Re: Supermicro 6027R-N3RF+head, usb trouble

On Wed, May 29, 2013 at 07:45:39AM -0500, Bryan Drewery wrote:
> On 5/29/2013 7:16 AM, Bryan Drewery wrote:
> > On 5/29/2013 12:33 AM, Sergey V. Dyatko wrote:
> >> On Tue, 28 May 2013 13:20:53 -0500
> >> Bryan Drewery <bdrewery_at_FreeBSD.org> wrote:
> >>
> >>> On 4/21/2013 2:38 PM, Sergey V. Dyatko wrote:
> >>>> Hi,
> >>>>
> >>>> Can anybody explain why USB keyboard (and keyboard from
> >>>> integrated IPKVM) doesn't work when I boot with   'C606
> >>>> chipset Dual 4-Port SATA/SAS Storage Control Unit' enabled in bios?
> >>>> Also I can't boot that box from usb memstick and
> >>>> FreeBSD-10.0-CURRENT-amd64-20130413-r249439-release.iso They both
> >>>> loose(?) device and can't find root If I disable controller in bios
> >>>> system can't see any sata hdd connected to it:(
> >>>> booting with hw.usb.ehci.no_hs=1, kern.cam.boot_delay="10000"
> >>>> and debug.acpi.disabled="hostres" without success. I setup dhcpd,
> >>>> tftp, nfs on my laptop and finally I install fbsd on that box, but
> >>>> question with kbd is open - It doesn't work..
> >>>> dmesg:
> >>>> http://svn.freebsd.by/files/dmesg_N3RF.txt
> >>>> pciconf -lv:
> >>>> http://svn.freebsd.by/files/pciconf_N3RF.txt
> >>>>
> >>>> I would appreciate any hints
> >>>>
> >>>
> >>> I'm having this exact problem on HEAD r250991 as well. 9.1-RELEASE
> >>> (disc1) seems ok though.
> >>>
> >>> Did you get this figured out?
> >>>
> >>
> >> I added to loader.conf
> >> kern.maxbcache="128M"
> 
> ^ This setting is all that was needed. The VFS change was not needed.
> 
> 
> >> vfs.maxbufspace=134217728
> >> also I create /boot.config with '-v'
> >> I don't know what exactly help, but now usb kbd (ipkvm) works fine
> >> for me.
> >> p.s. It is smbios.system.product="X9DRW"
> >>
> > 
> > Yes! This fix of limiting the size worked for me. USB worked on boot, kb
> > works remotely in the IP KVM and locally as well now.
> > 
> > For the record, this is a DELL C1100 with 72GB of ram. The symptoms
> > match the previous posts though and the delay settings did not help.
> > 
> > This was working on 9.1-R, something must have changed on HEAD.
> > 
> > This is not a production system, I'm willing to try any patches or
> > settings to help get this fixed by default.
> > 

Could you get the values of sysctl kern.nbuf, kern.bio_transient_maxcnt
from the boot without any tuning of the KVA usage ?