Date: Fri, 01 Jul 2005 01:03:37 +0200 From: Hans van Leest <hvleest@signet.nl> To: John Baldwin <jhb@FreeBSD.org> Cc: freebsd-smp@freebsd.org Subject: Re: Boot error SMP Message-ID: <42C47A49.3030407@signet.nl> In-Reply-To: <200506301054.28770.jhb@FreeBSD.org> References: <42BECC86.3090404@signet.nl> <42C2F278.60408@signet.nl> <42C2F957.3010308@signet.nl> <200506301054.28770.jhb@FreeBSD.org>
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Tested machine with memtest and stress. But no errors at all, except
these messages:
got 326MB (342781952 bytes), trying mlock ...too many pages, reducing...
Which, as I understand it, is a mesage when memory is used
How do I continue?
John Baldwin wrote:
>On Wednesday 29 June 2005 03:41 pm, Hans van Leest wrote:
>
>
>>i think something strange is going on.
>>I booted four times on the SMP kernel, and 4 times I had a different error
>>I don't thing that's oke, when a kernel crashes.
>>boot1: fatal process exeption; page fault; fault VA=0x0
>>instruction pointer boot 2: 0xc07e8fd6
>>instruction pointer boot 3: 0xc0687a9c
>>instruction pointer boot 4: 0xc05ee318
>>
>>a gdb> list from the last one gave:
>>No symbol table is loaded. Use the "file" command.
>>
>>
>
>Are you sure the RAM and CPUs are ok? Have you tried running memtest on it?
>
>
>
>>Hans van Leest wrote:
>>
>>
>>>I proberbly didn't uderstand you correct. I did the following.
>>>Booted from SMP_DEBUG kernel and it crashed. Secondly I booted from a
>>>working kernel and
>>>#cd /usr/obj/usr/src/sys/SMP_DEBUG
>>>#gdb /usr/obj/usr/src/sys/SMP_DEBUG
>>>gdb> list *0xc061a5e7
>>>
>>>It gave this back:
>>>
>>>(gdb) list *0xc061a5e7
>>>0xc061a5e7 is in free (uma_int.h:388).
>>>383 {
>>>384 vm_page_t p;
>>>385 uma_slab_t slab;
>>>386
>>>387 p = PHYS_TO_VM_PAGE(pmap_kextract(va));
>>>388 slab = (uma_slab_t )p->object;
>>>389
>>>390 if (p->flags & PG_SLAB)
>>>391 return (slab);
>>>392 else
>>>(gdb)
>>>
>>>John Baldwin wrote:
>>>
>>>
>>>>On Wednesday 29 June 2005 01:52 pm, Hans van Leest wrote:
>>>>
>>>>
>>>>>I got a boot with the new debug kernel, only I got an new instruction
>>>>>pointer. this one is:
>>>>>0x8:0xc061a5e7
>>>>>When I type db> gdb, it replies that it can't find the backend
>>>>>When I type tr after db> I get a lot of data so I want to use serial
>>>>>console So I don't have to type it over. Only I get errors
>>>>>
>>>>>From the howto I did this
>>>>>
>>>>>cat /etc/ttys
>>>>>--snip--
>>>>># The 'dialup' keyword identifies dialin lines to login, fingerd etc.
>>>>>ttyd0 "/usr/libexec/getty std.9600" vt100 on secure
>>>>>ttyd1 "/usr/libexec/getty std.9600" vt100 on secure
>>>>>ttyd2 "/usr/libexec/getty std.9600" vt100 on secure
>>>>>ttyd3 "/usr/libexec/getty std.9600" vt100 on secure
>>>>>
>>>>>
>>>>These only let you login over the serial line, you don't need this
>>>>for the kernel console.
>>>>
>>>>
>>>>
>>>>>bsd# cat /boot/loader.conf
>>>>>set console="comconsole"
>>>>>
>>>>>
>>>>This should be all you need.
>>>>
>>>>
>>>>
>>>>>I got error like this:
>>>>> bsd init: can't exec getty 'none' for port /dev/console: No such file
>>>>>or directory
>>>>>
>>>>>
>>>>You must have something weird on the 'console' line in /etc/ttys.
>>>>Normally the getty on that line should be 'off'. The way to grab the
>>>>output is to use cut and paste or script(1) or some such on the
>>>>machine that you are talking to the bsd box with, you don't capture
>>>>the trace info on the bsd machine itself. For example, if you are
>>>>using some Windows terminal app, you can cut and paste the trace info
>>>>into notepad and then cut and paste that into an e-mail. If you are
>>>>using another unix box without X11 as the client end of the console
>>>>you could use script(1) to log the output to a file.
>>>>
>>>>That said, having the instruction pointer is good. To use that, boot
>>>>the bsd box, find the kernel.debug from the kernel you built
>>>>(probably /usr/obj/usr/src/sys/<KERNEL_NAME>/kernel.debug) and run
>>>>gdb on it like so:
>>>>
>>>># gdb /path/to/kernel.debug
>>>>
>>>>Then, at the gdb> prompt do a list:
>>>>
>>>>gdb> list *0xc061a5e7
>>>>
>>>>
>>>_______________________________________________
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>>>http://lists.freebsd.org/mailman/listinfo/freebsd-smp
>>>To unsubscribe, send any mail to "freebsd-smp-unsubscribe@freebsd.org"
>>>
>>>
>>_______________________________________________
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>>To unsubscribe, send any mail to "freebsd-smp-unsubscribe@freebsd.org"
>>
>>
>
>
>
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