Re: Panic when doing installworld/kernel with DESTDIR=USB memory

From: Lundberg, Johannes <johannes_at_brilliantservice.co.jp>
Date: Thu, 2 Jun 2016 10:14:12 -0700
Btw, I did build with GENERIC-NODEBUG kernconf. Do I need to rebuild with
GENERIC?


On Thu, Jun 2, 2016 at 10:13 AM, Lundberg, Johannes <
johannes_at_brilliantservice.co.jp> wrote:

> I don't think its USB related either.
>
> There seem to be something weird with my setup..
> I have
> dumpdev="AUTO"
> ddb_enable="YES"
> in rc.conf.
>
> And a swap partition active. After reboot when its about to save the core
> I get error message
> /var/crash/vmcore.0 not found
>
> So I can't get any core dump.. Even with debug.kdb.panic=1..
>
> Know what might be the reason?
>
> /var is same as root partition, plenty of free space..
> I do get the files
> bounds
> info.0
> textdump.tar.0
> in /var/crash/
>
>
> On Thu, Jun 2, 2016 at 9:42 AM, Hans Petter Selasky <hps_at_selasky.org>
> wrote:
>
>> On 06/02/16 17:46, Lundberg, Johannes wrote:
>>
>>> Hi
>>>
>>> I have a repeatable bug. I get kernel panic when doing
>>> installworld/kernel
>>> to a USB 3.0 memory on Macbook Air (USB 3.0 port I think). FreeBSD is
>>> 11.0-CURRENT from Apr 27th.
>>>
>>> This can be avoided by mounting synchronized (mount -o sync).
>>>
>>> Is this a known problem? If not I might be able to try get a core dump
>>> and
>>> investigate further.
>>>
>>>
>> Can you get a backtrace of the panic w/ or w/o debug symbols?
>>
>> Possibly not USB related. Are you using fuse?
>>
>> --HPS
>>
>>
>

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Received on Thu Jun 02 2016 - 15:14:27 UTC

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