On Fri, 15 Jun 2007 13:47:33 -0700 (PDT) [EMAIL PROTECTED] wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=8635 > > Summary: EV6 version of csum_ipv6_magic causing unaligned access > errors > Product: Networking > Version: 2.5 > KernelVersion: 2.6.18 & 2.6.22-rc4-mm2 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: IPV6 > AssignedTo: [EMAIL PROTECTED] > ReportedBy: [EMAIL PROTECTED] > > > Most recent kernel where this bug did not occur: Unknown (Sorry!) > Distribution: Debian/testing (lenny) > Hardware Environment: API Networks CS20 (2 x 833Mhz 21264B Alpha CPUs) > Software Environment: > Linux sky 2.6.22-rc4-mm2 #1 SMP Tue Jun 12 23:00:10 CDT 2007 alpha GNU/Linux > > Gnu C 4.2.1 > Gnu make 3.81 > binutils Binutils > util-linux 2.12r > mount 2.12r > module-init-tools 3.3-pre11 > e2fsprogs 1.40-WIP > xfsprogs 2.8.18 > Linux C Library > libc.2.5 > Dynamic linker (ldd) 2.5 > Procps 3.2.7 > Net-tools 1.60 > Console-tools 0.2.3 > Sh-utils 5.97 > udev 105 > Modules Loaded nfnetlink ip_tables x_tables adm9240 hwmon_vid loop > i2c_ali1535 i2c_ali15x3 i2c_core ide_cd cdrom generic sd_mod alim15x3 > sym53c8xx > ide_core e100 scsi_transport_spi mii scsi_mod > > Problem Description: > > [EMAIL PROTECTED]:~$ grep 'kernel unaligned' /proc/cpuinfo > kernel unaligned acc : 34 (pc=fffffc00004bbf58,va=fffffc000394811c) > > fffffc00004bbdb0 T __copy_user > fffffc00004bbf50 T csum_ipv6_magic > fffffc00004bc020 T memchr > > Seems to be associated w/ arch/alpha/lib/ev6-csum_ipv6_magic.S > > Steps to reproduce: > > Use IPv6 on an Alpha EV6 or higher CPU. >
I assume that networking passed the arch an unaligned pointer and the arch didn't expect that. I further assume that this is an alpha shortcoming, and that this behaviour of networking is expected? - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
