Re: an0: device timeout on x31

[Jost Tobias Springenberg <jspringe@xxxxxx>]

On Sun, 18 May 2008 18:32:53 +0800
"Sepherosa Ziehau" <sepherosa@gmail.com> wrote:

> On Sun, May 18, 2008 at 6:26 PM, Sepherosa Ziehau <sepherosa@gmail.com> wrote:
> > On Sun, May 18, 2008 at 6:22 PM, Sepherosa Ziehau <sepherosa@gmail.com> wrote:
> >> On Sun, May 18, 2008 at 6:01 PM, Jost Tobias Springenberg
> >> <jspringe@uos.de> wrote:
> >>>
> >>>> Do you mean even low rate traffic like ping?
> >>>>
> >>> Nope that works fine only if I try to transfer i.e. a tarball.
> >>>
> >>>> Things like:
> >>>> - write to IO registers when device is not initialized yet or when
> >>>> device is powered off
> >>>> - write to IO registers that do not exist
> >>>> - Initialize RX/TX ring related IO registers, before RX/TX ring is initialized.
> >>>> - RX/TX ring is not correctly initialized
> >>>> - buffer is (wrongly) freed/trashed when device is doing DMA
> >>>
> >>> What really strikes me is the following:
> >>> I tried 12.1 release and HEAD without any changes, just as they are in the repos.
> >>>
> >>> On 12.1 livecd I get the errors that I wrote about in my first post,
> >>> but no freezes at all, even if transferring files (although performance is horrible due to the massive timeouts).
> >>>
> >>> While using HEAD the system shows the same behavior but freezes after a few pings ...
> >>>
> >>> That suggests that the problem is not due to the changes I made but a more general bug !?
> >>> What has changed in the network related areas since 12.1 ?
> >>> May it be related to Sephes changes ?
> >>
> >> Maybe, can you break into DDB when freezing happens?
> >
> > Its a bug in the driver about how IFF_OACTIVE should be handled.  I
> > will work out a fix.
> 
> Can you test following patch on HEAD:
> http://leaf.dragonflybsd.org/~sephe/if_an_oactive.diff
> 
> Best Regards,
> sephe
> 
> -- 
> Live Free or Die

Ok,
I have to run a whole buildworld buildkernel cycle because I tried the 12.2 release
I'll do that and report back in 3-4 hours.
Greetings,
Tobias


-- 
Jost Tobias Springenberg <jspringe@uos.de>