From nobody Fri Dec 19 21:51:36 2025 Received: from rtg-sunil-navi33.amd.com (unknown [165.204.156.251]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A7D95339A for ; Fri, 8 Mar 2024 10:31:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=165.204.156.251 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709893903; cv=none; b=pmZRhPEaXCQ423t6QxfPJQAjrEPZ1TiGjOPwWBv+BiEaZ1Moe49Q4EwWepV9JgLRAkXUzF7WxfiQ1PXwf9w3XEdIbKqbVgBxvTHl/UL/P8InVr2cfrDXqk1eqOdf0ck0uSKhzBvRmGtf52Sg6J0hzsTBlIAHDA2QRqw5grvhhLI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709893903; c=relaxed/simple; bh=avm5AqMuKCBBhuckiau0xBaq2vYjSWRl0exP4EdGQqs=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=QmxsRLzDgACMG4ihRKmSzIw2w8TDuB5VabLpUFnbz/9mALEsz67LRLsIuLI4nCrTc3Inu9IJCsBe/WxLUbxmBhR0u1VYucUENan9Gb5yU4BFuOEPzGNPQwwExaRm1/sRtdEndUSQ6p4WDfr/v9bNI4gquCK109JMb4n6MgPglRQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=amd.com; spf=none smtp.mailfrom=rtg-sunil-navi33.amd.com; arc=none smtp.client-ip=165.204.156.251 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=rtg-sunil-navi33.amd.com Received: from rtg-sunil-navi33.amd.com (localhost [127.0.0.1]) by rtg-sunil-navi33.amd.com (8.15.2/8.15.2/Debian-22ubuntu3) with ESMTP id 428AVW3N4124820; Fri, 8 Mar 2024 16:01:32 +0530 Received: (from sunil@localhost) by rtg-sunil-navi33.amd.com (8.15.2/8.15.2/Submit) id 428AVWrp4124815; Fri, 8 Mar 2024 16:01:32 +0530 From: Sunil Khatri To: Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , Shashank Sharma Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Mukul Joshi , Arunpravin Paneer Selvam , Sunil Khatri Subject: [PATCH v3] drm/amdgpu: add vm fault information to devcoredump Date: Fri, 8 Mar 2024 16:01:30 +0530 Message-Id: <20240308103130.4124796-1-sunil.khatri@amd.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add page fault information to the devcoredump. Output of devcoredump: **** AMDGPU Device Coredump **** version: 1 kernel: 6.7.0-amd-staging-drm-next module: amdgpu time: 29.725011811 process_name: soft_recovery_p PID: 1720 Ring timed out details IP Type: 0 Ring Name: gfx_0.0.0 [gfxhub] Page fault observed Faulty page starting at address: 0x0000000000000000 Protection fault status register: 0x301031 VRAM is lost due to GPU reset! Signed-off-by: Sunil Khatri Reviewed-by: Christian K=C3=B6nig --- drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/am= d/amdgpu/amdgpu_reset.c index 147100c27c2d..6d059f853adc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c @@ -203,6 +203,18 @@ amdgpu_devcoredump_read(char *buffer, loff_t offset, s= ize_t count, coredump->ring->name); } =20 + if (coredump->adev) { + struct amdgpu_vm_fault_info *fault_info =3D + &coredump->adev->vm_manager.fault_info; + + drm_printf(&p, "\n[%s] Page fault observed\n", + fault_info->vmhub ? "mmhub" : "gfxhub"); + drm_printf(&p, "Faulty page starting at address: 0x%016llx\n", + fault_info->addr); + drm_printf(&p, "Protection fault status register: 0x%x\n\n", + fault_info->status); + } + if (coredump->reset_vram_lost) drm_printf(&p, "VRAM is lost due to GPU reset!\n"); if (coredump->adev->reset_info.num_regs) { --=20 2.34.1