Re: Panic on 11.0-CURRENT when trying "kldload vmm"

From: Neel Natu <neelnatu_at_gmail.com>
Date: Thu, 16 Apr 2015 14:43:32 -0700
Hi Markiyan,

On Thu, Apr 16, 2015 at 1:30 PM, Markiyan Kushnir
<markiyan.kushnir_at_gmail.com> wrote:
> 2015-04-16 23:20 GMT+03:00 Neel Natu <neelnatu_at_gmail.com>:
>> Hi Markiyan,
>>
>> On Thu, Apr 16, 2015 at 1:01 PM, Markiyan Kushnir
>> <markiyan.kushnir_at_gmail.com> wrote:
>>> 22:13:~$ uname -a
>>> FreeBSD mkushnir.mooo.com 11.0-CURRENT FreeBSD 11.0-CURRENT #3
>>> r281432: Sun Apr 12 01:35:34 EEST 2015
>>> root_at_:/work/obj/work/src.svn/sys/MAREK  amd64
>>>
>>>
>>> Went kernel panic twice today when trying to load vmm.  Never seen
>>> this before (the previous kernel was built out of r278973, Feb 19
>>> 2015, was doing well).  The panic is not reliable in the sense I could
>>> not reproduce it at will just loading/unloading vmm.
>>>
>>> I regularly work in my bhyve guests, sometimes swap between vmm and
>>> vboxdrv, all my scenarios haven't changed from the previous Feb
>>> kernel.  Except that I re-built my today panicking kernel extending
>>> the MINIMAL config (including what I need) as opposed to the previous
>>> one "reducing" GENERIC (excluding what I don't need).
>>>
>>> Both today panic's back traces look identical. Attaching core.txt.1
>>> (the latter one) and the output of "sysctl kern.conftxt". Let me know
>>> if someone wants to debug it.
>>>
>>
>> I don't think that 'core.txt.1' made it through.
>>
>> Regardless, can you try to reproduce after applying r281559. I think
>> it should fix the panic.
>>
>> https://svnweb.freebsd.org/changeset/base/281559
>>
>
> ah ok. Saved on google drive:
> https://drive.google.com/file/d/0B9Q-zpUXxqCnam0zNjFRcF9XMHc/view?usp=sharing
>

Yup, its the one that is fixed in r281559.

best
Neel

> and yes, will shift to r281559, and see if it's ok.
>
> Thanks,
> Markiyan.
>
>> best
>> Neel
>>
>>> Thanks,
>>> Markiyan.
>>>
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Received on Thu Apr 16 2015 - 19:43:34 UTC

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