From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6814C433FE for ; Thu, 6 Oct 2022 21:52:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231389AbiJFVwy (ORCPT ); Thu, 6 Oct 2022 17:52:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39214 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229505AbiJFVwu (ORCPT ); Thu, 6 Oct 2022 17:52:50 -0400 Received: from mail-ej1-x633.google.com (mail-ej1-x633.google.com [IPv6:2a00:1450:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 16D25FF8F5 for ; Thu, 6 Oct 2022 14:52:49 -0700 (PDT) Received: by mail-ej1-x633.google.com with SMTP id r17so7482758eja.7 for ; Thu, 06 Oct 2022 14:52:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=8+A+zIRy16QFTg+cmAx3TJyR+vU5d527KfHF2GB4dYI=; b=RIXXgpbKNH2W/Yc9juS3FkGjTsnvHzENyObFcZmjVP/qG2cZQgr+SOdUoivIdKIreq GDYswOUP6UjobhIrUX1wihL03F5iWROBKC6MtjT0olnERcVnPOCpltKwXbiFo5c09i9X nTL5V2YpMBliT6zZ5R+ww6+QSdseqbquKtUaXqLwYsKje4+mGFgcmYHTowhEOs8y22ly AN887D4pOL0u3g+z+XejxJcYy5YJmK9bx+7kL4aJNVQKjdDaRmP93zLwYLzJQXNoWVDs kn8+tsHtTBDWmeLIoIx7Z0WMDxfgZ/Q96Ehu4l13SgyQ7b6y0OZiJ8yEvkU6L8/wDEfp azeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=8+A+zIRy16QFTg+cmAx3TJyR+vU5d527KfHF2GB4dYI=; b=fzRTrGdqo2J8JIDnhxU8H0BojjZeJGnK5+mmTPZknMoLLH0BcSdHvzI81uCIJFtIKy 4wGd5raw2JEMByjrRt1/Nw4sO9RuB9ApW2OK5lJB3+FBwR+swtXMA3R4rfPXU6FZJk+8 GcX3kRtvux0jJkd4cZM2uUm2eWAIqrW61q/BXJ99mZ2CfQCe33OwBrZ3wNjQavypXSWX tHhSIelu+9WrCB+qLBxsXLRTMOxrq1YYrWtxLADg/0fIHukrWnDYq35NqbBeZ4IMQzst srXWBt7qPtFgHg1/FgHwgMK6Zxedt7HSEe9Sja+m9ixssVSXILcvsgZJc+5X7tzxZ5mB 3j1Q== X-Gm-Message-State: ACrzQf2IG54/JVUU1bMTD+kL/Wlu3sIyK1wjhYG6Z+bZUIpmqRd7LeJc Q7UeN3juiK68ep7JwlxL+sTzum4YZldz9UU+QRU= X-Google-Smtp-Source: AMsMyM6MrbuBaIzviWyIpo7LEtpXE8fYeSpkcuj1C5cQ6/GCjFgxYdxwQbGI17FJ2cBGZAbYznxSdPocQac1QxRdPlo= X-Received: by 2002:a17:907:980a:b0:78d:282f:1607 with SMTP id ji10-20020a170907980a00b0078d282f1607mr1526388ejc.511.1665093167478; Thu, 06 Oct 2022 14:52:47 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Dave Airlie Date: Fri, 7 Oct 2022 07:52:35 +1000 Message-ID: Subject: Re: [git pull] drm for 6.1-rc1 To: Alex Deucher Cc: Linus Torvalds , Alex Deucher , =?UTF-8?Q?Christian_K=C3=B6nig?= , Daniel Vetter , LKML , dri-devel Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 7 Oct 2022 at 07:41, Dave Airlie wrote: > > On Fri, 7 Oct 2022 at 06:24, Dave Airlie wrote: > > > > On Fri, 7 Oct 2022 at 06:14, Alex Deucher wrote: > > > > > > On Thu, Oct 6, 2022 at 3:48 PM Linus Torvalds > > > wrote: > > > > > > > > On Thu, Oct 6, 2022 at 12:28 PM Alex Deucher wrote: > > > > > > > > > > Maybe you are seeing this which is an issue with GPU TLB flushes which > > > > > is kind of sporadic: > > > > > https://gitlab.freedesktop.org/drm/amd/-/issues/2113 > > > > > > > > Well, that seems to be 5.19, and while timing changes (or whatever > > > > other software updates) could have made it start trigger, this machine > > > > has been pretty solid otgerwise. > > > > > > > > > Are you seeing any GPU page faults in your kernel log? > > > > > > > > Nothing even remotely like that "no-retry page fault" in that issue > > > > report. Of course, if it happens just before the whole thing locks > > > > up... > > > > > > Your chip is too old to support retry faults so it's likely you could > > > be just seeing a GPU page fault followed by a hang. Your chip also > > > lacks a paging queue, so you would be affected by the TLB issue. > > > > > > Okay I got my FIJI running Linus tree and netconsole to blow up like > > this, running fedora 36 desktop, steam, firefox, and then I ran > > poweroff over ssh. > > > > [ 1234.778760] BUG: kernel NULL pointer dereference, address: 0000000000000088 > > [ 1234.778782] #PF: supervisor read access in kernel mode > > [ 1234.778787] #PF: error_code(0x0000) - not-present page > > [ 1234.778791] PGD 0 P4D 0 > > [ 1234.778798] Oops: 0000 [#1] PREEMPT SMP NOPTI > > [ 1234.778803] CPU: 7 PID: 805 Comm: systemd-journal Not tainted 6.0.0+ #2 > > [ 1234.778809] Hardware name: System manufacturer System Product > > Name/PRIME X370-PRO, BIOS 5603 07/28/2020 > > [ 1234.778813] RIP: 0010:drm_sched_job_done.isra.0+0xc/0x140 [gpu_sched] > > [ 1234.778828] Code: aa 0f 1d ce e9 57 ff ff ff 48 89 d7 e8 9d 8f 3f > > ce e9 4a ff ff ff 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 54 55 53 > > 48 89 fb <48> 8b af 88 00 00 00 f0 ff 8d f0 00 00 00 48 8b 85 80 01 00 > > 00 f0 > > [ 1234.778834] RSP: 0000:ffffabe680380de0 EFLAGS: 00010087 > > [ 1234.778839] RAX: ffffffffc04e9230 RBX: 0000000000000000 RCX: 0000000000000018 > > [ 1234.778897] RDX: 00000ba278e8977a RSI: ffff953fb288b460 RDI: 0000000000000000 > > [ 1234.778901] RBP: ffff953fb288b598 R08: 00000000000000e0 R09: ffff953fbd98b808 > > [ 1234.778905] R10: 0000000000000000 R11: ffffabe680380ff8 R12: ffffabe680380e00 > > [ 1234.778908] R13: 0000000000000001 R14: 00000000ffffffff R15: ffff953fbd9ec458 > > [ 1234.778912] FS: 00007f35e7008580(0000) GS:ffff95428ebc0000(0000) > > knlGS:0000000000000000 > > [ 1234.778916] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > [ 1234.778919] CR2: 0000000000000088 CR3: 000000010147c000 CR4: 00000000003506e0 > > [ 1234.778924] Call Trace: > > [ 1234.778981] > > [ 1234.778989] dma_fence_signal_timestamp_locked+0x6a/0xe0 > > [ 1234.778999] dma_fence_signal+0x2c/0x50 > > [ 1234.779005] amdgpu_fence_process+0xc8/0x140 [amdgpu] > > [ 1234.779234] sdma_v3_0_process_trap_irq+0x70/0x80 [amdgpu] > > [ 1234.779395] amdgpu_irq_dispatch+0xa9/0x1d0 [amdgpu] > > [ 1234.779609] amdgpu_ih_process+0x80/0x100 [amdgpu] > > [ 1234.779783] amdgpu_irq_handler+0x1f/0x60 [amdgpu] > > [ 1234.779940] __handle_irq_event_percpu+0x46/0x190 > > [ 1234.779946] handle_irq_event+0x34/0x70 > > [ 1234.779949] handle_edge_irq+0x9f/0x240 > > [ 1234.779954] __common_interrupt+0x66/0x100 > > [ 1234.779960] common_interrupt+0xa0/0xc0 > > [ 1234.779965] > > [ 1234.779968] > > [ 1234.779971] asm_common_interrupt+0x22/0x40 > > [ 1234.779976] RIP: 0010:finish_mkwrite_fault+0x22/0x110 > > [ 1234.779981] Code: 1f 84 00 00 00 00 00 90 0f 1f 44 00 00 41 55 41 > > 54 55 48 89 fd 53 48 8b 07 f6 40 50 08 0f 84 eb 00 00 00 48 8b 45 30 > > 48 8b 18 <48> 89 df e8 66 bd ff ff 48 85 c0 74 0d 48 89 c2 83 e2 01 48 > > 83 ea > > [ 1234.779985] RSP: 0000:ffffabe680bcfd78 EFLAGS: 00000202 > > > > I'll see if I can dig any. > > I'm kicking the tires on the drm-next tree just prior to submission, > and in an attempt to make myself look foolish and to tempt fate, it > seems stable. Yay it worked, crashed drm-next. will start reverting down the rabbit hole. Dave.