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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D83CEC433E1 for ; Fri, 17 Jul 2020 21:30:35 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A2B672065F for ; Fri, 17 Jul 2020 21:30:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=shutemov-name.20150623.gappssmtp.com header.i=@shutemov-name.20150623.gappssmtp.com header.b="jsCwnicE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A2B672065F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=shutemov.name Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8322A6E1B8; Fri, 17 Jul 2020 21:30:34 +0000 (UTC) Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5A5346E2D1 for ; Fri, 17 Jul 2020 21:30:33 +0000 (UTC) Received: by mail-lj1-x243.google.com with SMTP id f5so14208595ljj.10 for ; Fri, 17 Jul 2020 14:30:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shutemov-name.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=tcwoPeZcUmmZK55W/4y74kWGLw1PTNzkeVRBgCwcmFs=; b=jsCwnicEIjKcX0BlOO4SSBC01sjaGh9hsow8FGe2PHaZQQ1RQQEpoaOfyawAGJk2P7 pqU59+YUleCrZhy2J+o3fWYw0fLstHNlUh+j7NA5bP+41mF2FkMbX/BkvRESX9JpyqRT Bxg8RB+9X0IFMoOOUzUEtuYglex9gaFD0+5SB+9yNhq23EHgkOvjOxjhTys6t48ioap+ yh+gl3RIRiFTvIFq/in8n33ri6Ui15SUuw6wc3DtjxIILiAa3UQExlwgTnUSiLcy+NYO u2pqjlKe6QE1kksoZ3qYTQWiJLSdQLiMhzNNYIpS/nTX0II4WCoA4q6HiRdpokOXqYgV mImA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=tcwoPeZcUmmZK55W/4y74kWGLw1PTNzkeVRBgCwcmFs=; b=gJ4Qdx8T6P56nodbHk29iW9NeLhKTSAJ3EUO4JmsTF4XPoVo8QDDDsEbM7hkvp4qdx azoWTT+aCCHZoxdkp2koMtCFh1RmnJSU81VvlMujfBtOTVLhO1XrRH0zDvxy87Xgf1OJ fuvNX7ERZiC9TDQxpXgkVwxSRToz2jrT57OncQa/HlKqVTrU6HJdkFh18+5vBfjqk80P nd3g0oTaKM8uEaJXL+EwmYk3/HyzDptgMhbuKa007Ix2N23up51zhlPnY3KbmlSZBvfC xeq9SI0lua6YeaPhlyu5tpuWJ99hi0TCG6T2wmldpXI1+fz017AKwl1YI3t7gioR/xZ6 HxNg== X-Gm-Message-State: AOAM532DJ+i1WlPOS4dZibZ7LM9LphvRyc5MnXmIxviH+0u3l8x1gitw o0AWSD65h2KX30kaZz1Xn5KEPw== X-Google-Smtp-Source: ABdhPJzLYaBuywYktzKyT3d3L8nNk3BLkUvnFZ0Ezs1FOfyo79yp3odlXmEzukOR29ixImYnN724Ew== X-Received: by 2002:a2e:b702:: with SMTP id j2mr4960261ljo.354.1595021431429; Fri, 17 Jul 2020 14:30:31 -0700 (PDT) Received: from box.localdomain ([86.57.175.117]) by smtp.gmail.com with ESMTPSA id y24sm2091249lfy.49.2020.07.17.14.30.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Jul 2020 14:30:30 -0700 (PDT) Received: by box.localdomain (Postfix, from userid 1000) id A444C1021DF; Sat, 18 Jul 2020 00:30:26 +0300 (+03) Date: Sat, 18 Jul 2020 00:30:26 +0300 From: "Kirill A. Shutemov" To: James Jones Subject: Re: [PATCH] drm/nouveau: Accept 'legacy' format modifiers Message-ID: <20200717213026.eisp7qaf4ckskemx@box> References: <20200717185757.2786-1-jajones@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200717185757.2786-1-jajones@nvidia.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Vetter , Ben Skeggs , dri-devel , Nouveau Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri, Jul 17, 2020 at 11:57:57AM -0700, James Jones wrote: > Accept the DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK() > family of modifiers to handle broken userspace > Xorg modesetting and Mesa drivers. > > Tested with Xorg 1.20 modesetting driver, > weston@c46c70dac84a4b3030cd05b380f9f410536690fc, > gnome & KDE wayland desktops from Ubuntu 18.04, > and sway 1.5 > > Signed-off-by: James Jones I tried and it crashes. Not sure if it's related. [drm:drm_ioctl] pid=3327, dev=0xe200, auth=1, NOUVEAU_GEM_PUSHBUF [drm:vblank_disable_fn] disabling vblank on crtc 0 [drm:drm_ioctl] pid=3351, dev=0xe200, auth=1, NOUVEAU_GEM_PUSHBUF [drm:drm_ioctl] pid=3351, dev=0xe200, auth=1, NOUVEAU_GEM_CPU_PREP [drm:drm_ioctl] pid=3351, dev=0xe200, auth=1, NOUVEAU_GEM_PUSHBUF [drm:drm_ioctl] pid=3351, dev=0xe200, auth=1, NOUVEAU_GEM_PUSHBUF BUG: unable to handle page fault for address: 00000000ffff059c #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 13 PID: 3351 Comm: alacritty Tainted: G I 5.8.0-rc5-00191-g086f86c033f9 #53 Hardware name: Gigabyte Technology Co., Ltd. X299 AORUS Gaming 3 Pro/X299 AORUS Gaming 3 Pro-CF, BIOS F5d 11/28/2019 RIP: 0010:kmem_cache_alloc_trace (/home/kas/linux/torvalds/mm/slub.c:272 /home/kas/linux/torvalds/mm/slub.c:278 /home/kas/linux/torvalds/mm/slub.c:292 /home/kas/linux/torvalds/mm/slub.c:2791 /home/kas/linux/torvalds/mm/slub.c:2832 /home/kas/linux/torvalds/mm/slub.c:2849) Code: 8b 51 08 48 89 c8 65 48 03 05 d4 0e ca 70 48 8b 70 08 48 39 f2 75 e7 4c 8b 38 4d 85 ff 0f 84 8f 01 00 00 8b 45 20 48 8b 7d 00 <49> 8b 1c 07 40 f6 c7 0f 0f 85 95 01 00 00 48 8d 8a 80 00 00 00 4c All code ======== 0: 8b 51 08 mov 0x8(%rcx),%edx 3: 48 89 c8 mov %rcx,%rax 6: 65 48 03 05 d4 0e ca add %gs:0x70ca0ed4(%rip),%rax # 0x70ca0ee2 d: 70 e: 48 8b 70 08 mov 0x8(%rax),%rsi 12: 48 39 f2 cmp %rsi,%rdx 15: 75 e7 jne 0xfffffffffffffffe 17: 4c 8b 38 mov (%rax),%r15 1a: 4d 85 ff test %r15,%r15 1d: 0f 84 8f 01 00 00 je 0x1b2 23: 8b 45 20 mov 0x20(%rbp),%eax 26: 48 8b 7d 00 mov 0x0(%rbp),%rdi 2a:* 49 8b 1c 07 mov (%r15,%rax,1),%rbx <-- trapping instruction 2e: 40 f6 c7 0f test $0xf,%dil 32: 0f 85 95 01 00 00 jne 0x1cd 38: 48 8d 8a 80 00 00 00 lea 0x80(%rdx),%rcx 3f: 4c rex.WR Code starting with the faulting instruction =========================================== 0: 49 8b 1c 07 mov (%r15,%rax,1),%rbx 4: 40 f6 c7 0f test $0xf,%dil 8: 0f 85 95 01 00 00 jne 0x1a3 e: 48 8d 8a 80 00 00 00 lea 0x80(%rdx),%rcx 15: 4c rex.WR RSP: 0018:ffffa8a381bcfba0 EFLAGS: 00010206 RAX: 0000000000000030 RBX: ffff9c0b15e05e00 RCX: 000000000003fe50 RDX: 000000000000fc8d RSI: 000000000000fc8d RDI: 000000000003fe50 RBP: ffff9c0b18407840 R08: 0000000000000000 R09: 0000000000000001 R10: ffff9c0b06c28000 R11: 0000000000000001 R12: 0000000000000dc0 [drm:drm_ioctl] pid=3327, dev=0xe200, auth=1, DRM_IOCTL_CRTC_GET_SEQUENCE R13: 0000000000000060 R14: ffffffff8fa35a47 R15: 00000000ffff056c FS: 00007fbe7a8e3900(0000) GS:ffff9c0b1f880000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000ffff059c CR3: 000000103c7fe004 CR4: 00000000003606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nouveau_fence_new (/home/kas/linux/torvalds/include/linux/slab.h:555 /home/kas/linux/torvalds/include/linux/slab.h:669 /home/kas/linux/torvalds/drivers/gpu/drm/nouveau/nouveau_fence.c:423) [drm:drm_vblank_enable] enabling vblank on crtc 0, ret: 0 nouveau_gem_ioctl_pushbuf (/home/kas/linux/torvalds/drivers/gpu/drm/nouveau/nouveau_gem.c:852) [drm:drm_ioctl] pid=3327, dev=0xe200, auth=1, DRM_IOCTL_CRTC_QUEUE_SEQUENCE ? nouveau_gem_ioctl_new (/home/kas/linux/torvalds/drivers/gpu/drm/nouveau/nouveau_gem.c:680) ? drm_ioctl_kernel (/home/kas/linux/torvalds/drivers/gpu/drm/drm_ioctl.c:793) ? nouveau_gem_ioctl_new (/home/kas/linux/torvalds/drivers/gpu/drm/nouveau/nouveau_gem.c:680) drm_ioctl_kernel (/home/kas/linux/torvalds/drivers/gpu/drm/drm_ioctl.c:793) drm_ioctl (/home/kas/linux/torvalds/drivers/gpu/drm/drm_ioctl.c:888) ? nouveau_gem_ioctl_new (/home/kas/linux/torvalds/drivers/gpu/drm/nouveau/nouveau_gem.c:680) ? _raw_spin_unlock_irqrestore (/home/kas/linux/torvalds/arch/x86/include/asm/irqflags.h:41 /home/kas/linux/torvalds/arch/x86/include/asm/irqflags.h:84 /home/kas/linux/torvalds/include/linux/spinlock_api_smp.h:160 /home/kas/linux/torvalds/kernel/locking/spinlock.c:191) ? lockdep_hardirqs_on (/home/kas/linux/torvalds/kernel/locking/lockdep.c:3727 (discriminator 3)) ? _raw_spin_unlock_irqrestore (/home/kas/linux/torvalds/arch/x86/include/asm/preempt.h:102 /home/kas/linux/torvalds/include/linux/spinlock_api_smp.h:161 /home/kas/linux/torvalds/kernel/locking/spinlock.c:191) nouveau_drm_ioctl (/home/kas/linux/torvalds/drivers/gpu/drm/nouveau/nouveau_drm.c:1120) ksys_ioctl (/home/kas/linux/torvalds/fs/ioctl.c:48 /home/kas/linux/torvalds/fs/ioctl.c:753) __x64_sys_ioctl (/home/kas/linux/torvalds/fs/ioctl.c:762 /home/kas/linux/torvalds/fs/ioctl.c:760 /home/kas/linux/torvalds/fs/ioctl.c:760) do_syscall_64 (/home/kas/linux/torvalds/arch/x86/entry/common.c:384) entry_SYSCALL_64_after_hwframe (/home/kas/linux/torvalds/arch/x86/entry/entry_64.S:124) RIP: 0033:0x7fbe7ab9cd37 Code: Bad RIP value. Code starting with the faulting instruction =========================================== RSP: 002b:00007fff4c0cf0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fff4c0cf150 RCX: 00007fbe7ab9cd37 RDX: 00007fff4c0cf150 RSI: 00000000c0406481 RDI: 0000000000000009 RBP: 00000000c0406481 R08: 000055db823225e8 R09: 000055db8231b5e8 R10: 00007fbe79ce0920 R11: 0000000000000246 R12: 000055db823115e0 R13: 0000000000000009 R14: 000055db8230ffc0 R15: 000055db8230f380 Modules linked in: CR2: 00000000ffff059c ---[ end trace 9db4c132a431e9c9 ]--- RIP: 0010:kmem_cache_alloc_trace (/home/kas/linux/torvalds/mm/slub.c:272 /home/kas/linux/torvalds/mm/slub.c:278 /home/kas/linux/torvalds/mm/slub.c:292 /home/kas/linux/torvalds/mm/slub.c:2791 /home/kas/linux/torvalds/mm/slub.c:2832 /home/kas/linux/torvalds/mm/slub.c:2849) Code: 8b 51 08 48 89 c8 65 48 03 05 d4 0e ca 70 48 8b 70 08 48 39 f2 75 e7 4c 8b 38 4d 85 ff 0f 84 8f 01 00 00 8b 45 20 48 8b 7d 00 <49> 8b 1c 07 40 f6 c7 0f 0f 85 95 01 00 00 48 8d 8a 80 00 00 00 4c All code ======== 0: 8b 51 08 mov 0x8(%rcx),%edx 3: 48 89 c8 mov %rcx,%rax 6: 65 48 03 05 d4 0e ca add %gs:0x70ca0ed4(%rip),%rax # 0x70ca0ee2 d: 70 e: 48 8b 70 08 mov 0x8(%rax),%rsi 12: 48 39 f2 cmp %rsi,%rdx 15: 75 e7 jne 0xfffffffffffffffe 17: 4c 8b 38 mov (%rax),%r15 1a: 4d 85 ff test %r15,%r15 1d: 0f 84 8f 01 00 00 je 0x1b2 23: 8b 45 20 mov 0x20(%rbp),%eax 26: 48 8b 7d 00 mov 0x0(%rbp),%rdi 2a:* 49 8b 1c 07 mov (%r15,%rax,1),%rbx <-- trapping instruction 2e: 40 f6 c7 0f test $0xf,%dil 32: 0f 85 95 01 00 00 jne 0x1cd 38: 48 8d 8a 80 00 00 00 lea 0x80(%rdx),%rcx 3f: 4c rex.WR Code starting with the faulting instruction =========================================== 0: 49 8b 1c 07 mov (%r15,%rax,1),%rbx 4: 40 f6 c7 0f test $0xf,%dil 8: 0f 85 95 01 00 00 jne 0x1a3 e: 48 8d 8a 80 00 00 00 lea 0x80(%rdx),%rcx 15: 4c rex.WR RSP: 0018:ffffa8a381bcfba0 EFLAGS: 00010206 RAX: 0000000000000030 RBX: ffff9c0b15e05e00 RCX: 000000000003fe50 RDX: 000000000000fc8d RSI: 000000000000fc8d RDI: 000000000003fe50 RBP: ffff9c0b18407840 R08: 0000000000000000 R09: 0000000000000001 R10: ffff9c0b06c28000 R11: 0000000000000001 R12: 0000000000000dc0 R13: 0000000000000060 R14: ffffffff8fa35a47 R15: 00000000ffff056c FS: 00007fbe7a8e3900(0000) GS:ffff9c0b1f880000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000ffff059c CR3: 000000103c7fe004 CR4: 00000000003606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 3351, name: alacritty INFO: lockdep is turned off. irq event stamp: 302346 hardirqs last enabled at (302345): kfree_call_rcu (/home/kas/linux/torvalds/arch/x86/include/asm/irqflags.h:41 (discriminator 2) /home/kas/linux/torvalds/arch/x86/include/asm/irqflags.h:84 (discriminator 2) /home/kas/linux/torvalds/kernel/rcu/tree.c:3287 (discriminator 2)) hardirqs last disabled at (302346): idtentry_enter_cond_rcu (/home/kas/linux/torvalds/arch/x86/entry/common.c:652) softirqs last enabled at (302186): __do_softirq (/home/kas/linux/torvalds/arch/x86/include/asm/preempt.h:26 /home/kas/linux/torvalds/kernel/softirq.c:320) softirqs last disabled at (302175): asm_call_on_stack (/home/kas/linux/torvalds/arch/x86/entry/entry_64.S:719) CPU: 13 PID: 3351 Comm: alacritty Tainted: G D I 5.8.0-rc5-00191-g086f86c033f9 #53 Hardware name: Gigabyte Technology Co., Ltd. X299 AORUS Gaming 3 Pro/X299 AORUS Gaming 3 Pro-CF, BIOS F5d 11/28/2019 Call Trace: dump_stack (/home/kas/linux/torvalds/lib/dump_stack.c:120) ___might_sleep.cold (/home/kas/linux/torvalds/kernel/sched/core.c:6900) exit_signals (/home/kas/linux/torvalds/include/linux/percpu-rwsem.h:51 /home/kas/linux/torvalds/include/linux/cgroup-defs.h:733 /home/kas/linux/torvalds/kernel/signal.c:2828) do_exit (/home/kas/linux/torvalds/kernel/exit.c:764) ? ksys_ioctl (/home/kas/linux/torvalds/fs/ioctl.c:48 /home/kas/linux/torvalds/fs/ioctl.c:753) rewind_stack_do_exit (/home/kas/linux/torvalds/arch/x86/entry/thunk_64.S:40) RIP: 0033:0x7fbe7ab9cd37 Code: Bad RIP value. Code starting with the faulting instruction =========================================== RSP: 002b:00007fff4c0cf0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fff4c0cf150 RCX: 00007fbe7ab9cd37 RDX: 00007fff4c0cf150 RSI: 00000000c0406481 RDI: 0000000000000009 RBP: 00000000c0406481 R08: 000055db823225e8 R09: 000055db8231b5e8 R10: 00007fbe79ce0920 R11: 0000000000000246 R12: 000055db823115e0 R13: 0000000000000009 R14: 000055db8230ffc0 R15: 000055db8230f380 -- Kirill A. Shutemov _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel