Date: Tue, 30 May 2006 15:52:34 +0200 From: Michael Ortmann <mortmann@googlemail.com> To: Robert Watson <rwatson@FreeBSD.org> Cc: freebsd-stable@freebsd.org Subject: Re: reproduceable kernel panic when trying to use tap0 interface (sparc64) Message-ID: <447C4E22.4080900@googlemail.com> In-Reply-To: <20060530144516.E25073@fledge.watson.org> References: <447AAB44.9080402@googlemail.com> <20060530144516.E25073@fledge.watson.org>
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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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