Help debugging stable/10

[Shane Ambler]

On 17/06/2015 17:22, Hans Petter Selasky wrote:
> On 06/17/15 09:24, Shane Ambler wrote:
>> On 24/03/2015 01:55, Shane Ambler wrote:
>>> On 25/12/2014 23:03, Andriy Gapon wrote:
>>>> On 25/12/2014 11:29, Hans Petter Selasky wrote:
>>>>> The cam_sim_free() is stuck, blocking the rest of that controller from
>>>>> enumerating. It might look like a non-USB stack issue.
>>>>>
>>>>> MAV: Do you have some ideas where to start looking, now we have a
>>>>> dump? Any
>>>>> refcounts to check in particular?
>>>>
>>>> Apparently sim->refcount > 0.
>>>> Not sure how to check who has the reference(s).
>>>>
>>
>> Can anyone think of something I can try?
>>
>> To recap to save you going back through history -
>> After running 9.0 - 9.2 for 3 years I upgraded to 10.1RC3 and started
>> getting a locking issue, most new processes fail to start, top and ps
>> failing being indicators, the most info I have got is a back trace
>> using kgdb, there are 4 instances I got output from procstat -kk -a
>>
>> On several occasions I have found that after inserting a usb memstick
>> the device failed to be created, leaving me unable to mount the
>> filesystem without a restart.
>>
>> I then switched to stable/10 in hopes of a fix finding it's way in.
>>
>> The back traces I have been able to collect (and a dmesg) are listed at
>> http://shaneware.biz/freebsddebugdata/
>>
>> This is my everyday desktop machine. I am now running
>>
>> FreeBSD leader.local 10.1-STABLE FreeBSD 10.1-STABLE #11 r283839: Thu
>> Jun  4 17:41:28 ACST 2015     root at leader.local:/usr/obj/usr/src/sys
>> /GENERIC  amd64
>>
>> I can only say it appears to be getting worse, though I may just be
>> getting sick of having to restart nearly every day. Lately it seems that
>> the less I do the quicker it locks up. I have restarted twice this week
>> and then let it sit while I have gone out, after returning I get maybe
>> 10-15 mins then have to restart, one of them was less than an hour
>> uptime.
>>
>> While running poudriere I have got past 1 day uptime but it locks up
>> harder and I don't usually get a chance to record any data.
>>
>>
>
> Hi,
>
> One solution is to use fuse instead of the native fs, until the CAM/SCSI
> refcount issues are resolved.
>
> --HPS

If you refer to the usb stick, it locks up without inserting one.
I'll try with the extra fs kmods unloaded and see how it goes.


-- 
FreeBSD - the place to B...Software Developing

Shane Ambler