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

[Pyun YongHyeon]

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.

-- 
Regards,
Pyun YongHyeon