From owner-freebsd-current@freebsd.org Sun May 22 13:58:27 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A1EA5B451B1 for ; Sun, 22 May 2016 13:58:27 +0000 (UTC) (envelope-from imb@protected-networks.net) Received: from mail.auburn.protected-networks.net (mail.auburn.protected-networks.net [IPv6:2001:470:1f07:4e1::3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.auburn.protected-networks.net", Issuer "Protected Networks Root CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 7687019E6 for ; Sun, 22 May 2016 13:58:27 +0000 (UTC) (envelope-from imb@protected-networks.net) Received: from toshi.auburn.protected-networks.net (toshi.auburn.protected-networks.net [192.168.1.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) (Authenticated sender: imb@mail.auburn.protected-networks.net) by mail.auburn.protected-networks.net (Postfix) with ESMTPSA id 7EFE71CC37 for ; Sun, 22 May 2016 09:58:17 -0400 (EDT) To: freebsd-current From: Michael Butler Subject: repeatable panic on pageout with 945GM Openpgp: id=6F63E6399DCC8E3E94D60F0642FF6BAE0442D492 Message-ID: <2490f1c7-8153-ece3-49ed-4b3886564fd7@protected-networks.net> Date: Sun, 22 May 2016 09:58:16 -0400 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 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: Sun, 22 May 2016 13:58:27 -0000 With KDE and compositing enabled, I randomly get the following: (kgdb) info stack #0 doadump (textdump=) at pcpu.h:221 #1 0xffffffff8064e98e in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:366 #2 0xffffffff8064eea1 in vpanic (fmt=, ap=) at /usr/src/sys/kern/kern_shutdown.c:759 #3 0xffffffff8064ed13 in panic (fmt=0x0) at /usr/src/sys/kern/kern_shutdown.c:690 #4 0xffffffff809d18ed in vm_fault_hold (map=, vaddr=, fault_type=, fault_flags=, m_hold=) at /usr/src/sys/vm/vm_fault.c:327 #5 0xffffffff809cf548 in vm_fault (map=0xfffff80002000000, vaddr=, fault_type=1 '\001', fault_flags=) at /usr/src/sys/vm/vm_fault.c:273 #6 0xffffffff80a1849f in trap_pfault (frame=, usermode=0) at /usr/src/sys/amd64/amd64/trap.c:741 #7 0xffffffff80a17b30 in trap (frame=0xfffffe00dbec5830) at /usr/src/sys/amd64/amd64/trap.c:442 #8 0xffffffff809fd5a1 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:236 #9 0xffffffff80a0a3bb in pmap_remove_all (m=) at /usr/src/sys/amd64/amd64/pmap.c:3950 #10 0xffffffff809c0c57 in cdev_pager_free_page (object=, m=0xfffffe0001e410d0) at /usr/src/sys/vm/device_pager.c:214 #11 0xffffffff816aff33 in i915_gem_release_mmap (obj=) at /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_gem.c:1691 #12 0xffffffff816b104b in i915_gem_object_unbind (obj=0xfffff8008ef11400) at /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_gem.c:2738 #13 0xffffffff816b47c8 in __i915_gem_shrink (dev_priv=, target=-1, purgeable_only=) at /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_gem.c:2056 #14 0xffffffff816b3f47 in i915_gem_inactive_shrink (arg=) at /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_gem.c:4755 #15 0xffffffff809ec628 in vm_pageout () at /usr/src/sys/vm/vm_pageout.c:899 #16 0xffffffff80609dcc in fork_exit (callout=0xffffffff809ec260 , arg=0x0, frame=0xfffffe00dbec5c00) at /usr/src/sys/kern/kern_fork.c:1034 #17 0xffffffff809fdade in fork_trampoline () at /usr/src/sys/amd64/amd64/exception.S:611 #18 0x0000000000000000 in ?? () Any hints? imb