From owner-freebsd-current@freebsd.org Thu Oct 3 07:18:25 2019 Return-Path: Delivered-To: freebsd-current@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 8B70212AAE5 for ; Thu, 3 Oct 2019 07:18:25 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [IPv6:2a01:4f8:c17:6c4b::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 46kPVm3YVVz3DQt for ; Thu, 3 Oct 2019 07:18:24 +0000 (UTC) (envelope-from hps@selasky.org) Received: from hps2016.home.selasky.org (unknown [62.141.129.235]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 9F9E92602FE; Thu, 3 Oct 2019 09:18:20 +0200 (CEST) Subject: Re: radeon panics kernels To: sgk@troutmask.apl.washington.edu, freebsd-current@freebsd.org, Johannes Lundberg References: <20191002211946.GA1031@troutmask.apl.washington.edu> From: Hans Petter Selasky Message-ID: Date: Thu, 3 Oct 2019 09:17:32 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.1.0 MIME-Version: 1.0 In-Reply-To: <20191002211946.GA1031@troutmask.apl.washington.edu> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 46kPVm3YVVz3DQt X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 2a01:4f8:c17:6c4b::2 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-4.89 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[selasky.org]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; IP_SCORE(-2.59)[ip: (-9.11), ipnet: 2a01:4f8::/29(-2.04), asn: 24940(-1.80), country: DE(-0.01)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/29, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 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, 03 Oct 2019 07:18:25 -0000 On 2019-10-02 23:19, Steve Kargl wrote: > troutmask.apl.washington.edu dumped core - see /var/crash/vmcore.7 > > Wed Oct 2 14:12:38 PDT 2019 > This looks like a simple NULL pointer. Can you re-compile the drm ports module with debugging symbols and then reproduce? --HPS > FreeBSD troutmask.apl.washington.edu 13.0-CURRENT FreeBSD 13.0-CURRENT r352812 HPC amd64 > > panic: page fault > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 10 > fault virtual address = 0x0 > fault code = supervisor write data, page not present > instruction pointer = 0x20:0xffffffff8177ba1c > stack pointer = 0x28:0xfffffe00b437ff50 > frame pointer = 0x28:0xfffffe00b437ff70 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 782 (X:rcs0) > trap number = 12 > panic: page fault > cpuid = 0 > time = 1570050659 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00b437fc00 > vpanic() at vpanic+0x19d/frame 0xfffffe00b437fc50 > panic() at panic+0x43/frame 0xfffffe00b437fcb0 > trap_fatal() at trap_fatal+0x394/frame 0xfffffe00b437fd10 > trap_pfault() at trap_pfault+0x4f/frame 0xfffffe00b437fd70 > trap() at trap+0x2a1/frame 0xfffffe00b437fe80 > calltrap() at calltrap+0x8/frame 0xfffffe00b437fe80 > --- trap 0xc, rip = 0xffffffff8177ba1c, rsp = 0xfffffe00b437ff50, rbp = 0xfffffe00b437ff70 --- > r100_mm_rreg_slow() at r100_mm_rreg_slow+0x3c/frame 0xfffffe00b437ff70 > radeon_fence_activity() at radeon_fence_activity+0x103/frame 0xfffffe00b437ffd0 > radeon_fence_signaled() at radeon_fence_signaled+0x59/frame 0xfffffe00b4380010 > radeon_sa_bo_new() at radeon_sa_bo_new+0x251/frame 0xfffffe00b4380170 > radeon_ib_get() at radeon_ib_get+0x2f/frame 0xfffffe00b43801b0 > radeon_cs_ioctl() at radeon_cs_ioctl+0x25d/frame 0xfffffe00b4380630 > drm_ioctl_kernel() at drm_ioctl_kernel+0xf5/frame 0xfffffe00b4380680 > drm_ioctl() at drm_ioctl+0x27a/frame 0xfffffe00b4380770 > linux_file_ioctl() at linux_file_ioctl+0x298/frame 0xfffffe00b43807d0 > kern_ioctl() at kern_ioctl+0x284/frame 0xfffffe00b4380840 > sys_ioctl() at sys_ioctl+0x158/frame 0xfffffe00b4380910 > amd64_syscall() at amd64_syscall+0x275/frame 0xfffffe00b4380a30 > fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00b4380a30 > --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x200cc95ca, rsp = 0x7fffbfffde98, rbp = 0x7fffbfffdec0 --- > Uptime: 5d1h10m44s > Dumping 1764 out of 16327 MB:..1%..11% (CTRL-C to abort) ..21%..31%..41%..51%..61%..71%..81%..91% > > __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 > 55 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct pcpu, > (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 > #1 doadump (textdump=1) at /usr/src/sys/kern/kern_shutdown.c:392 > #2 0xffffffff805e26aa in kern_reboot (howto=260) > at /usr/src/sys/kern/kern_shutdown.c:479 > #3 0xffffffff805e2b09 in vpanic (fmt=, ap=) > at /usr/src/sys/kern/kern_shutdown.c:908 > #4 0xffffffff805e2903 in panic (fmt=) > at /usr/src/sys/kern/kern_shutdown.c:835 > #5 0xffffffff808b8884 in trap_fatal (frame=0xfffffe00b437fe90, eva=0) > at /usr/src/sys/amd64/amd64/trap.c:925 > #6 0xffffffff808b88df in trap_pfault (frame=0xfffffe00b437fe90, > usermode=, signo=, ucode=) > at /usr/src/sys/amd64/amd64/trap.c:743 > #7 0xffffffff808b7f71 in trap (frame=0xfffffe00b437fe90) > at /usr/src/sys/amd64/amd64/trap.c:407 > #8 > #9 0xffffffff8177ba1c in r100_mm_rreg_slow () from /boot/modules/radeonkms.ko > #10 0xffffffff817ba613 in radeon_fence_activity () > from /boot/modules/radeonkms.ko > #11 0xffffffff817ba6e9 in radeon_fence_signaled () > from /boot/modules/radeonkms.ko > #12 0xffffffff817d2601 in radeon_sa_bo_new () from /boot/modules/radeonkms.ko > #13 0xffffffff817c1a4f in radeon_ib_get () from /boot/modules/radeonkms.ko > #14 0xffffffff817ad6ed in radeon_cs_ioctl () from /boot/modules/radeonkms.ko > #15 0xffffffff818a82f5 in drm_ioctl_kernel () from /boot/modules/drm.ko > #16 0xffffffff818a858a in drm_ioctl () from /boot/modules/drm.ko > #17 0xffffffff807cf568 in linux_file_ioctl_sub (fp=, > filp=, fop=, cmd=, data=0x0, > td=) > at /usr/src/sys/compat/linuxkpi/common/src/linux_compat.c:965 > #18 linux_file_ioctl (fp=, cmd=, > data=, cred=, td=) > at /usr/src/sys/compat/linuxkpi/common/src/linux_compat.c:1558 > #19 0xffffffff80643694 in fo_ioctl (fp=, com=3223348326, > data=0xffffffff8185dd5c, active_cred=0xfffff8001be3a001, > td=) at /usr/src/sys/sys/file.h:341 > #20 kern_ioctl (td=0xfffff8001be3a000, fd=, com=3223348326, > data=0xffffffff8185dd5c "/usr/ports/graphics/drm-current-kmod/work/kms-drm-2d2852e/drivers/gpu/drm/radeon/r100.c") at /usr/src/sys/kern/sys_generic.c:804 > #21 0xffffffff80643398 in sys_ioctl (td=0xfffff8001be3a000, > uap=0xfffff8001be3a3c8) at /usr/src/sys/kern/sys_generic.c:712 > #22 0xffffffff808b92e5 in syscallenter (td=0xfffff8001be3a000) > at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:144 > #23 amd64_syscall (td=0xfffff8001be3a000, traced=0) > at /usr/src/sys/amd64/amd64/trap.c:1162 > #24 > #25 0x0000000200cc95ca in ?? () > Backtrace stopped: Cannot access memory at address 0x7fffbfffde98 >