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Date:      Thu, 16 Apr 2015 23:30:38 +0300
From:      Markiyan Kushnir <markiyan.kushnir@gmail.com>
To:        Neel Natu <neelnatu@gmail.com>
Cc:        FreeBSD current <freebsd-current@freebsd.org>,  "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org>
Subject:   Re: Panic on 11.0-CURRENT when trying "kldload vmm"
Message-ID:  <CACvtUJc541YogL4Rs8DgyPp5pkedMJHGOneCZrN262ge24c1-A@mail.gmail.com>
In-Reply-To: <CAFgRE9H_AXjJiWEqngbm4_sRtR9_rYE3T492cnB9zQUOLPv-Aw@mail.gmail.com>
References:  <CACvtUJfhhMrWaHynVfVZfnJH1%2Bb7o5R_ETU1de4whAugBaR3ZQ@mail.gmail.com> <CAFgRE9H_AXjJiWEqngbm4_sRtR9_rYE3T492cnB9zQUOLPv-Aw@mail.gmail.com>

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2015-04-16 23:20 GMT+03:00 Neel Natu <neelnatu@gmail.com>:
> Hi Markiyan,
>
> On Thu, Apr 16, 2015 at 1:01 PM, Markiyan Kushnir
> <markiyan.kushnir@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@:/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

and yes, will shift to r281559, and see if it's ok.

Thanks,
Markiyan.

> best
> Neel
>
>> Thanks,
>> Markiyan.
>>
>> _______________________________________________
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