[RFC][CFT] GEOM direct dispatch and fine-grained CAM locking

[Outback Dingo]

On Tue, Sep 3, 2013 at 5:48 PM, Olivier Cochard-Labbé <olivier at cochard.me>wrote:

> On Tue, Sep 3, 2013 at 8:10 PM, Outback Dingo <outbackdingo at gmail.com>
> wrote:
> > Can anyone confirm how well tested/stable this patch set might be?? if
> > theres positive input i have a zoo of dev machines i could load it on, to
> > help further it.
> > Just checking to see how widely its been tested,
>
> I've installed this patch on 3 differents machines there status after
> about 12hours:
> - SUN FIRE X4170 M2 (amd64: r255178) with 6 SAS harddrives in one big
> zraid (LSI MegaSAS Gen2 controller): Used for generating package with
> poudriere… no probleme since;
> - HAL/Fujitsu SPARC64-V (sparc64: r255178) with two SCSI-3 disks in
> gmirror: Used for generating package with poudriere too… no probleme
> since;
> - HP EliteBook 8460p (amd64: r255188) with DVD replaced by a second
> hardrive (where fbsd is installed): It crash just after the message
> "GEOM: new disk ada1" during boot
>
> screenshot of the crash screen:
> http://goo.gl/tW1VIx
>
> A little more information:
> addr2line -e /boot/kernel/kernel.symbols 0xffffffff8083abd3
> /usr/src/sys/geom/geom_io.c:129
>
> Regards,
>
> Olivier
>

Be nice if it was backported to 9/stable..... not sure how feasible it is
though... patch fails in a few places.....