From owner-freebsd-x11@freebsd.org Tue Feb 9 06:32:59 2021 Return-Path: Delivered-To: freebsd-x11@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 6D1BE53243E; Tue, 9 Feb 2021 06:32:59 +0000 (UTC) (envelope-from agh@riseup.net) Received: from mx1.riseup.net (mx1.riseup.net [198.252.153.129]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.riseup.net", Issuer "Sectigo RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DZY3t4kFcz4XZ7; Tue, 9 Feb 2021 06:32:58 +0000 (UTC) (envelope-from agh@riseup.net) Received: from fews2.riseup.net (fews2-pn.riseup.net [10.0.1.84]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client CN "*.riseup.net", Issuer "Sectigo RSA Domain Validation Secure Server CA" (not verified)) by mx1.riseup.net (Postfix) with ESMTPS id 4DZY3n2VpWzFfYd; Mon, 8 Feb 2021 22:32:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1612852373; bh=ntSriELO7Wlkp+rDbWRbM7xdrZytdGr95s3DGYTASKU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=CJEYetcNc8hoeksPCINXrh9Jt+6eqPj2GAdgbkWv4HNE1toJvYSjbHvpgzwSpfwDn yLbyoWC/JnSM5MU57JRXmzJTEWsaNZoHkiEbvtowlUoVLaccdP7gPA34xVuYWTaqaf 1OUIoBWvT5AeppmpCprViPawJfD0ItZ7N68AEuAY= X-Riseup-User-ID: 2B265F1CBCE3DBBF6862F848B281399199726687BBAE83EF44BD97D62861A79D Received: from [127.0.0.1] (localhost [127.0.0.1]) by fews2.riseup.net (Postfix) with ESMTPSA id 4DZY3j3GhPz1xqV; Mon, 8 Feb 2021 22:32:49 -0800 (PST) MIME-Version: 1.0 Date: Mon, 08 Feb 2021 22:32:49 -0800 From: Alastair Hogge To: Hans Petter Selasky Cc: Emmanuel Vadot , Steve Kargl , Andriy Gapon , freebsd-current@freebsd.org, freebsd-x11@freebsd.org Subject: Re: panic in drm or vt or deadlock on mutex or ... 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On 2021-02-09 14:25, Alastair Hogge wrote: > On 2021-02-08 21:01, Hans Petter Selasky wrote: >> On 2/8/21 1:53 PM, Alastair Hogge wrote: >>> Boot to multi-user; login (getty): >>> $ doas kldload /boot/modules/amdgpu.ko >>> $ sysctl >>> [panic] >>> >>> ..is a guaranteed way to panic my system. >> >> Hi, >> >> Maybe you could do a hack and edit the sysctl source code: >> >> 1) print the sysctl before it is queried. >> 2) sleep 1 second between print and query. >> >> Should be easy to nail this down! > > This is all I am able to catch via the ssh session: > vm.uma.sackhole.size: 32 > vm.uma.hostcache.stats.xdomain: 0 > vm.uma.hostcache.stats.fails: 0 > vm.uma.hostcache.stats.frees: 0 > vm.uma.hostcache.stats.allocs: 0 > vm.uma.hostcache.stats.current: 0 > vm.uma.hostcache.domain.0.wss: 0 > vm.uma.hostcache.domain.0.imin: 0 > vm.uma.hostcache.domain.0.imax: 0 > vm.uma.hostcache.domain.0.nitems: 0 > vm.uma.hostcache.limit.bucket_max: 7680 > vm.uma.hostcache.limit.sleeps: 0 > vm.uma.hostcache.limit.sleepers: 0 > vm.uma.hostcache.limit.max_items: 15360 > vm.uma.hostcache.limit.items: 0 > vm.uma.hostcache.keg.domain.0.free_items: 0 > vm.uma.hostcache.keg.domain.0.pages: 0 > vm.uma.hostcache.keg.efficiency: 98 > vm.uma.hostcache.keg.reserve: 0 > vm.uma.hostcache.keg.align: 7 > vm.uma.hostcache.keg.ipers: 42 > vm.uma.hostcache.keg.ppera: 1 > vm.uma.hostcache.keg.rsize: 96 > vm.uma.hostcache.keg.name: hostcache > vm.uma.hostcache.bucket_size_max: 120 > vm.uma.hostcache.bucket_size: 120 > vm.uma.hostcache.flags: 0x43010000 > vm.uma.hostcache.size: 96 > vm.uma.syncache.stats.xdomain: 0 > vm.uma.syncache.stats.fails: 0 > vm.uma.syncache.stats.frees: 1 > vm.uma.syncache.stats.allocs: 1 > vm.uma.syncache.stats.current: 0 > vm.uma.syncache.domain.0.wss: 3 > vm.uma.syncache.domain.0.imin: 0 > vm.uma.syncache.domain.0.imax: 0 > vm.uma.syncache.domain.0.nitems: 0