Robert Watson schrieb:

This sounds like a kernel code alignment bug, which is likely easy to fix. However...

the bug has been fixed (fast!):

http://www.freebsd.org/cgi/query-pr.cgi?pr=sparc64/98084

== how to reproduce the kernel panic ==

# cat /dev/zero >/dev/tap0

tap0: Ethernet address: 00:bd:00:02:10:00
panic: trap: memory address not aligned
cpuid = 0
KDB: enter: panic
[thread 449 tid 100044]
Stopped at kdb_enter+0x3c: ta %xcc, 1


Whoops, the gdb stack trace below looks corrupted and/or wrong. Could you instead provide the output of the "trace" command in DDB? DDB traces can be more reliable under some circumstances, and more resistant to mistakes such as matching the wrong kernel to the wrong core, gdb bugs, and so on.

ill keep it in mind for the next time, thanks.

regards,
Michael Ortmann
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