Date: Sun, 2 Feb 2014 19:26:52 +0100 From: Michael Tuexen <tuexen@freebsd.org> To: John-Mark Gurney <jmg@funkthat.com> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: panic Message-ID: <A10C1FD0-497E-4188-8233-D6C282AF23AE@freebsd.org> In-Reply-To: <20140202181420.GC93141@funkthat.com> References: <14E59004-FC13-48DD-B789-AA78767C6871@freebsd.org> <20140202120509.5d1e0f64@bender.Home> <B6C771EC-B635-4392-9088-1CFC640329EB@freebsd.org> <20140202181420.GC93141@funkthat.com>
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On Feb 2, 2014, at 7:14 PM, John-Mark Gurney <jmg@funkthat.com> wrote: > Michael Tuexen wrote this message on Sun, Feb 02, 2014 at 13:11 +0100: >> On Feb 2, 2014, at 1:05 PM, Andrew Turner <andrew@fubar.geek.nz> wrote: >> >>> On Fri, 31 Jan 2014 06:36:43 +0100 >>> Michael Tuexen <tuexen@freebsd.org> wrote: >>> >>>> Dear all, >>>> >>>> while building the or xcb-util-renderutil-0.3.8 port I got >>>> panic: Undefined instruction in kernel. >>>> when running r261186 on a RPI-B. I could successfully build >>>> ports for cvs, subversion, git... >>> >>> Can you get the opcodes in your kernel around 0xc048ec60. There are two >>> instructions that may be the problem and depending on which one you are >>> hitting it would indicate a different problem. >>> >>> Also if possible can you get more of the kernel output from around the >>> panic. There are a few kernel printf calls that would narrow down what >>> is happening. >> Hi Andrew, >> >> I'm sorry, I rebooted the pi in the meantime... > > As long as you didn't compile a new kernel, just do: > objdump -d --start-address=0xc048ec50 /boot/kernel/kernel > > And send us the lines between 0xc048ec50 and 0xc048ec70... Sure: /boot/kernel/kernel: file format elf32-littlearm Disassembly of section .text: c048ec50 <undefinedinstruction+0xf4>: c048ec50: e1a01007 mov r1, r7 c048ec54: e1a02009 mov r2, r9 c048ec58: e1a03004 mov r3, r4 c048ec5c: e12fff35 blx r5 c048ec60: e3a01000 mov r1, #0 ; 0x0 c048ec64: e3500000 cmp r0, #0 ; 0x0 c048ec68: 0a000005 beq c048ec84 <undefinedinstruction+0x128> c048ec6c: e5966000 ldr r6, [r6] c048ec70: e3560000 cmp r6, #0 ; 0x0 Please let me know if you need any other information. Best regards Michael > > -- > John-Mark Gurney Voice: +1 415 225 5579 > > "All that I will do, has been done, All that I have, has not." >
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