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Thu, 2 Jun 2016 19:32:27 -0400 (EDT) Subject: Re: repeatable panic on pageout with 945GM To: freebsd-current@freebsd.org References: <2490f1c7-8153-ece3-49ed-4b3886564fd7@protected-networks.net> From: Michael Butler Openpgp: id=6F63E6399DCC8E3E94D60F0642FF6BAE0442D492 Message-ID: <205d4423-b834-9a21-785f-fa15d44c78ec@protected-networks.net> Date: Thu, 2 Jun 2016 19:32:26 -0400 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 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: Thu, 02 Jun 2016 23:32:37 -0000 On 05/23/16 21:10, Michael Butler wrote: > On 05/22/16 09:58, Michael Butler wrote: >> 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=> optimized out>) 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=> optimized out>, 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=> out>, m=0xfffffe0001e410d0) at /usr/src/sys/vm/device_pager.c:214 >> #11 0xffffffff816aff33 in i915_gem_release_mmap (obj=) at pcpu.h:221 #1 0xffffffff805cfe9a in kern_reboot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:366 #2 0xffffffff805d03e1 in vpanic (fmt=, ap=) at /usr/src/sys/kern/kern_shutdown.c:759 #3 0xffffffff805d0253 in panic (fmt=0x0) at /usr/src/sys/kern/kern_shutdown.c:690 #4 0xffffffff8096c56e in vm_fault_hold (map=, vaddr=, fault_type=, fault_flags=, m_hold=) at /usr/src/sys/vm/vm_fault.c:327 #5 0xffffffff80969f78 in vm_fault (map=0xfffff80002000000, vaddr=, fault_type=1 '\001', fault_flags=) at /usr/src/sys/vm/vm_fault.c:273 #6 0xffffffff809b556f in trap_pfault (frame=, usermode=0) at /usr/src/sys/amd64/amd64/trap.c:741 #7 0xffffffff809b4c00 in trap (frame=0xfffffe00dc0ef310) at /usr/src/sys/amd64/amd64/trap.c:442 #8 0xffffffff80999d81 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:236 #9 0xffffffff809a6d4e in pmap_remove_all (m=) at /usr/src/sys/amd64/amd64/pmap.c:3950 #10 0xffffffff8095ab7b in cdev_pager_free_page (object=, m=0xfffffe0001e2c270) 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 0xffffffff816b15ba in i915_gem_object_get_fence (obj=) at /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_gem.c:105 #13 0xffffffff816b7f2e in i915_gem_execbuffer_reserve_object (obj=0xfffff8009858f200, ring=) at /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_gem_execbuffer.c:368 #14 0xffffffff816b7d8f in i915_gem_execbuffer_reserve () at /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_gem_execbuffer.c:491 #15 0xffffffff816b6bb5 in i915_gem_do_execbuffer () at /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_gem_execbuffer.c:1036 #16 0xffffffff816b7ad1 in i915_gem_execbuffer2 (dev=0xfffff800059e9000, data=0xfffffe00dc0efa20, file=0xfffff80005db4a00) at /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_gem_execbuffer.c:1273 #17 0xffffffff812c7eae in drm_ioctl (kdev=, cmd=, data=0xfffffe00dc0efa20 "", flags=, p=) at /usr/src/sys/modules/drm2/drm2/../../../dev/drm2/drm_drv.c:467 #18 0xffffffff804c721f in devfs_ioctl_f (fp=0xfffff800afba1550, com=2151703657, data=0xfffffe00dc0efa20, cred=0xfffff800af2dc800, td=0xfffff80005e2ca00) at /usr/src/sys/fs/devfs/devfs_vnops.c:815 #19 0xffffffff806377fe in kern_ioctl (td=, fd=, com=, data=0xfffffe00dc0efa20 "") at file.h:327 #20 0xffffffff80637481 in sys_ioctl (td=0xfffff80005e2ca00, uap=0xfffffe00dc0efb80) at /usr/src/sys/kern/sys_generic.c:743 #21 0xffffffff809b5e79 in amd64_syscall (td=, traced=0) at subr_syscall.c:135 #22 0xffffffff8099a06b in Xfast_syscall () at /usr/src/sys/amd64/amd64/exception.S:396 #23 0x00000008024f57ca in ?? () Previous frame inner to this frame (corrupt stack?) Current language: auto; currently minimal Any hints welcome, imb