[Bug 104082] amdgpu 0000:07:00.0: swiotlb buffer is full (sz: 2097152 bytes)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104082

--- Comment #43 from ojab <ojab at ojab.ru> ---
Same here on ryzen 2400g + asus a320m-k w/ iommu disabled, vanilla kernel
4.16.4.

I'm not sure if it's another issue since it happens on driver loading and
backtrace looks like:

[Wed Apr 25 20:18:50 2018]  dump_stack+0x67/0x93
[Wed Apr 25 20:18:50 2018]  swiotlb_alloc_coherent+0x1da/0x1f0
[Wed Apr 25 20:18:50 2018]  amdgpu_ih_ring_init+0x1fc/0x2c0 [amdgpu]
[Wed Apr 25 20:18:50 2018]  vega10_ih_sw_init+0x18/0xb0 [amdgpu]
[Wed Apr 25 20:18:50 2018]  amdgpu_device_init+0xa35/0x11e0 [amdgpu]
[Wed Apr 25 20:18:50 2018]  amdgpu_driver_load_kms+0x56/0x170 [amdgpu]

but it happens after `swiotlb buffer is full` error, so writing here.

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