Excellent. I haven't had chance to compile a new kernel yet but I tried changing rx_copybreak at modprobe time and can confirm that the issue goes away. rmmod tulip modprobe tulip rx_copybreak=1518 Thanks Richard > -----Original Message----- > From: sparclinux-owner@xxxxxxxxxxxxxxx > [mailto:sparclinux-owner@xxxxxxxxxxxxxxx] On Behalf Of Doug Nazar > Sent: 27 February 2007 18:52 > To: 'Jurij Smakov' > Cc: sparclinux@xxxxxxxxxxxxxxx > Subject: RE: Unaligned accesses in ip_rcv and ip_fast_csum > > > We have a report (Debian bug #409313 [0]) of the following unaligned > > accesses, occuring every 5-6 seconds on Netra X1 and > SunFire v100 with > > kernel 2.6.18 and newer: > > This took me a little longer to track down than it should > have. I started > looking at the wrong end of the issue but on the plus side I > now have a > better understanding sparcv9 asm and the networking stack. > > > diff --git a/drivers/net/tulip/tulip_core.c > b/drivers/net/tulip/tulip_core.c > index 5a35354..e3774a5 100644 > --- a/drivers/net/tulip/tulip_core.c > +++ b/drivers/net/tulip/tulip_core.c > @@ -67,7 +67,7 @@ const char * const medianame[32] = { > > /* Set the copy breakpoint for the copy-only-tiny-buffer Rx > structure. */ > #if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \ > - || defined(__sparc_) || defined(__ia64__) \ > + || defined(__sparc__) || defined(__ia64__) \ > || defined(__sh__) || defined(__mips__) > static int rx_copybreak = 1518; > #else > > > - > To unsubscribe from this list: send the line "unsubscribe > sparclinux" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > - To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
