Date: Tue, 26 Aug 2008 16:40:40 -0700 From: Julian Elischer <julian@elischer.org> To: James Gritton <jamie@gritton.org> Cc: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>, FreeBSD virtualization mailing list <freebsd-virtualization@freebsd.org> Subject: Re: panic in vimage/jamie_jail_set Message-ID: <48B49478.4020203@elischer.org> In-Reply-To: <48B48BFD.4050108@gritton.org> References: <20080824141835.K66593@maildrop.int.zabbadoz.net> <48B48BFD.4050108@gritton.org>
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James Gritton wrote: > I haven't seen the panic you describe, but on a jail_set_vimage > integrated from the latest vimage code, I get a similar idle network panic. > > This happens in tcp_hc_purge(), which clearly expected a struct vnet > pointer as its argument, but is only ever called with NULL. It seems > reasonable to pass tcp_hc_init's curvnet as the argument, but I don't > know if there are referencing issues. I've made a change that fixes a mismerge where teh callout_reset was called and told to call tcp_hc_purge with a null instead of the current vnet. Bjoern, see if that helps.. (just tcp_hostcache.c needs fixing) > > - Jamie > > > Bjoern A. Zeeb wrote: >> Hi, >> >> I had a jamie_jail_set kernel running from >> db> x/s version >> version: FreeBSD 8.0-CURRENT #0: Fri Aug 15 10:01:11 UTC 2008 ... >> >> and it paniced while standing idle. I am not sure if that had been >> fixed in the vimage branch but not integrated into jamie_jail_set or >> if this was a different issue to what kris had seen? >> >> Unfortunately the console hasn't been to reliable, so this is what I >> have: >> >> panic: in ../../../netinet/tcp_usrreq.c:1281 tcp_ctloutput()^M^@ >> vnet=0xc7067000 curvnet=0^M^@ >> cpuid = 0^M^@ >> KDB: enter: panic^M^@ >> [thread pid 852 tid 100051 ]^M^@ >> Stopped at kdb_enter+0x3a: movl $0,kdb_why^M^@ >> >> Tracing pid 852 tid 100051 td 0xc74f5d20 >> kdb_enter(c0b04531,c0b04531,c0b05c88,c6f4b59c,0,...) at kdb_enter+0x3a >> panic(c0b05c88,c0b1cb7f,501,c0a9f8a2,c7067000,...) at panic+0x12c >> tcp_ctloutput(c7546c60,c6f4b744,c07f3c0a,c7546c60,0,...) at >> tcp_ctloutput+0x5e >> sosetopt(c7546c60,c6f4b744,1,0,c73b6400,...) at sosetopt+0x3d >> nfs_connect(c7467000,c7670000,c0b20436,21d,c7670044,...) at >> nfs_connect+0x1b9 >> nfs_reconnect(c7670044,0,c0b20436,2e2,0,...) at nfs_reconnect+0x15e >> nfs_request(c725bb84,c7379400,4,c74f5d20,c7547900,...) at >> nfs_request+0x6c3 >> nfs3_access_otw(c7547900,0,c0b20ac9,180,0,...) at nfs3_access_otw+0xde >> nfs_access(c6f4b9cc,c6f4b9b4,c077bed7,c74f5d20,c6f4ba18,...) at >> nfs_access+0x15e >> VOP_ACCESS_APV(c0bf16a0,c6f4b9cc,c6f4b954,0,c6f4b95c,...) at >> VOP_ACCESS_APV+0xa5 >> nfs_lookup(c6f4ba78,c6f4ba78,5000044,80000,c725bb84,...) at >> nfs_lookup+0xcb >> VOP_LOOKUP_APV(c0bf16a0,c6f4ba78,c0b0fd3c,1b0,c6f4bb9c,...) at >> VOP_LOOKUP_APV+0xa5 >> lookup(c6f4bb84,c0b0fd3c,d8,c0,c7547e2c,...) at lookup+0x57e >> namei(c6f4bb84,c6f4bb24,60,0,c74f5d20,...) at namei+0x44b >> kern_statat(c74f5d20,0,ffffff9c,804ec77,0,...) at kern_statat+0x64 >> kern_stat(c74f5d20,804ec77,0,c6f4bc18,6b,...) at kern_stat+0x36 >> stat(c74f5d20,c6f4bcf8,8,c0b0a981,c0bd7400,...) at stat+0x2f >> syscall(c6f4bd38) at syscall+0x2a3 >> Xint0x80_syscall() at Xint0x80_syscall+0x20 >> --- syscall (188, FreeBSD ELF32, stat), eip = 0x28163c6b, esp = >> 0xbfbfea3c, ebp = 0xbfbfed38 --- >> >> /bz >> > _______________________________________________ > freebsd-virtualization@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization > To unsubscribe, send any mail to > "freebsd-virtualization-unsubscribe@freebsd.org"
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