[Bug 210095] New: amdgpu : hibernate failed on A12-9700P (R7 bristol ridge) - ASUS X555 Q

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=210095

            Bug ID: 210095
           Summary: amdgpu : hibernate failed on A12-9700P (R7 bristol
                    ridge) - ASUS X555 Q
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.4.0-52-generic #57-Ubuntu SMP Thu Oct 15 10:57:00
                    UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: alvin@ximple.ga
        Regression: No

Created attachment 293529
  --> https://bugzilla.kernel.org/attachment.cgi?id=293529&action=edit
dmesg

Hi! Dear maintainer, 

I have a problem getting hibernate from this machine. After issuing hibernate
command via kernel 'echo disk > /sys/power/state' or systemd 'systemctl
hibernate', the screen is black but still powered on. After like 20secs, fan
speed ramp up to max. If I disconnect the power (mind that my laptop battery is
detected bad) it's instantly turned off (like if I disconnect power on bios
menu) -- my guesses is the blank state is likely stuck on the bios mode/side(?)

I've tried to located the problem by blocking amdgpu modules from booting and I
found out that amdgpu likely the problem. I tried upgrade kernel on ubuntu to
5.8 but no amdgpu loaded but using LLVMpipe mode, the hibernate can happen
normally 

There is no/I don't know where the - serial port on this device as this is a 
laptop and I have limited knowledge/resources to find that out.

I guess that's useless to attach dmesg, as system is not recording any logs
occur after hibernate issued.

Another thing I get is from the Magic number (PM_TRACE), they said some error
on random 'memory48' or sometimes 'memoryXXX'. I think this may be just false
positive
[    0.984201] kernel: PM:   Magic number: 11:0:0
[    0.984292] kernel: memory memory48: hash matches

Here's some device details.

Thank you.

*-cpu
          description: CPU
          product: AMD A12-9700P RADEON R7, 10 COMPUTE CORES 4C+6G
          vendor: Advanced Micro Devices [AMD]
          physical id: 1b
          bus info: cpu@0
          version: AMD A12-9700P RADEON R7, 10 COMPUTE CORES 4C+6G
          slot: P0
          size: 1306MHz
          capacity: 2500MHz
          width: 64 bits
          clock: 100MHz

 *-display
             description: VGA compatible controller
             product: Wani [Radeon R5/R6/R7 Graphics]
             vendor: Advanced Micro Devices, Inc. [AMD/ATI]
             physical id: 1
             bus info: pci@0000:00:01.0
             version: c9
             width: 64 bits
             clock: 33MHz
             capabilities: pm pciexpress msi vga_controller bus_master cap_list
rom
             configuration: driver=amdgpu latency=0
             resources: irq:44 memory:d0000000-dfffffff
memory:f0000000-f07fffff ioport:f000(size=256) memory:feb00000-feb3ffff
memory:c0000-dffff

        *-pci:2
             description: PCI bridge
             product: Family 15h (Models 60h-6fh) Processor Root Port
             vendor: Advanced Micro Devices, Inc. [AMD]
             physical id: 3.1
             bus info: pci@0000:00:03.1
             version: 00
             width: 32 bits
             clock: 33MHz
             capabilities: pci pm pciexpress msi ht normal_decode bus_master
cap_list
             configuration: driver=pcieport
             resources: irq:29 ioport:d000(size=4096) memory:fe800000-fe8fffff
ioport:e0000000(size=268435456)
           *-display
                description: Display controller
                product: Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330 / M430 /
Radeon 520 Mobile]
                vendor: Advanced Micro Devices, Inc. [AMD/ATI]
                physical id: 0
                bus info: pci@0000:03:00.0
                version: 83
                width: 64 bits
                clock: 33MHz
                capabilities: pm pciexpress msi bus_master cap_list rom
                configuration: driver=radeon latency=0
                resources: irq:43 memory:e0000000-efffffff
memory:fe800000-fe83ffff ioport:d000(size=256) memory:fe840000-fe85ffff

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