new sk driver [was: nve timeout (and down) regression?]

[Ganbold]

Pyun YongHyeon wrote:
> On Mon, May 08, 2006 at 01:15:54PM +0900, Ganbold wrote:
>  > Pyun,
>  > 
>  > Pyun YongHyeon wrote:
>  > >On Tue, Mar 28, 2006 at 04:22:15PM +0200, Wilko Bulte wrote:
>  > > > On Mon, Mar 27, 2006 at 07:48:46PM -0800, Clint Olsen wrote..
>  > > > > On Mar 28, Pyun YongHyeon wrote:
>  > > > > > and sparc64(SMP) and I never see above errors.  The only issue 
>  > > known to
>  > > > > > me is occasional watchdog timeout error which I really want to fix. 
>  > > But
>  > > > > > the watchdog timeout error is hard to reproduce and I couldn't 
>  > > reproduce
>  > > > > > the error on my system.
>  > > > > 
>  > > > > I'm still seeing the watchdog timeout on 5.5-PRERELEASE 
>  > > (uni-processor):
>  > > > > 
>  > > > > Mar 22 14:47:04 belle kernel: sk0: watchdog timeout
>  > > > > Mar 24 08:37:19 belle kernel: sk0: watchdog timeout
>  > > > > Mar 27 04:09:15 belle kernel: sk0: watchdog timeout
>  > > > > 
>  > > > > But at least the driver doesn't wedge the interface now.
>  > > > 
>  > > > Yes, same here on 6.1-PRERELEASE:
>  > > > 
>  > > > ch0: 10 slots, 1 drive, 1 picker, 0 portals
>  > > > sk0: watchdog timeout
>  > > > sk0: watchdog timeout
>  > > > 
>  > >
>  > >Ok, here is a new patch that try to fix the watchdog timeout error.
>  > >I don't know it will eradicate the bug as I don't see the watchdog
>  > >error on my system.
>  > >The patch borrowed Yukon specific register definition from Linux
>  > >driver and adopted Yukon FIFO related operations from Linux. I don't
>  > >know exact meaning of the registers(it's just guessing) but it seems
>  > >it doesn't hurt on my system.
>  > >
>  > >You may have to download 4 files to build the driver.
>  > >http://people.freebsd.org/~yongari/sk/sk_test2/if_sk.c
>  > >http://people.freebsd.org/~yongari/sk/sk_test2/if_skreg.h
>  > >http://people.freebsd.org/~yongari/sk/sk_test2/xmaciireg.h
>  > >http://people.freebsd.org/~yongari/sk/sk_test2/yukonreg.h
>  > >  
>  > I compiled new sk driver on 6.1-RC, however I couldn't get it work.
>  > When I load module I get:
>  > 
>  > May  8 12:04:56 proxy kernel: skc0: <Marvell Gigabit Ethernet> port 
>  > 0xcc00-0xccff mem 0xfe3fc000-0xfe3fffff irq 20 at device 3.0 on pci6
>  > May  8 12:04:56 proxy kernel: skc0: unknown media type: 0x31
>  > May  8 12:04:56 proxy kernel: device_attach: skc0 attach returned 6
>  > 
> FYI: Fix committed to HEAD.
>   
Thanks a lot.

Ganbold