Date: Fri, 2 Apr 2010 08:46:29 +0300 From: Oleg Lomaka <oleg.lomaka@gmail.com> To: pluknet <pluknet@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: panic during work with jailed postgresql8.4 Message-ID: <67FC0BD4-E06F-4DA1-AED3-B0D3B3D5A640@gmail.com> In-Reply-To: <g2qa31046fc1004011852p3686b01ct256072bf22fa4013@mail.gmail.com> References: <44FD9C14-7114-4270-A7B6-F029995BA282@gmail.com> <g2qa31046fc1004011852p3686b01ct256072bf22fa4013@mail.gmail.com>
index | next in thread | previous in thread | raw e-mail
On Apr 2, 2010, at 4:52 AM, pluknet wrote: > On 1 April 2010 22:18, Oleg Lomaka <oleg.lomaka@gmail.com> wrote: >> >> >> I have a kernel panic when connect to postgresql8.4 server installed in one of jails from another jail. It's 100% reproducible. >> Also I have tried to connect from host machine to jailed pg server. That way it works fine without crash. >> >> Server configuration uses geli and zfs. Four disks encrypted using geli. And raidz2 is using ad8.eli, ad10.eli, ad12.eli, ad14.eli providers. All jails located at this raidz2 pool. >> >> Also I use ezjail for jails management. And it uses NFS to mount directories with base system. >> >> atal double fault >> rip = 0xffffffff8063510a >> rsp = 0xffffff80eaec5f50 >> rbp = 0xffffff80eaec6040 >> cpuid = 1; apic id = 02 >> panic: double fault >> cpuid = 1 >> Uptime: 7m11s >> Physical memory: 8169 MB >> >> uname -a >> FreeBSD cerberus.regredi.com 8.0-STABLE FreeBSD 8.0-STABLE #7 r206031: Thu Apr 1 13:43:57 EEST 2010 root@cerberus.regredi.com:/usr/obj/usr/src/sys/GENERIC amd64 >> >> Link to dmesg.boot: >> http://docs.google.com/leaf?id=0B-irbkAqk9i7OGY2ZWJiODgtOWJmMy00NDQ1LTliZDctZjU3N2YwNmMxNjZl&hl=en >> >> Link to kernel core backtrace: >> http://docs.google.com/Doc?docid=0AeirbkAqk9i7ZGc5Yzc2ZndfM2M4NzYydmRw&hl=en > > Looking at backtrace, I wonder whether tp->t_maxseg changes in > tcp_mtudisc() at all. > You should be able to extract its value on each 2*n frame in that big > recursive call. You are right, pt->t_maxseg doesn't change (kgdb) frame 9 #9 0xffffffff807097e8 in tcp_mtudisc (inp=0xffffff00193c53f0, errno=Variable "errno" is not available. ) at tcp_offload.h:282 282 return (tcp_output(tp)); (kgdb) p tp->t_maxseg $1 = 14336 (kgdb) frame 11 #11 0xffffffff807097e8 in tcp_mtudisc (inp=0xffffff00193c53f0, errno=Variable "errno" is not available. ) at tcp_offload.h:282 282 return (tcp_output(tp)); (kgdb) p tp->t_maxseg $2 = 14336 ... (full log at http://docs.google.com/Doc?docid=0AeirbkAqk9i7ZGc5Yzc2ZndfNGQ4cWpia2dz&hl=en ) (kgdb) frame 81 #81 0xffffffff807097e8 in tcp_mtudisc (inp=0xffffff00193c53f0, errno=Variable "errno" is not available. ) at tcp_offload.h:282 282 return (tcp_output(tp)); (kgdb) p tp->t_maxseg $37 = 14336 (kgdb)help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?67FC0BD4-E06F-4DA1-AED3-B0D3B3D5A640>