From owner-freebsd-bugs@FreeBSD.ORG Fri Jan 7 10:40:01 2011 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B1DDE1065672 for ; Fri, 7 Jan 2011 10:40:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 74A1E8FC16 for ; Fri, 7 Jan 2011 10:40:01 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p07Ae163024184 for ; Fri, 7 Jan 2011 10:40:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p07Ae11W024183; Fri, 7 Jan 2011 10:40:01 GMT (envelope-from gnats) Resent-Date: Fri, 7 Jan 2011 10:40:01 GMT Resent-Message-Id: <201101071040.p07Ae11W024183@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, James Butler Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 29E89106564A for ; Fri, 7 Jan 2011 10:37:01 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (unknown [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id 197F28FC13 for ; Fri, 7 Jan 2011 10:37:01 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.4/8.14.4) with ESMTP id p07Ab0SO038467 for ; Fri, 7 Jan 2011 10:37:00 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.4/8.14.4/Submit) id p07Ab09W038466; Fri, 7 Jan 2011 10:37:00 GMT (envelope-from nobody) Message-Id: <201101071037.p07Ab09W038466@red.freebsd.org> Date: Fri, 7 Jan 2011 10:37:00 GMT From: James Butler To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/153757: Kernel panic using openchrome Xorg driver on 9-CURRENT X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Jan 2011 10:40:01 -0000 >Number: 153757 >Category: kern >Synopsis: Kernel panic using openchrome Xorg driver on 9-CURRENT >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Jan 07 10:40:01 UTC 2011 >Closed-Date: >Last-Modified: >Originator: James Butler >Release: 9-CURRENT >Organization: >Environment: FreeBSD multivac.local 9.0-CURRENT FreeBSD 9.0-CURRENT #2: Fri Jan 7 22:06:43 NZDT 2011 james@multivac.local:/usr/obj/usr/src/sys/GENERIC amd64 >Description: Machine is a (crappy) VIA A8V-MX motherboard with K8M800 IGP. I built and installed CURRENT to try the newish via drm bits, but starting X with the openchrome driver results in the following panic: lock "via_blit_lk" 0xffffff80006b4de8 already initialized with the backtrace: db:0:kdb.enter.panic> bt Tracing pid 2613 tid 100108 td 0xfffffe0002d59000 kdb_enter() at kdb_enter+0x3d panic() at panic+0x180 lock_init() at lock_init+0x6a via_init_dmablit() at via_init_dmablit+0xc3 via_map_init() at via_map_init+0x146 drm_ioctl() at drm_ioctl+0x2f2 devfs_ioctl_f() at devfs_ioctl_f+0x7a kern_ioctl() at kern_ioctl+0xbe ioctl() at ioctl+0xfd syscallenter() at syscallenter+0x1aa syscall() at syscall+0x4c Xfast_syscall() at Xfast_syscall+0xe2 >How-To-Repeat: On my K8M800-based machine: Install the port x11-drivers/xf86-video-openchrome Start Xorg >Fix: Two workarounds I know of: * Downgrade to 8.x * Use the vesa driver >Release-Note: >Audit-Trail: >Unformatted: