Date: Fri, 6 Nov 2015 23:57:10 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: Hans Petter Selasky <hps@selasky.org>, FreeBSD Current <freebsd-current@FreeBSD.org>, FreeBSD Hackers <freebsd-hackers@FreeBSD.org> Subject: Re: strange kernel crash Message-ID: <563D2236.4030708@FreeBSD.org> In-Reply-To: <563CEB53.50909@selasky.org> References: <563C8CED.3020101@FreeBSD.org> <563CEB53.50909@selasky.org>
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On 06/11/2015 20:02, Hans Petter Selasky wrote: > On 11/06/15 12:20, Andriy Gapon wrote: >> Now the strange part: >> >> 0xffffffff80619a18 <+744>: jne 0xffffffff80619a61 <__mtx_lock_flags+817> >> 0xffffffff80619a1a <+746>: mov %rbx,(%rsp) >> => 0xffffffff80619a1e <+750>: movq $0x0,0x18(%rsp) >> 0xffffffff80619a27 <+759>: movq $0x0,0x10(%rsp) >> 0xffffffff80619a30 <+768>: movq $0x0,0x8(%rsp) > > Were these instructions dumped from RAM or from the kernel ELF file? Whatever minidump and kgdb (libkvm) do for the text section. Just in case, in addition to 'disassemble' I also did this: (kgdb) x/i 0xffffffff80619a1e => 0xffffffff80619a1e <__mtx_lock_flags+750>: movq $0x0,0x18(%rsp) -- Andriy Gapon
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