From adamk@voicenet.com Sat May 7 01:03:19 2005 Return-Path: Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 84C5216A4D4 for ; Sat, 7 May 2005 01:03:19 +0000 (GMT) Received: from chons.visualtech.com (b.mx.visualtech.com [208.16.19.9]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7EC6B43D8F for ; Sat, 7 May 2005 01:03:18 +0000 (GMT) (envelope-from adamk@voicenet.com) Received: from [192.168.0.101] (pcp04364354pcs.glstrt01.nj.comcast.net [68.44.156.246]) by chons.visualtech.com (Postfix) with ESMTP id 2816E4DE4 for ; Fri, 6 May 2005 21:03:12 -0400 (EDT) Message-Id: <427C13D3.4090705@voicenet.com> Date: Fri, 06 May 2005 21:03:15 -0400 From: Adam K Kirchhoff To: FreeBSD-gnats-submit@freebsd.org Subject: DRM 1.16.0 + SMP causes an instant reboot when launching X >Number: 80718 >Category: kern >Synopsis: DRM 1.16.0 + SMP causes an instant reboot when launching X >Confidential: no >Severity: serious >Priority: medium >Responsible: anholt >State: closed >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat May 07 01:10:01 GMT 2005 >Closed-Date: Tue Jun 28 21:38:38 GMT 2005 >Last-Modified: Tue Jun 28 21:38:38 GMT 2005 >Originator: Adam K Kirchhoff >Release: FreeBSD 6.0-CURRENT i386 >Organization: >Environment: System: FreeBSD sorrow.ashke.com 6.0-CURRENT FreeBSD 6.0-CURRENT #0: Thu May 5 21:03:38 EDT 2005 root@sorrow.ashke.com:/usr/obj/usr >Description: On -CURRENT, launching X with DRI enabled on an SMP kernel causes a kernel crash. This also happens with -STABLE and DRM 1.16.0. Serial console (from -CURRENT) output shows: drm0: port 0xb000-0xb0ff mem 0xd0000000-0xdfffffff,0xe9000000-0xe900ffff irq 16 at device 0.0 on pci1 info: [drm] AGP at 0xe0000000 128MB info: [drm] Initialized radeon 1.16.0 20050311 on minor 0 panic: pmap_mapdev: Couldn't alloc kernel virtual memory cpuid = 1 Uptime: 49s Cannot dump. No dump device defined. Automatic reboot in 15 seconds - press a key on the console to abort Using a UP kernel works! >How-To-Repeat: Upgrade to -CURRENT on an SMP machine with DRI enabled on a radeon. Launch X. >Fix: Unknown >Release-Note: >Audit-Trail: Responsible-Changed-From-To: gnats-admin->freebsd-bugs Responsible-Changed-By: linimon Responsible-Changed-When: Sat May 7 06:36:53 GMT 2005 Responsible-Changed-Why: Rescue this PR from the 'pending' category. http://www.freebsd.org/cgi/query-pr.cgi?pr=80718 Responsible-Changed-From-To: freebsd-bugs->anholt Responsible-Changed-By: kris Responsible-Changed-When: Tue May 10 23:56:22 GMT 2005 Responsible-Changed-Why: Assign to DRM maintainer http://www.freebsd.org/cgi/query-pr.cgi?pr=80718 From: Eric Anholt To: gnats Cc: Subject: Re: kern/80718 Date: Wed, 11 May 2005 23:16:22 -0700 I recall the panic in IRC referencing vm_thread_new(). What is the relation of that panic to this one? This one appears to be a dupe of i386/77189. The solution to that one is to not map the framebuffer. I don't know why we are, and I'm also not sure why it would have recently become an issue (unless I botched something with initmap changes). -- Eric Anholt eta@lclark.edu http://people.freebsd.org/~anholt/ anholt@FreeBSD.org From: Eric Anholt To: gnats Cc: Subject: Re: kern/80718 Date: Fri, 24 Jun 2005 11:27:04 -0700 --=-albrxlfnqAjpKWq9wTVO Content-Type: text/plain Content-Transfer-Encoding: 7bit As discussed on IRC, I've proposed a patch to fix this: http://people.freebsd.org/~anholt/drm-initmap-mapping.diff and attached. X starts on my testbox with this patch, and I think it should fix the issue, but I haven't run any dri clients (libpthread is hosed on this box) and I don't have a 128MB radeon to test with. -- Eric Anholt eta@lclark.edu http://people.freebsd.org/~anholt/ anholt@FreeBSD.org --=-albrxlfnqAjpKWq9wTVO Content-Disposition: attachment; filename=drm-initmap-mapping.diff Content-Transfer-Encoding: base64 Content-Type: text/x-patch; name=drm-initmap-mapping.diff; charset=ISO-8859-1 SW5kZXg6IGRldi9kcm0vZHJtX2J1ZnMuYw0KPT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQ0KUkNTIGZpbGU6IC9ob21lL25j dnMvc3JjL3N5cy9kZXYvZHJtL2RybV9idWZzLmMsdg0KcmV0cmlldmluZyByZXZpc2lvbiAxLjIN CmRpZmYgLXUgLXIxLjIgZHJtX2J1ZnMuYw0KLS0tIGRldi9kcm0vZHJtX2J1ZnMuYwkyNCBBcHIg MjAwNSAxOTowMzozMiAtMDAwMAkxLjINCisrKyBkZXYvZHJtL2RybV9idWZzLmMJMjQgSnVuIDIw MDUgMTY6Mzc6MDggLTAwMDANCkBAIC05Niw3ICs5Niw2IEBADQogCQl1bnNpZ25lZCBpbnQgcmVz b3VyY2UsIGludCB0eXBlLCBpbnQgZmxhZ3MpDQogew0KIAlkcm1fbG9jYWxfbWFwX3QgKm1hcDsN Ci0Jc3RydWN0IHJlc291cmNlICpic3I7DQogDQogCWlmICh0eXBlICE9IF9EUk1fUkVHSVNURVJT ICYmIHR5cGUgIT0gX0RSTV9GUkFNRV9CVUZGRVIpDQogCQlyZXR1cm4gRUlOVkFMOw0KQEAgLTEw NywyOCArMTA2LDI5IEBADQogCWlmIChtYXAgPT0gTlVMTCkNCiAJCXJldHVybiBFTk9NRU07DQog DQotCW1hcC0+cmlkID0gcmVzb3VyY2UgKiA0ICsgMHgxMDsNCi0JYnNyID0gYnVzX2FsbG9jX3Jl c291cmNlX2FueShkZXYtPmRldmljZSwgU1lTX1JFU19NRU1PUlksICZtYXAtPnJpZCwNCi0JICAg IFJGX0FDVElWRSB8IFJGX1NIQVJFQUJMRSk7DQotCWlmIChic3IgPT0gTlVMTCkgew0KLQkJRFJN X0VSUk9SKCJDb3VsZG4ndCBhbGxvY2F0ZSAlcyByZXNvdXJjZVxuIiwNCi0JCSAgICAoKHR5cGUg PT0gX0RSTV9SRUdJU1RFUlMpID8gIm1taW8iIDogImZyYW1lYnVmZmVyIikpOw0KLQkJZnJlZSht YXAsIE1fRFJNKTsNCi0JCXJldHVybiBFTk9NRU07DQorCWlmICh0eXBlID09IF9EUk1fUkVHSVNU RVJTKSB7DQorCQlzdHJ1Y3QgcmVzb3VyY2UgKmJzcjsNCisJCW1hcC0+cmlkID0gcmVzb3VyY2Ug KiA0ICsgMHgxMDsNCisJCWJzciA9IGJ1c19hbGxvY19yZXNvdXJjZV9hbnkoZGV2LT5kZXZpY2Us IFNZU19SRVNfTUVNT1JZLCAmbWFwLT5yaWQsDQorCQkgICAgUkZfQUNUSVZFIHwgUkZfU0hBUkVB QkxFKTsNCisJCWlmIChic3IgPT0gTlVMTCkgew0KKwkJCURSTV9FUlJPUigiQ291bGRuJ3QgYWxs b2NhdGUgJXMgcmVzb3VyY2VcbiIsDQorCQkJICAgICgodHlwZSA9PSBfRFJNX1JFR0lTVEVSUykg PyAibW1pbyIgOiAiZnJhbWVidWZmZXIiKSk7DQorCQkJZnJlZShtYXAsIE1fRFJNKTsNCisJCQly ZXR1cm4gRU5PTUVNOw0KKwkJfQ0KKwkJbWFwLT5ic3IgPSBic3I7DQorCQltYXAtPmJzdCA9IHJt YW5fZ2V0X2J1c3RhZyhic3IpOw0KKwkJbWFwLT5ic2ggPSBybWFuX2dldF9idXNoYW5kbGUoYnNy KTsNCisJCW1hcC0+aGFuZGxlID0gcm1hbl9nZXRfdmlydHVhbChic3IpOw0KIAl9DQogDQogCW1h cC0+a2VybmVsX293bmVkID0gMTsNCiAJbWFwLT50eXBlID0gdHlwZTsNCiAJbWFwLT5mbGFncyA9 IGZsYWdzOw0KLQltYXAtPmJzciA9IGJzcjsNCi0JbWFwLT5ic3QgPSBybWFuX2dldF9idXN0YWco YnNyKTsNCi0JbWFwLT5ic2ggPSBybWFuX2dldF9idXNoYW5kbGUoYnNyKTsNCiAJbWFwLT5vZmZz ZXQgPSBzdGFydDsNCiAJbWFwLT5zaXplID0gbGVuOw0KIA0KLQlpZiAodHlwZSA9PSBfRFJNX1JF R0lTVEVSUykNCi0JCW1hcC0+aGFuZGxlID0gcm1hbl9nZXRfdmlydHVhbChic3IpOw0KLQ0KIAlE Uk1fREVCVUcoImluaXRtYXAgJWQsMHgleEAweCVseC8weCVseFxuIiwgbWFwLT50eXBlLCBtYXAt PmZsYWdzLA0KIAkgICAgbWFwLT5vZmZzZXQsIG1hcC0+c2l6ZSk7DQogDQo= --=-albrxlfnqAjpKWq9wTVO-- State-Changed-From-To: open->closed State-Changed-By: anholt State-Changed-When: Tue Jun 28 21:38:20 GMT 2005 State-Changed-Why: This should be fixed on -current. Thanks for all the testing! http://www.freebsd.org/cgi/query-pr.cgi?pr=80718 >Unformatted: