Date: Thu, 18 Jun 2015 13:41:18 +0930 From: Shane Ambler <FreeBSD@ShaneWare.Biz> To: Hans Petter Selasky <hps@selasky.org>, Shane Ambler <FreeBSD@ShaneWare.Biz>, Andriy Gapon <avg@FreeBSD.org>, freebsd-stable@FreeBSD.org Subject: Re: Help debugging stable/10 Message-ID: <558244E6.3080102@ShaneWare.Biz> In-Reply-To: <55812736.5070504@selasky.org> References: <5488F58D.7060708@ShaneWare.Biz> <201412161129.57704.jhb@freebsd.org> <549BC924.3050402@ShaneWare.Biz> <549BD90B.2050000@selasky.org> <549C042D.3090108@FreeBSD.org> <55103050.6030904@ShaneWare.Biz> <5581209E.1070905@ShaneWare.Biz> <55812736.5070504@selasky.org>
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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@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
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