From owner-freebsd-current@freebsd.org Sun Oct 13 11:10:30 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 097ABF5507 for ; Sun, 13 Oct 2019 11:10:30 +0000 (UTC) (envelope-from contact@evilham.com) Received: from yggdrasil.evilham.com (yggdrasil.evilham.com [46.19.33.155]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 46rf9x02PCz3KDJ for ; Sun, 13 Oct 2019 11:10:28 +0000 (UTC) (envelope-from contact@evilham.com) Received: from yggdrasil.evilham.com (unknown [IPv6:2a0a:e5c1:121:1::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by yggdrasil.evilham.com (Postfix) with ESMTPSA id 46rf9n30HPz3wYj; Sun, 13 Oct 2019 13:10:21 +0200 (CEST) From: Evilham To: FreeBSD Current Cc: Mateusz Guzik Subject: Re: DRM-current-kmod is still a problem at r353339 References: <7ca3b30a-81f6-f79d-1486-7fd29765646f@acm.org> <99c89ca0-462c-f4c7-fa07-6f61e9d39d66@acm.org> In-reply-to: Date: Sun, 13 Oct 2019 13:10:18 +0200 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; format=flowed X-Rspamd-Queue-Id: 46rf9x02PCz3KDJ X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=pass (policy=none) header.from=evilham.com; spf=pass (mx1.freebsd.org: domain of contact@evilham.com designates 46.19.33.155 as permitted sender) smtp.mailfrom=contact@evilham.com X-Spamd-Result: default: False [-3.51 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.996,0]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; IP_SCORE(-0.72)[asn: 196752(-3.60), country: NL(0.02)]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[evilham.com,none]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:196752, ipnet:46.19.32.0/21, country:NL]; FREEMAIL_CC(0.00)[gmail.com]; 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: Sun, 13 Oct 2019 11:10:30 -0000 Hello, I somehow had managed to mess up my build system and only yesterday got it back to compiling properly. On ds., oct. 12 2019, Mateusz Guzik wrote: > Try this: > > https://people.freebsd.org/~mjg/pmap-fict-invl.diff I tested this patch on top of r353449 and a panic is still ocurring when the drm-kmod modules are loaded. This is on a Lenovo A485 Laptop, which is an AMD Ryzen processor and a Radeon Vega graphics. My last known working revision is r352987. Here are bits of the core dump, I hope they are useful, if more information is needed, please don't hesitate to ask. BTW: I usually compile GENERIC-NODEBUG, if that results in the dump being useless (sadly I can't tell), I can disable all the performance goodies and compile GENERIC :-). -- Evilham Fatal trap 12: page fault while in kernel mode cpuid = 2; apic id = 02 fault virtual address = 0xf8 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff80b1be61 stack pointer = 0x28:0xfffffe00dd81ccc0 frame pointer = 0x28:0xfffffe00dd81ccf0 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 = 24022 (kldload) trap number = 12 panic: page fault cpuid = 2 time = 1570970502 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00dd81c920 vpanic() at vpanic+0x17e/frame 0xfffffe00dd81c980 panic() at panic+0x43/frame 0xfffffe00dd81c9e0 trap_pfault() at trap_pfault/frame 0xfffffe00dd81ca50 trap_pfault() at trap_pfault+0x4f/frame 0xfffffe00dd81cac0 trap() at trap+0x288/frame 0xfffffe00dd81cbf0 calltrap() at calltrap+0x8/frame 0xfffffe00dd81cbf0 --- trap 0xc, rip = 0xffffffff80b1be61, rsp = 0xfffffe00dd81ccc0, rbp = 0xfffffe00dd81ccf0 --- pfs_destroy() at pfs_destroy+0x11/frame 0xfffffe00dd81ccf0 pfs_uninit() at pfs_uninit+0x16/frame 0xfffffe00dd81cd10 vfs_modevent() at vfs_modevent+0x474/frame 0xfffffe00dd81cd50 module_register_init() at module_register_init+0xa4/frame 0xfffffe00dd81cd80 linker_load_module() at linker_load_module+0xb49/frame 0xfffffe00dd81d0a0 linker_load_dependencies() at linker_load_dependencies+0x18c/frame 0xfffffe00dd81d0f0 link_elf_load_file() at link_elf_load_file+0x1127/frame 0xfffffe00dd81d1b0 linker_load_module() at linker_load_module+0x89a/frame 0xfffffe00dd81d4d0 linker_load_dependencies() at linker_load_dependencies+0x18c/frame 0xfffffe00dd81d520 link_elf_load_file() at link_elf_load_file+0x1127/frame 0xfffffe00dd81d5e0 linker_load_module() at linker_load_module+0x89a/frame 0xfffffe00dd81d900 kern_kldload() at kern_kldload+0xbd/frame 0xfffffe00dd81d950 sys_kldload() at sys_kldload+0x5b/frame 0xfffffe00dd81d980 amd64_syscall() at amd64_syscall+0x3a3/frame 0xfffffe00dd81dab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00dd81dab0 --- syscall (304, FreeBSD ELF64, sys_kldload), rip = 0x8002d1cda, rsp = 0x7fffffffd748, rbp = 0x7fffffffdcc0 --- KDB: enter: panic __curthread () at /freebsd/src/sys/amd64/include/pcpu_aux.h:55 55 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct pcpu, (kgdb) #0 __curthread () at /freebsd/src/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=0) at /freebsd/src/sys/kern/kern_shutdown.c:392 #2 0xffffffff80496a7a in db_dump (dummy=, dummy2=, dummy3=, dummy4=) at /freebsd/src/sys/ddb/db_command.c:575 #3 0xffffffff8049683c in db_command (last_cmdp=, cmd_table=, dopager=1) at /freebsd/src/sys/ddb/db_command.c:482 #4 0xffffffff804965ad in db_command_loop () at /freebsd/src/sys/ddb/db_command.c:535 #5 0xffffffff80499858 in db_trap (type=, code=) at /freebsd/src/sys/ddb/db_main.c:252 #6 0xffffffff80c322a7 in kdb_trap (type=3, code=0, tf=) at /freebsd/src/sys/kern/subr_kdb.c:692 #7 0xffffffff8105d925 in trap (frame=0xfffffe00dd81c850) at /freebsd/src/sys/amd64/amd64/trap.c:585 #8 #9 kdb_enter (why=0xffffffff811dee7e "panic", msg=) at /freebsd/src/sys/kern/subr_kdb.c:479 #10 0xffffffff80be377a in vpanic (fmt=, ap=) at /freebsd/src/sys/kern/kern_shutdown.c:897 #11 0xffffffff80be35d3 in panic ( fmt=0xffffffff818e4c18 "\357\327\037\201\377\377\377\377") at /freebsd/src/sys/kern/kern_shutdown.c:835 #12 0xffffffff8105ddb0 in trap_fatal (frame=0xfffffe00dd81cc00, eva=248) at /freebsd/src/sys/amd64/amd64/trap.c:925 #13 0xffffffff8105ddff in trap_pfault (frame=0xfffffe00dd81cc00, usermode=, signo=, ucode=) at /freebsd/src/sys/amd64/amd64/trap.c:743 #14 0xffffffff8105d458 in trap (frame=0xfffffe00dd81cc00) at /freebsd/src/sys/amd64/amd64/trap.c:407 #15 #16 pfs_destroy (pn=0x0) at /freebsd/src/sys/fs/pseudofs/pseudofs.c:324 #17 0xffffffff80b1ca96 in pfs_uninit ( pi=0xffffffff8360f120 , vfc=0xffffffff8360f010 ) at /freebsd/src/sys/fs/pseudofs/pseudofs.c:473 #18 0xffffffff80caddd4 in vfs_register ( vfc=0xffffffff8360f010 ) at /freebsd/src/sys/kern/vfs_init.c:497 #19 vfs_modevent (mod=, type=, data=0xffffffff8360f010 ) at /freebsd/src/sys/kern/vfs_init.c:582 #20 0xffffffff80bc0b24 in module_register_init ( arg=0xffffffff8360eff8 ) at /freebsd/src/sys/kern/kern_module.c:123 #21 0xffffffff80bb26b9 in linker_file_sysinit (lf=) at /freebsd/src/sys/kern/kern_linker.c:236 #22 linker_load_file (filename=, result=) at /freebsd/src/sys/kern/kern_linker.c:462 #23 linker_load_module (kldname=, modname=0xffffffff835d4c80 "linuxkpi_gplv2", parent=, verinfo=, lfpp=) at /freebsd/src/sys/kern/kern_linker.c:2110 #24 0xffffffff80bb4eec in linker_load_dependencies (lf=0xfffff800060dcc00) at /freebsd/src/sys/kern/kern_linker.c:2200 #25 0xffffffff810d6027 in link_elf_load_file (cls=, filename=0xfffff8000645bcc0 "/boot/modules/drm.ko", result=0xfffffe00dd81d358) at /freebsd/src/sys/kern/link_elf_obj.c:1004 #26 0xffffffff80bb240a in LINKER_LOAD_FILE ( cls=0xffffffff81972e90 , filename=, result=) at ./linker_if.h:180 #27 linker_load_file (filename=, result=) at /freebsd/src/sys/kern/kern_linker.c:447 #28 linker_load_module (kldname=, modname=0xffffffff83542bc4 "drmn", parent=, verinfo=, lfpp=) at /freebsd/src/sys/kern/kern_linker.c:2110 #29 0xffffffff80bb4eec in linker_load_dependencies (lf=0xfffff800060db200) at /freebsd/src/sys/kern/kern_linker.c:2200 #30 0xffffffff810d6027 in link_elf_load_file (cls=, filename=0xfffff8000503ed80 "/boot/modules/amdgpu.ko", result=0xfffffe00dd81d788) at /freebsd/src/sys/kern/link_elf_obj.c:1004 #31 0xffffffff80bb240a in LINKER_LOAD_FILE ( cls=0xffffffff81972e90 , filename=, result=) at ./linker_if.h:180 #32 linker_load_file (filename=, result=) at /freebsd/src/sys/kern/kern_linker.c:447 #33 linker_load_module (kldname=, modname=0xfffff8000612b000 "amdgpu", parent=, verinfo=, lfpp=) at /freebsd/src/sys/kern/kern_linker.c:2110 #34 0xffffffff80bb3f2d in kern_kldload (td=, file=, fileid=0xfffffe00dd81d964) at /freebsd/src/sys/kern/kern_linker.c:1089 #35 0xffffffff80bb406b in sys_kldload (td=0xfffff800125d8000, uap=) at /freebsd/src/sys/kern/kern_linker.c:1115 #36 0xffffffff8105e973 in syscallenter (td=0xfffff800125d8000) at /freebsd/src/sys/amd64/amd64/../../kern/subr_syscall.c:144 #37 amd64_syscall (td=0xfffff800125d8000, traced=0) at /freebsd/src/sys/amd64/amd64/trap.c:1162 #38 #39 0x00000008002d1cda in ?? () Backtrace stopped: Cannot access memory at address 0x7fffffffd748 (kgdb)