From owner-freebsd-current@freebsd.org Wed Feb 3 08:42:27 2021 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 0E2DE52FA66; Wed, 3 Feb 2021 08:42:27 +0000 (UTC) (envelope-from agapon@gmail.com) Received: from mail-lf1-f43.google.com (mail-lf1-f43.google.com [209.85.167.43]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DVwD22cq9z3nB0; Wed, 3 Feb 2021 08:42:26 +0000 (UTC) (envelope-from agapon@gmail.com) Received: by mail-lf1-f43.google.com with SMTP id d3so6163873lfg.10; Wed, 03 Feb 2021 00:42:26 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:newsgroups:references:from:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=UHlRdgHvAXEEhCWIM3yTYHwOJRKNo0nP4G/EvHmrKfI=; b=n1oCpOJ2AgAiGtbG3YSwYbCRUWBEzAvXEqMDcvZRsVyoBEJGDHfmalrd1FWXiZJ/9r mG9MJQpuUucrJVSB/H4jI1xG0vduyrY6cPcBGoZVlrreZJs5rMvMkFI9uVgNmSxrYRc5 bkYDXV61GIMxhWzHalEncBrmnP1BSuCeB3uMSb1Fu5sixiB3Pbf1CGuiRhGF9pckzNKI WPJ3RkdU+bhIDrIRtD1yjRfIWu9QKTZJdm2NzKpTtxEWHEHzlXoWcoqAh5zEcX1s0Z8b zOsOpBpoctbhdVcpbAjX1STdFPtp3cXyYKZD+bAPJmmipXPB8LF90soMIyTHDamhWnXk CzvA== X-Gm-Message-State: AOAM531oIkAbAw/v/8Kv7+tB0PLStO8TUQKP6Ex3aRaTf10ElRSl3+eQ qt6IioCRxiqA6o+5ucGswrmpRdD/qmcsYQ== X-Google-Smtp-Source: ABdhPJzzLUGK2mv5IU+Mf0j++m5OLoRek875Vp6IejUXZ24LAuErTSeiC/zkVP3du1K+DAzWaMIC1Q== X-Received: by 2002:ac2:54a8:: with SMTP id w8mr1134299lfk.393.1612341744436; Wed, 03 Feb 2021 00:42:24 -0800 (PST) Received: from [192.168.0.88] ([195.64.148.76]) by smtp.googlemail.com with ESMTPSA id i78sm168794lfi.263.2021.02.03.00.42.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Feb 2021 00:42:23 -0800 (PST) Subject: Re: panic in drm or vt or deadlock on mutex or ... To: Steve Kargl , freebsd-current@freebsd.org, freebsd-x11@freebsd.org Newsgroups: gmane.os.freebsd.current,gmane.os.freebsd.devel.x11 References: <20210203050828.GA21823@troutmask.apl.washington.edu> From: Andriy Gapon Message-ID: <4581b83f-e048-fb8b-edfe-44332d3dc460@FreeBSD.org> Date: Wed, 3 Feb 2021 10:42:21 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Firefox/60.0 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20210203050828.GA21823@troutmask.apl.washington.edu> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4DVwD22cq9z3nB0 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of agapon@gmail.com designates 209.85.167.43 as permitted sender) smtp.mailfrom=agapon@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17:c]; RCVD_COUNT_THREE(0.00)[3]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FORGED_SENDER(0.30)[avg@FreeBSD.org,agapon@gmail.com]; MIME_TRACE(0.00)[0:+]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MID_RHS_MATCH_FROM(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[209.85.167.43:from]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_NEQ_ENVFROM(0.00)[avg@FreeBSD.org,agapon@gmail.com]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[FreeBSD.org]; SPAMHAUS_ZRD(0.00)[209.85.167.43:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[209.85.167.43:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.167.43:from]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-x11,freebsd-current] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Feb 2021 08:42:27 -0000 On 03/02/2021 07:08, Steve Kargl wrote: > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 00 > fault virtual address = 0xccccc374 > fault code = supervisor read data, page not present > instruction pointer = 0x20:0xef411f > stack pointer = 0x28:0x4074e97c > frame pointer = 0x28:0x4074e988 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 91696 (chrome) > trap number = 12 ... > panic: page fault > cpuid = 0 > time = 1612328062 > KDB: stack backtrace: > db_trace_self_wrapper(2,4074e93c,c,0,4074e800,...) at db_trace_self_wrapper+0x28/frame 0x4074e7d4 > vpanic(f9d603,4074e80c,4074e80c,4074e834,f6e2b7,...) at vpanic+0x11a/frame 0x4074e7ec > panic(f9d603,fe16b8,0,fffff,ccccc39b,...) at panic+0x14/frame 0x4074e800 > trap_fatal(1327100,0,c95893,78f03f4,4074e860,...) at trap_fatal+0x347/frame 0x4074e834 > trap_pfault(ccccc374,0,0) at trap_pfault+0x30/frame 0x4074e864 > trap(4074e93c,8,28,28,0,...) at trap+0x381/frame 0x4074e930 > calltrap() at 0xffc0319f/frame 0x4074e930 > --- trap 0xc, eip = 0xef411f, esp = 0x4074e97c, ebp = 0x4074e988 --- > vm_radix_lookup(28c7b884,2,0) at vm_radix_lookup+0x7f/frame 0x4074e988 > vm_page_lookup(28c7b854,2,0) at vm_page_lookup+0x15/frame 0x4074e99c > vm_fault(24ed8d58,3488b000,2,0,4074eab0) at vm_fault+0x839/frame 0x4074ea48 > vm_fault_quick_hold_pages(24ed8d58,34889f00,8000,2,4074eaa8,12) at vm_fault_quick_hold_pages+0x122/frame 0x4074ea88 > vn_io_fault1(247f4380) at vn_io_fault1+0x214/frame 0x4074eb44 > vn_io_fault(2f5a58e8,4074ebc8,262c1e00,0,247f4380) at vn_io_fault+0x1c4/frame 0x4074eb7c > dofileread(2f5a58e8,4074ebc8,ffffffff,ffffffff,0) at dofileread+0x6d/frame 0x4074ebac > sys_read(247f4380,247f4618,343fb000,247f4380,40516068,...) at sys_read+0x67/frame 0x4074ec00 > syscall(4074ece8,3b,3b,3b,2d130d1c,...) at syscall+0x17d/frame 0x4074ecdc > Xint0x80_syscall() at 0xffc033f9/frame 0x4074ecdc > --- syscall (881410048), eip = 0x2d086faf, esp = 0xfa1e339c, ebp = 0xfa1e33c8 --- > KDB: enter: panic This is the crash. The DRM mutex noise is just noise (but it would be good to get rid of it). -- Andriy Gapon