[Bug 99482] New: nouveau driver returns -16 trying to hibernate

[Bug 99482] New: nouveau driver returns -16 trying to hibernate

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=99482

            Bug ID: 99482
           Summary: nouveau driver returns -16 trying to hibernate
           Product: xorg
           Version: 7.7 (2012.06)
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: brian-SquOHqY54CVWr29BmMi2cA@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

I am running Fedora 25 with kernel 4.8.15-300.fc25.x86_64.  I don't actually
actively use the nouveau driver as my machine has an Intel/Nvidia hybrid so I
use the Intel driver for X.  But even when I do that, the nouveau driver gets
loaded (with 2 references) unless I blacklist it.

So given the above, when I try to hibernate it typically works once but a
second attempt to hibernate (after having been woken up of course) will fail
and the kernel reports:

Jan 20 17:42:15 laptop kernel: PM: Syncing filesystems ... done.
Jan 20 17:42:15 laptop kernel: Freezing user space processes ... (elapsed 0.264
seconds) done.
Jan 20 17:42:15 laptop kernel: Double checking all user space processes after
OOM killer disable... (elapsed 0.000 seconds)
Jan 20 17:42:15 laptop kernel: PM: Marking nosave pages: [mem
0x00000000-0x00000fff]
Jan 20 17:42:15 laptop kernel: PM: Marking nosave pages: [mem
0x0009d000-0x000fffff]
Jan 20 17:42:15 laptop kernel: PM: Marking nosave pages: [mem
0x48b7f000-0x49ffefff]
Jan 20 17:42:15 laptop kernel: PM: Marking nosave pages: [mem
0x4a000000-0xffffffff]
Jan 20 17:42:15 laptop kernel: PM: Basic memory bitmaps created
Jan 20 17:42:15 laptop kernel: PM: Preallocating image memory... done
(allocated 1487391 pages)
Jan 20 17:42:15 laptop kernel: PM: Allocated 5949564 kbytes in 0.34 seconds
(17498.71 MB/s)
Jan 20 17:42:15 laptop kernel: Freezing remaining freezable tasks ... (elapsed
0.216 seconds) done.
Jan 20 17:42:15 laptop kernel: Suspending console(s) (use no_console_suspend to
debug)
Jan 20 17:42:15 laptop kernel: tpm tpm0: TPM savestate took 3100ms
Jan 20 17:42:15 laptop kernel: parport_pc 00:04: disabled
Jan 20 17:42:15 laptop kernel: nouveau 0000:01:00.0: DRM: suspending console...
Jan 20 17:42:15 laptop kernel: nouveau 0000:01:00.0: DRM: suspending display...
Jan 20 17:42:15 laptop kernel: nouveau 0000:01:00.0: DRM: evicting buffers...
Jan 20 17:42:15 laptop kernel: nouveau 0000:01:00.0: DRM: waiting for kernel
channels to go idle...
Jan 20 17:42:15 laptop kernel: nouveau 0000:01:00.0: DRM: failed to idle
channel 0 [DRM]
Jan 20 17:42:15 laptop kernel: nouveau 0000:01:00.0: DRM: resuming display...
Jan 20 17:42:15 laptop kernel: pci_pm_freeze(): nouveau_pmops_freeze+0x0/0x20
[nouveau] returns -16
Jan 20 17:42:15 laptop kernel: dpm_run_callback(): pci_pm_freeze+0x0/0xf0
returns -16
Jan 20 17:42:15 laptop kernel: PM: Device 0000:01:00.0 failed to freeze async:
error -16
Jan 20 17:42:15 laptop kernel: usb usb1: root hub lost power or was reset
Jan 20 17:42:15 laptop kernel: usb usb3: root hub lost power or was reset
Jan 20 17:42:15 laptop kernel: usb usb4: root hub lost power or was reset
Jan 20 17:42:15 laptop kernel: usb usb2: root hub lost power or was reset
Jan 20 17:42:15 laptop kernel: ehci-pci 0000:00:1a.0: cache line size of 64 is
not supported
Jan 20 17:42:15 laptop kernel: ehci-pci 0000:00:1d.0: cache line size of 64 is
not supported
Jan 20 17:42:15 laptop kernel: sd 0:0:0:0: [sda] Starting disk
Jan 20 17:42:15 laptop kernel: pciehp 0000:3c:03.0:pcie204: Device 0000:5f:00.0
already exists at 0000:5f:00, cannot hot-add
Jan 20 17:42:15 laptop kernel: pciehp 0000:3c:03.0:pcie204: Cannot add device
at 0000:5f:00
Jan 20 17:42:15 laptop kernel: usb 1-1: reset high-speed USB device number 3
using ehci-pci
Jan 20 17:42:15 laptop kernel: usb 2-1: reset high-speed USB device number 2
using ehci-pci
Jan 20 17:42:15 laptop kernel: ata3: SATA link down (SStatus 0 SControl 300)
Jan 20 17:42:15 laptop kernel: ata1: SATA link up 6.0 Gbps (SStatus 133
SControl 300)
Jan 20 17:42:15 laptop kernel: ata1.00: supports DRM functions and may not be
fully accessible
Jan 20 17:42:15 laptop kernel: ata4: SATA link down (SStatus 0 SControl 300)
Jan 20 17:42:15 laptop kernel: ata1.00: supports DRM functions and may not be
fully accessible
Jan 20 17:42:15 laptop kernel: ata1.00: configured for UDMA/133
Jan 20 17:42:15 laptop kernel: usb 3-7: reset high-speed USB device number 3
using xhci_hcd
Jan 20 17:42:15 laptop kernel: usb 3-5: reset full-speed USB device number 2
using xhci_hcd
Jan 20 17:42:15 laptop kernel: usb 3-12: reset full-speed USB device number 4
using xhci_hcd
Jan 20 17:42:15 laptop kernel: rtc_cmos 00:03: System wakeup disabled by ACPI
Jan 20 17:42:15 laptop kernel: parport_pc 00:04: activated
Jan 20 17:42:15 laptop kernel: PM: restore of devices complete after 1370.000
msecs

As you can see, the fatal part is the:

Jan 20 17:42:15 laptop kernel: pci_pm_freeze(): nouveau_pmops_freeze+0x0/0x20
[nouveau] returns -16
Jan 20 17:42:15 laptop kernel: dpm_run_callback(): pci_pm_freeze+0x0/0xf0
returns -16
Jan 20 17:42:15 laptop kernel: PM: Device 0000:01:00.0 failed to freeze async:
error -16

If I do blacklist the nouveau driver completely so that it does not get loaded
into the kernel even, I can hibernate and resume over and over again with no
problem.

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[Bug 99482] nouveau driver returns -16 trying to hibernate

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https://bugs.freedesktop.org/show_bug.cgi?id=99482

--- Comment #1 from dr_bugzilla-g/b1ySJe57IN+BqQ9rBEUg@public.gmane.org ---
I confirm this bug on Xubuntu 16.04 Xenial, when using a new mainline kernel
from PPA (4.11.3-041103-generic) rather than the stock kernel. My laptop has
hybrid Intel/Nvidia graphics. Any attempts to hibernate (in my case, using
uswsusp's s2disk) fail, with control being returned to the GUI. In the kernel
log, I see the same messages as Brian does, specifically:

May 25 17:18:13 *** kernel: [ 3356.651761] nouveau 0000:01:00.0: DRM: evicting
buffers...
May 25 17:18:13 *** kernel: [ 3356.651765] nouveau 0000:01:00.0: DRM: waiting
for kernel channels to go idle...
May 25 17:18:13 *** kernel: [ 3371.651076] nouveau 0000:01:00.0: DRM: failed to
idle channel 0 [DRM]
May 25 17:18:13 *** kernel: [ 3371.651132] pci_pm_freeze():
nouveau_pmops_freeze+0x0/0x20 [nouveau] returns -16
May 25 17:18:13 *** kernel: [ 3371.651134] dpm_run_callback():
pci_pm_freeze+0x0/0xf0 returns -16
May 25 17:18:13 *** kernel: [ 3371.651136] PM: Device 0000:01:00.0 failed to
freeze async: error -16

With the older stock kernel (4.4.0-78-generic), I think that the underlying
cause of this bug was having an effect, even though I did not see these kernel
messages. I say this because hibernation with the older kernel would fail about
25% of the time, hanging the system completely (hard power-off required, all
work was lost). I believe now that this would happen because the kernel was not
able to idle nouveau but just continued the attempt to hibernate anyway. 
Also, even when hibernate succeeded, my laptop would not actually power off
when writing 'platform' to /sys/power/disk; I would either have to hold the
power button down or set /sys/power/disk to 'shutdown' instead. Again, I think
this was happening because nouveau was not being properly idled.

When I blacklist nouveau and use only Intel graphics (i915), hibernation always
works (including powering off the laptop automatically).

My nouveau is stock Xenial (version 1.0.12-1build2 of package
xserver-xorg-video-nouveau).

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[Bug 99482] nouveau driver returns -16 trying to hibernate

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https://bugs.freedesktop.org/show_bug.cgi?id=99482

dr_bugzilla-g/b1ySJe57IN+BqQ9rBEUg@public.gmane.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|7.7 (2012.06)               |unspecified

--- Comment #2 from dr_bugzilla-g/b1ySJe57IN+BqQ9rBEUg@public.gmane.org ---
Quick followup:

Bug #99889 "nouveau preventing shutdown after suspend-resume" seems to be
related to this one:

https://bugs.freedesktop.org/show_bug.cgi?id=99889

See also this thread on the Nouveau mailing list:

https://lists.freedesktop.org/archives/nouveau/2017-February/027316.html

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[Bug 99482] nouveau driver returns -16 trying to hibernate

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https://bugs.freedesktop.org/show_bug.cgi?id=99482

Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:

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

--- Comment #3 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/319.

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