System manufacturer System Product
Name/P5B, BIOS 2104    03/09/2009
ago 29 15:13:17 mypc kernel: RIP: 0010:dev_watchdog+0x26d/0x280
ago 29 15:13:17 mypc kernel: Code: d8 9b 75 ff eb 85 4c 89 f7 c6 05 b3 df 08 01
01 e8 e8 c7 fa ff 44 89 e9 4c 89 f6 48 c7 c7 70 4a a1 89 48 89 c2 e8 39 76 7e
ff <0f> 0b e9 63 ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 0f 1f 44
ago 29 15:13:17 mypc kernel: RSP: 0018:ffffb332400ece90 EFLAGS: 00010286
ago 29 15:13:17 mypc kernel: RAX: 0000000000000000 RBX: ffff9e51f485ac00 RCX:
0000000000000000
ago 29 15:13:17 mypc kernel: RDX: 0000000000000103 RSI: ffffffff8996a47f RDI:
00000000ffffffff
ago 29 15:13:17 mypc kernel: RBP: ffff9e51f51d23dc R08: 0000000000000433 R09:
0000000000000003
ago 29 15:13:17 mypc kernel: R10: 0000000000000000 R11: 0000000000000001 R12:
ffff9e51f51d2480
ago 29 15:13:17 mypc kernel: R13: 0000000000000000 R14: ffff9e51f51d2000 R15:
ffff9e51f485ac80
ago 29 15:13:17 mypc kernel: FS:  0000000000000000(0000)
GS:ffff9e51f7c80000(0000) knlGS:0000000000000000
ago 29 15:13:17 mypc kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
ago 29 15:13:17 mypc kernel: CR2: 00007f2a199ab28c CR3: 00000001b2a2a000 CR4:
00000000000006e0
ago 29 15:13:17 mypc kernel: Call Trace:
ago 29 15:13:17 mypc kernel:  <IRQ>
ago 29 15:13:17 mypc kernel:  ? pfifo_fast_init+0x110/0x110
ago 29 15:13:17 mypc kernel:  ? pfifo_fast_init+0x110/0x110
ago 29 15:13:17 mypc kernel:  call_timer_fn+0x2d/0x160
ago 29 15:13:17 mypc kernel:  ? pfifo_fast_init+0x110/0x110
ago 29 15:13:17 mypc kernel:  __run_timers+0x193/0x290
ago 29 15:13:17 mypc kernel:  run_timer_softirq+0x2b/0x50
ago 29 15:13:17 mypc kernel:  __do_softirq+0xff/0x340
ago 29 15:13:17 mypc kernel:  asm_call_on_stack+0x12/0x20
ago 29 15:13:17 mypc kernel:  </IRQ>
ago 29 15:13:17 mypc kernel:  do_softirq_own_stack+0x5f/0x80
ago 29 15:13:17 mypc kernel:  irq_exit_rcu+0xcb/0x120
ago 29 15:13:17 mypc kernel:  sysvec_apic_timer_interrupt+0x46/0xe0
ago 29 15:13:17 mypc kernel:  asm_sysvec_apic_timer_interrupt+0x12/0x20
ago 29 15:13:17 mypc kernel: RIP: 0010:native_safe_halt+0xe/0x10
ago 29 15:13:17 mypc kernel: Code: f0 80 48 02 20 48 8b 00 a8 08 75 c3 e9 7a ff
ff ff cc cc cc cc cc cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 86 da 5f 00 fb
f4 <c3> 90 e9 07 00 00 00 0f 00 2d 76 da 5f 00 f4 c3 cc cc 0f 1f 44 00
ago 29 15:13:17 mypc kernel: RSP: 0018:ffffb33240097e20 EFLAGS: 00000246
ago 29 15:13:17 mypc kernel: RAX: 0000000000004000 RBX: 0000000000000001 RCX:
000000000000001f
ago 29 15:13:17 mypc kernel: RDX: 4ec4ec4ec4ec4ec5 RSI: ffffffff89a04c55 RDI:
ffffffff8999c80e
ago 29 15:13:17 mypc kernel: RBP: ffff9e51f65b1c00 R08: 00001aee947ef30b R09:
0000000000000008
ago 29 15:13:17 mypc kernel: R10: 0000000000002a48 R11: 0000000000000009 R12:
ffff9e51f65b1c64
ago 29 15:13:17 mypc kernel: R13: 0000000000000001 R14: 0000000000000001 R15:
0000000000000000
ago 29 15:13:17 mypc kernel:  acpi_safe_halt+0x1b/0x30
ago 29 15:13:17 mypc kernel:  acpi_idle_enter+0x2b9/0x320
ago 29 15:13:17 mypc kernel:  cpuidle_enter_state+0x81/0x420
ago 29 15:13:17 mypc kernel:  cpuidle_enter+0x29/0x40
ago 29 15:13:17 mypc kernel:  do_idle+0x1fb/0x2c0
ago 29 15:13:17 mypc kernel:  cpu_startup_entry+0x19/0x20
ago 29 15:13:17 mypc kernel:  start_secondary+0x178/0x1c0
ago 29 15:13:17 mypc kernel:  secondary_startup_64+0xb6/0xc0
ago 29 15:13:17 mypc kernel: ---[ end trace 88955c3f67234b66 ]---

I use the video driver nouveau for my NVIDIA GeForce GT 710.

I attached the output from lshw.

If you need more information don't hesitate ask me for it.
Oscar

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[Bug 209071] Nouveau dual monitor setup: After unlock xscreensaver, VGA-1 remains black

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=209071

Ilia Mirkin (imirkin@alum.mit.edu) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |imirkin@alum.mit.edu

--- Comment #1 from Ilia Mirkin (imirkin@alum.mit.edu) ---
It appears that the error you pasted is some sort of hang which has nothing to
do with nouveau. What indication do you have that nouveau is involved in any
way with this issue?

What was the previous kernel version that worked fine?

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[Bug 209071] Nouveau dual monitor setup: After unlock xscreensaver, VGA-1 remains black

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=209071

--- Comment #2 from Oscar Megía (megia.oscar@gmail.com) ---
I'm not an expert, so I thought that the error by the time could be a issue in
video driver.

The last kernel was 5.8.1.arch1-1. It was upgraded last sunday.

I left mypc 2 hours unattended and when I typed the password in the monitor
that before remained black (I can see the password input window), now has the
same issue.

I searched on journalctl and I didn't see the same error. If fact I don't see
anyhing important.

I tried executing:

xrandr --auto --output VGA-1 --mode 1280x1024 --right-of DVI-D-1

and the desktop swap monitors, but the monitor black still remains black.

It could be a hardware error. How can I know if is a hardware error?

Regards
Oscar

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[Bug 209071] Nouveau dual monitor setup: After unlock xscreensaver, VGA-1 remains black

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=209071

Oscar Megía (megia.oscar@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #3 from Oscar Megía (megia.oscar@gmail.com) ---
After research I found the problem: The monitor is broken.

Today has happen again. I switched off my pc and after a while I switched it
on.

The monitor that fails switched on and after a second the screen switched
black, so I switch off my pc and disconnected the other monitor DVI-D-1 and
swiched on my pc. The monitor VGA-1 switched on one second during BIOS messages
and switched black.

I switched off my pc and disconnected the VGA-1 monitor and connected the
DVI-D-1 monitor by the VGA port and switched on my pc. Everything worked fine.

So I guess that my monitor VGA-1 is broken.

Sorry for disturbing you, but with the error message I though that could be an
issue in nouveau driver and reporting the bug could help them to solve it.

I close the bug as invalid.

Thanks for your support
Oscar

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