Date: Thu, 19 May 2005 14:56:39 +0200 From: Jeremie Le Hen <jeremie@le-hen.org> To: Doug White <dwhite@gumbysoft.com> Cc: Jeremie Le Hen <jeremie@le-hen.org> Subject: Re: panic in recent RELENG_5 tcp code path Message-ID: <20050519125639.GK818@obiwan.tataz.chchile.org> In-Reply-To: <20050518155130.H87264@carver.gumbysoft.com> References: <20050515120007.GA777@obiwan.tataz.chchile.org> <20050518155130.H87264@carver.gumbysoft.com>
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Hi Doug, thanks for your answer.
> Can you load a kernel.debug into gdb and do "l *(tcp_output+0xb49)" and
> post the output? that offset isn't a function call in my kernel.
> tcp_output() doesn't call m_copypacket directly so the exact spot is
> difficult to find.
%%%
(gdb) l *(tcp_output+0xb49)
0xc061b63d is in tcp_output (../../../netinet/tcp_output.c:813).
808 m->m_data += max_linkhdr;
809 m->m_len = hdrlen;
810 if (len <= MHLEN - hdrlen - max_linkhdr) {
811 m_copydata(so->so_snd.sb_mb, off, (int) len,
812 mtod(m, caddr_t) + hdrlen);
813 m->m_len += len;
814 } else {
815 m->m_next = m_copy(so->so_snd.sb_mb, off, (int) len);
816 if (m->m_next == 0) {
817 SOCKBUF_UNLOCK(&so->so_snd);
%%%
tcp_output.c rev 1.100.2.7.
--
Jeremie Le Hen
< jeremie at le-hen dot org >< ttz at chchile dot org >
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