Date: Thu, 19 Aug 2010 14:01:35 +0400 From: Alexey Tarasov <me@lexasoft.ru> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-current@freebsd.org, Alexey Tarasov <me@lexasoft.ru> Subject: Re: STABLE kernel panic: privileged instruction fault Message-ID: <E6695A65-B55E-4F7F-8D55-7F73C8CF7F6A@lexasoft.ru> In-Reply-To: <4C6BFC93.4040303@icyb.net.ua> References: <434A73A4-E2F4-4FC6-A7E4-8A4D514AF6D5@lexasoft.ru> <4C6BFC93.4040303@icyb.net.ua>
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Hello Andriy! On Aug 18, 2010, at 7:30 PM, Andriy Gapon wrote: > on 13/08/2010 00:45 Alexey Tarasov said the following: >> Fatal trap 1: privileged instruction fault while in kernel mode >> cpuid =3D 1; apic id =3D 01 >> instruction pointer =3D 0x20:0xffffff8040d2cc83 >> stack pointer =3D 0x28:0xffffff8040d2ca80 >> frame pointer =3D 0x28:0xffffff0060c0b740 >=20 > I suspect that either stack is corrupted or non-code is executed (or = both). > Stack pointer seems to be too close to instruction pointer and too far = from frame > pointer. >=20 > Can you try to use kgdb and disassemble code (or examine data) near = instruction > pointer address and also near frame pointer address? > Also, you might want to rebuild kgdb with a recent change from head, = so that it > better maps symbols and addresses in kernel modules. We have the similar discussion with Kostik Belousov here: = http://lists.freebsd.org/pipermail/freebsd-stable/2010-August/058287.html I'm installing new kernel with DDB on the servers now and waiting for = the panic. Thank you for your reply! -- Alexey Tarasov (\__/)=20 (=3D'.'=3D)=20 E[: | | | | :]=D0=97=20 (")_(")
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