[Bug 194731] drm general protection fault in drm_atomic_init

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=194731

--- Comment #3 from Janpieter Sollie (janpieter.sollie@dommel.be) ---
(In reply to Michel Dänzer from comment #1)
> (In reply to Janpieter Sollie from comment #0)
> > I modified the drm_atomic.c a bit to be more verbose.  the drm_init calls a
> > general protection fault when allocating my second GPU(does it work this
> > way?) of the amdgpu module.
> 
> [...]
> 
> > [   77.950445] Modules linked in: amdkfd amdgpu(O+) amdttm(O) amdkcl(O)
> 
> amdttm and amdkcl indicate that you're using an out-of-tree version of the
> amdgpu kernel module, possibly from an amdgpu-pro release? Does the problem
> also occur with the in-tree amdgpu driver?

no, then the kernel simply reboots. I'm sorry for using the amd pro module, but
native amd doesn't tell me anything:

modprobe amdgpu & cat /proc/kmsg gives this as its last output:
<6>[  252.228071] amdgpu 0000:41:00.0: fence driver on ring 0 use gpu addr
0x0000000040000010, cpu addr 0xffff881831cc6010
<6>[  252.228253] amdgpu 0000:41:00.0: fence driver on ring 1 use gpu addr
0x0000000040000020, cpu addr 0xffff881831cc6020
<6>[  252.228601] amdgpu 0000:41:00.0: fence driver on ring 2 use gpu addr
0x0000000040000030, cpu addr 0xffff881831cc6030
<6>[  252.228768] amdgpu 0000:41:00.0: fence driver on ring 3 use gpu addr
0x0000000040000040, cpu addr 0xffff881831cc6040
<6>[  252.228939] amdgpu 0000:41:00.0: fence driver on ring 4 use gpu addr
0x0000000040000050, cpu addr 0xffff881831cc6050
<6>[  252.229092] [drm] probing gen 2 caps for device 1002:5a1f = 31cd02/0
<6>[  252.229096] [drm] PCIE gen 2 link speeds already enabled
<6>[  252.458236] [drm] ring test on 0 succeeded in 7 usecs
<6>[  252.460247] [drm] ring test on 1 succeeded in 1 usecs
<6>[  252.460256] [drm] ring test on 2 succeeded in 1 usecs
<6>[  252.460265] [drm] ring test on 3 succeeded in 3 usecs
<6>[  252.460272] [drm] ring test on 4 succeeded in 3 usecs
but this is probably related to another bug: 194559

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