[Bug 107065] "BUG: unable to handle kernel paging request at 0000000000002000" at amdgpu_vm_cpu_set_ptes at S3 resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107065

--- Comment #6 from Andrey Grodzovsky <andrey.grodzovsky at amd.com> ---
(In reply to dwagner from comment #5)
> Interesting: With amd-staging-drm-next, I see the same crash at
> https://cgit.freedesktop.org/~agd5f/linux/tree/drivers/gpu/drm/amd/amdgpu/
> amdgpu_vm.c?h=amd-staging-drm-next#n921 with the same backtrace with
> vm_update_mode=3 immediately upon starting X11 - not only after S3 resume.
> Here with symbols translated to source lines:
> 
> Jun 29 01:49:05 ryzen kernel: amdgpu_vm_cpu_set_ptes
> (/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:921 (discriminator 2)) amdgpu
> Jun 29 01:49:05 ryzen kernel: amdgpu_vm_update_directories
> (/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:989
> /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1096) amdgpu
> Jun 29 01:49:05 ryzen kernel: ? amdgpu_vm_do_copy_ptes
> (/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:913) amdgpu
> Jun 29 01:49:05 ryzen kernel: amdgpu_gem_va_ioctl
> (/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c:542
> /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c:674) amdgpu
> Jun 29 01:49:05 ryzen kernel: ? __alloc_pages_nodemask
> (/mm/page_alloc.c:4355) 
> Jun 29 01:49:05 ryzen kernel: ? amdgpu_gem_metadata_ioctl
> (/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c:548) amdgpu
> Jun 29 01:49:05 ryzen kernel: drm_ioctl_kernel+0xa7/0xf0 drm
> Jun 29 01:49:05 ryzen kernel: drm_ioctl+0x2f1/0x3c0 drm
> Jun 29 01:49:05 ryzen kernel: ? amdgpu_gem_metadata_ioctl
> (/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c:548) amdgpu
> Jun 29 01:49:05 ryzen kernel: amdgpu_drm_ioctl
> (/./include/linux/pm_runtime.h:108
> /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c:842) amdgpu
> Jun 29 01:49:05 ryzen kernel: do_vfs_ioctl (/fs/ioctl.c:46 /fs/ioctl.c:500
> /fs/ioctl.c:684) 
> Jun 29 01:49:05 ryzen kernel: ? handle_mm_fault (/mm/memory.c:4133) 
> Jun 29 01:49:05 ryzen kernel: ksys_ioctl (/./include/linux/file.h:39
> /fs/ioctl.c:702) 
> Jun 29 01:49:05 ryzen kernel: __x64_sys_ioctl (/fs/ioctl.c:708
> /fs/ioctl.c:706 /fs/ioctl.c:706) 
> Jun 29 01:49:05 ryzen kernel: do_syscall_64 (/arch/x86/entry/common.c:290) 
> Jun 29 01:49:05 ryzen kernel: entry_SYSCALL_64_after_hwframe
> (/./include/trace/events/initcall.h:10 /./include/trace/events/initcall.h:10)

So with Arch Linux kernel it happens only during S3 but with
amd-staging-drm-next it happens once you start X ?

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