Am 11.01.22 um 06:21 schrieb Guchun Chen:
This is observed in SRIOV case with virtual KMS as display.
_raw_spin_lock_irqsave+0x37/0x40
drm_handle_vblank+0x69/0x350 [drm]
? try_to_wake_up+0x432/0x5c0
? amdgpu_vkms_prepare_fb+0x1c0/0x1c0 [amdgpu]
drm_crtc_handle_vblank+0x17/0x20 [drm]
amdgpu_vk
This is observed in SRIOV case with virtual KMS as display.
_raw_spin_lock_irqsave+0x37/0x40
drm_handle_vblank+0x69/0x350 [drm]
? try_to_wake_up+0x432/0x5c0
? amdgpu_vkms_prepare_fb+0x1c0/0x1c0 [amdgpu]
drm_crtc_handle_vblank+0x17/0x20 [drm]
amdgpu_vkms_vblank_simulate+0x4d/0x80 [amdgpu]
__hrtimer
0, 2022 11:42 PM
To: Chen, Guchun ; amd-gfx@lists.freedesktop.org; Deucher,
Alexander ; Koenig, Christian
; Pan, Xinhui ; Huang, Qiliang
(Warden) ; Zhang, Bokun
Subject: RE: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by
local interrupt
I can confirm that the fault no longer o
esktop.org; Deucher,
Alexander ; Koenig, Christian
; Pan, Xinhui ; Huang, Qiliang
(Warden) ; Zhang, Bokun
Subject: RE: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by
local interrupt
I can confirm that the fault no longer occurs when the patch is implemented.
Thanks,
Kelly
---
: Chen, Guchun
Subject: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local
interrupt
This is observed in SRIOV case with virtual KMS as display.
_raw_spin_lock_irqsave+0x37/0x40
drm_handle_vblank+0x69/0x350 [drm]
? try_to_wake_up+0x432/0x5c0
? amdgpu_vkms_prepare_fb+0x1c0/0x1c0
(Warden) ; Zhang, Bokun
Cc: Chen, Guchun
Subject: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local
interrupt
This is observed in SRIOV case with virtual KMS as display.
_raw_spin_lock_irqsave+0x37/0x40
drm_handle_vblank+0x69/0x350 [drm]
? try_to_wake_up+0x432/0x5c0
This is observed in SRIOV case with virtual KMS as display.
_raw_spin_lock_irqsave+0x37/0x40
drm_handle_vblank+0x69/0x350 [drm]
? try_to_wake_up+0x432/0x5c0
? amdgpu_vkms_prepare_fb+0x1c0/0x1c0 [amdgpu]
drm_crtc_handle_vblank+0x17/0x20 [drm]
amdgpu_vkms_vblank_simulate+0x4d/0x80 [amdgpu]
__hrtimer