Robert Watson <rwatson_at_FreeBSD.org> wrote: > > On Sun, 12 Nov 2006, Fabian Keil wrote: > > > Fabian Keil <freebsd-listen_at_fabiankeil.de> wrote: > > > >> Andre Oppermann <andre_at_freebsd.org> wrote: > > > >>> Please try this patch: > >>> > >>> http://people.freebsd.org/~andre/sendfile_fix-20061112.diff > >>> > >>> It fixes apache 2.0.59 for me. > >> > >> For me too, but I'm still seeing problems with Gatling/0.8. > > > > I just had to reboot the system and noticed several LORs before > > the login prompt. Because of this one: > > > > lock order reversal: > > 1st 0xc070b6a8 Giant (sleep mutex) > > _at_ /usr/src/sys/kern/uipc_syscalls.c:1335 2nd 0xc27e5b10 inp (udpinp) > > _at_ /usr/src/sys/netinet/udp_usrreq.c:1120 3rd 0xc27e30e0 so_snd (sleep > > mutex) _at_ /usr/src/sys/kern/uipc_sockbuf.c:95 > > This is the correct lock order, so there must be a new lock order > occuring earlier that gets added as the first order causing this one to > appear as the incorrect order. The following patch may help in making > the right lock order problem come to surface: > > Index: subr_witness.c > =================================================================== > RCS file: /home/ncvs/src/sys/kern/subr_witness.c,v > retrieving revision 1.220 > diff -u -r1.220 subr_witness.c > --- subr_witness.c 11 Nov 2006 03:18:06 -0000 1.220 > +++ subr_witness.c 13 Nov 2006 11:14:15 -0000 > _at__at_ -325,6 +325,7 _at__at_ > /* > * UDP/IP > */ > + { "Giant", &lock_class_mtx_sleep }, > { "udp", &lock_class_mtx_sleep }, > { "udpinp", &lock_class_mtx_sleep }, > { "so_snd", &lock_class_mtx_sleep }, Thanks, but the LORs are already gone in: FreeBSD 7.0-CURRENT #22: Mon Nov 13 12:47:19 CET 2006 Fabian -- http://www.fabiankeil.de/
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