From: "Christian König" <ckoenig.leichtzumerken@gmail.com>
To: Felix Kuehling <Felix.Kuehling@amd.com>,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: alex.sierra@amd.com, Philip Yang <Philip.Yang@amd.com>
Subject: Re: [PATCH 31/35] drm/amdgpu: reserve fence slot to update page table
Date: Thu, 7 Jan 2021 11:57:09 +0100 [thread overview]
Message-ID: <86c076f7-47e8-2141-71ae-7eaeeed2f462@gmail.com> (raw)
In-Reply-To: <20210107030127.20393-32-Felix.Kuehling@amd.com>
Am 07.01.21 um 04:01 schrieb Felix Kuehling:
> From: Philip Yang <Philip.Yang@amd.com>
>
> Forgot to reserve a fence slot to use sdma to update page table, cause
> below kernel BUG backtrace to handle vm retry fault while application is
> exiting.
>
> [ 133.048143] kernel BUG at /home/yangp/git/compute_staging/kernel/drivers/dma-buf/dma-resv.c:281!
> [ 133.048487] Workqueue: events amdgpu_irq_handle_ih1 [amdgpu]
> [ 133.048506] RIP: 0010:dma_resv_add_shared_fence+0x204/0x280
> [ 133.048672] amdgpu_vm_sdma_commit+0x134/0x220 [amdgpu]
> [ 133.048788] amdgpu_vm_bo_update_range+0x220/0x250 [amdgpu]
> [ 133.048905] amdgpu_vm_handle_fault+0x202/0x370 [amdgpu]
> [ 133.049031] gmc_v9_0_process_interrupt+0x1ab/0x310 [amdgpu]
> [ 133.049165] ? kgd2kfd_interrupt+0x9a/0x180 [amdgpu]
> [ 133.049289] ? amdgpu_irq_dispatch+0xb6/0x240 [amdgpu]
> [ 133.049408] amdgpu_irq_dispatch+0xb6/0x240 [amdgpu]
> [ 133.049534] amdgpu_ih_process+0x9b/0x1c0 [amdgpu]
> [ 133.049657] amdgpu_irq_handle_ih1+0x21/0x60 [amdgpu]
> [ 133.049669] process_one_work+0x29f/0x640
> [ 133.049678] worker_thread+0x39/0x3f0
> [ 133.049685] ? process_one_work+0x640/0x640
>
> Signed-off-by: Philip Yang <Philip.Yang@amd.com>
> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index abdd4e7b4c3b..bd9de870f8f1 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -3301,7 +3301,7 @@ bool amdgpu_vm_handle_fault(struct amdgpu_device *adev, unsigned int pasid,
> struct amdgpu_bo *root;
> uint64_t value, flags;
> struct amdgpu_vm *vm;
> - long r;
> + int r;
> bool is_compute_context = false;
>
> spin_lock(&adev->vm_manager.pasid_lock);
> @@ -3359,6 +3359,12 @@ bool amdgpu_vm_handle_fault(struct amdgpu_device *adev, unsigned int pasid,
> value = 0;
> }
>
> + r = dma_resv_reserve_shared(root->tbo.base.resv, 1);
> + if (r) {
> + pr_debug("failed %d to reserve fence slot\n", r);
> + goto error_unlock;
> + }
> +
> r = amdgpu_vm_bo_update_mapping(adev, adev, vm, true, false, NULL, addr,
> addr, flags, value, NULL, NULL,
> NULL);
> @@ -3370,7 +3376,7 @@ bool amdgpu_vm_handle_fault(struct amdgpu_device *adev, unsigned int pasid,
> error_unlock:
> amdgpu_bo_unreserve(root);
> if (r < 0)
> - DRM_ERROR("Can't handle page fault (%ld)\n", r);
> + DRM_ERROR("Can't handle page fault (%d)\n", r);
>
> error_unref:
> amdgpu_bo_unref(&root);
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next prev parent reply other threads:[~2021-01-07 10:57 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-07 3:00 [PATCH 00/35] Add HMM-based SVM memory manager to KFD Felix Kuehling
2021-01-07 3:00 ` [PATCH 01/35] drm/amdkfd: select kernel DEVICE_PRIVATE option Felix Kuehling
2021-01-07 3:00 ` [PATCH 02/35] drm/amdgpu: replace per_device_list by array Felix Kuehling
2021-01-07 3:00 ` [PATCH 03/35] drm/amdkfd: helper to convert gpu id and idx Felix Kuehling
2021-01-07 3:00 ` [PATCH 04/35] drm/amdkfd: add svm ioctl API Felix Kuehling
2021-01-07 3:00 ` [PATCH 05/35] drm/amdkfd: Add SVM API support capability bits Felix Kuehling
2021-01-07 3:00 ` [PATCH 06/35] drm/amdkfd: register svm range Felix Kuehling
2021-01-07 3:00 ` [PATCH 07/35] drm/amdkfd: add svm ioctl GET_ATTR op Felix Kuehling
2021-01-07 3:01 ` [PATCH 08/35] drm/amdgpu: add common HMM get pages function Felix Kuehling
2021-01-07 10:53 ` Christian König
2021-01-07 3:01 ` [PATCH 09/35] drm/amdkfd: validate svm range system memory Felix Kuehling
2021-01-07 3:01 ` [PATCH 10/35] drm/amdkfd: register overlap system memory range Felix Kuehling
2021-01-07 3:01 ` [PATCH 11/35] drm/amdkfd: deregister svm range Felix Kuehling
2021-01-07 3:01 ` [PATCH 12/35] drm/amdgpu: export vm update mapping interface Felix Kuehling
2021-01-07 10:54 ` Christian König
2021-01-07 3:01 ` [PATCH 13/35] drm/amdkfd: map svm range to GPUs Felix Kuehling
2021-01-07 3:01 ` [PATCH 14/35] drm/amdkfd: svm range eviction and restore Felix Kuehling
2021-01-07 3:01 ` [PATCH 15/35] drm/amdkfd: add xnack enabled flag to kfd_process Felix Kuehling
2021-01-07 3:01 ` [PATCH 16/35] drm/amdkfd: add ioctl to configure and query xnack retries Felix Kuehling
2021-01-07 3:01 ` [PATCH 17/35] drm/amdkfd: register HMM device private zone Felix Kuehling
2021-03-01 8:32 ` Daniel Vetter
2021-03-01 8:46 ` Thomas Hellström (Intel)
2021-03-01 8:58 ` Daniel Vetter
2021-03-01 9:30 ` Thomas Hellström (Intel)
2021-03-04 17:58 ` Felix Kuehling
2021-03-11 12:24 ` Thomas Hellström (Intel)
2021-01-07 3:01 ` [PATCH 18/35] drm/amdkfd: validate vram svm range from TTM Felix Kuehling
2021-01-07 3:01 ` [PATCH 19/35] drm/amdkfd: support xgmi same hive mapping Felix Kuehling
2021-01-07 3:01 ` [PATCH 20/35] drm/amdkfd: copy memory through gart table Felix Kuehling
2021-01-07 3:01 ` [PATCH 21/35] drm/amdkfd: HMM migrate ram to vram Felix Kuehling
2021-01-07 3:01 ` [PATCH 22/35] drm/amdkfd: HMM migrate vram to ram Felix Kuehling
2021-01-07 3:01 ` [PATCH 23/35] drm/amdkfd: invalidate tables on page retry fault Felix Kuehling
2021-01-07 3:01 ` [PATCH 24/35] drm/amdkfd: page table restore through svm API Felix Kuehling
2021-01-07 3:01 ` [PATCH 25/35] drm/amdkfd: SVM API call to restore page tables Felix Kuehling
2021-01-07 3:01 ` [PATCH 26/35] drm/amdkfd: add svm_bo reference for eviction fence Felix Kuehling
2021-01-07 3:01 ` [PATCH 27/35] drm/amdgpu: add param bit flag to create SVM BOs Felix Kuehling
2021-01-07 3:01 ` [PATCH 28/35] drm/amdkfd: add svm_bo eviction mechanism support Felix Kuehling
2021-01-07 3:01 ` [PATCH 29/35] drm/amdgpu: svm bo enable_signal call condition Felix Kuehling
2021-01-07 10:56 ` Christian König
2021-01-07 16:16 ` Felix Kuehling
2021-01-07 16:28 ` Christian König
2021-01-07 16:53 ` Felix Kuehling
2021-01-07 3:01 ` [PATCH 30/35] drm/amdgpu: add svm_bo eviction to enable_signal cb Felix Kuehling
2021-01-07 3:01 ` [PATCH 31/35] drm/amdgpu: reserve fence slot to update page table Felix Kuehling
2021-01-07 10:57 ` Christian König [this message]
2021-01-07 3:01 ` [PATCH 32/35] drm/amdgpu: enable retry fault wptr overflow Felix Kuehling
2021-01-07 11:01 ` Christian König
2021-01-07 3:01 ` [PATCH 33/35] drm/amdkfd: refine migration policy with xnack on Felix Kuehling
2021-01-07 3:01 ` [PATCH 34/35] drm/amdkfd: add svm range validate timestamp Felix Kuehling
2021-01-07 3:01 ` [PATCH 35/35] drm/amdkfd: multiple gpu migrate vram to vram Felix Kuehling
2021-01-07 9:23 ` [PATCH 00/35] Add HMM-based SVM memory manager to KFD Daniel Vetter
2021-01-07 16:25 ` Felix Kuehling
2021-01-08 14:40 ` Daniel Vetter
2021-01-08 14:45 ` Christian König
2021-01-08 15:58 ` Felix Kuehling
2021-01-08 16:06 ` Daniel Vetter
2021-01-08 16:36 ` Felix Kuehling
2021-01-08 16:53 ` Daniel Vetter
2021-01-08 17:56 ` Felix Kuehling
2021-01-11 16:29 ` Daniel Vetter
2021-01-14 5:34 ` Felix Kuehling
2021-01-14 12:19 ` Christian König
2021-01-13 16:56 ` Jerome Glisse
2021-01-13 20:31 ` Daniel Vetter
2021-01-14 3:27 ` Jerome Glisse
2021-01-14 9:26 ` Daniel Vetter
2021-01-14 10:39 ` Daniel Vetter
2021-01-14 10:49 ` Christian König
2021-01-14 11:52 ` Daniel Vetter
2021-01-14 13:37 ` HMM fence (was Re: [PATCH 00/35] Add HMM-based SVM memory manager to KFD) Christian König
2021-01-14 13:57 ` Daniel Vetter
2021-01-14 14:13 ` Christian König
2021-01-14 14:23 ` Daniel Vetter
2021-01-14 15:08 ` Christian König
2021-01-14 15:40 ` Daniel Vetter
2021-01-14 16:01 ` Christian König
2021-01-14 16:36 ` Daniel Vetter
2021-01-14 19:08 ` Christian König
2021-01-14 20:09 ` Daniel Vetter
2021-01-14 16:51 ` Jerome Glisse
2021-01-14 21:13 ` Felix Kuehling
2021-01-15 7:47 ` Christian König
2021-01-13 16:47 ` [PATCH 00/35] Add HMM-based SVM memory manager to KFD Jerome Glisse
2021-01-14 0:06 ` Felix Kuehling
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