Date: Thu, 17 Apr 2014 22:12:49 +0200 From: Andrea Venturoli <ml@netfence.it> To: freebsd-questions@freebsd.org Cc: FreeBSD Panic Reporting <cperciva+panicmail@freebsd.org> Subject: Re: Kernel panic Message-ID: <535035C1.8020203@netfence.it> In-Reply-To: <201404171124.s3HBOYTd002436@ns1.biolchim.it> References: <201404171124.s3HBOYTd002436@ns1.biolchim.it>
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On 04/17/14 13:24, FreeBSD Panic Reporting wrote: > A kernel panic has occurred on this system. You can assist in > debugging this by allowing some information to be reported > about this panic. Hello. I got the following crash today, while I was playing with MTU values. AFAICT this is related to bug kern/155585. I see that bug is closed, because it was "merged to stable/9". Obviously it is not merged into 8.4; is it in 9.1? 9.2? bye & Thanks av. > The following information is contained in the encrypted panic > report at the end of this email: > >> Dump header from device /dev/mfid0s1b >> Architecture: amd64 >> Architecture Version: 2 >> Dump Length: 1188327424B (1133 MB) >> Blocksize: 512 >> Dumptime: Thu Apr 17 13:20:27 2014 >> Hostname: xxxxx.xxxxxxxx.xx >> Magic: FreeBSD Kernel Dump >> Version String: FreeBSD 8.4-RELEASE-p8 #7 r264450: Mon Apr 14 10:35:51 CEST 2014 >> root@xxxxx.xxxxxxxx.xx:/usr/obj/usr/src/sys/XXXXX >> Panic String: double fault >> Dump Parity: 2547754091 >> Bounds: 17 >> Dump Status: good >> >> Backtrace: >> Reading symbols from /boot/kernel/splash_bmp.ko...Reading symbols from /boot/kernel/splash_bmp.ko.symbols...done. >> done. >> Loaded symbols for /boot/kernel/splash_bmp.ko >> Reading symbols from /boot/kernel/linprocfs.ko...Reading symbols from /boot/kernel/linprocfs.ko.symbols...done. >> done. >> Loaded symbols for /boot/kernel/linprocfs.ko >> Reading symbols from /boot/kernel/linux.ko...Reading symbols from /boot/kernel/linux.ko.symbols...done. >> done. >> Loaded symbols for /boot/kernel/linux.ko >> Reading symbols from /boot/kernel/nullfs.ko...Reading symbols from /boot/kernel/nullfs.ko.symbols...done. >> done. >> Loaded symbols for /boot/kernel/nullfs.ko >> Reading symbols from /boot/kernel/fdescfs.ko...Reading symbols from /boot/kernel/fdescfs.ko.symbols...done. >> done. >> Loaded symbols for /boot/kernel/fdescfs.ko >> #0 doadump () at pcpu.h:224 >> in pcpu.h >> (kgdb) #0 doadump () at pcpu.h:224 >> #1 0xffffffff803104f8 in boot (howto=260) >> at /usr/src/sys/kern/kern_shutdown.c:443 >> #2 0xffffffff803109e7 in panic (fmt=0x1 <Address 0x1 out of bounds>) >> at /usr/src/sys/kern/kern_shutdown.c:634 >> #3 0xffffffff804f74a6 in dblfault_handler (frame=<value optimized out>) >> at /usr/src/sys/amd64/amd64/trap.c:875 >> #4 0xffffffff804decad in Xdblfault () >> at /usr/src/sys/amd64/amd64/exception.S:284 >> #5 0xffffffff803ee644 in ipfw_chk (args=0xffffff81aedf9060) >> at /usr/src/sys/netinet/ipfw/ip_fw2.c:790 >> #6 0xffffffff803f3a6a in ipfw_check_hook (arg=<value optimized out>, >> m0=0xffffff81aedf9228, ifp=0xffffff0005166000, dir=<value optimized out>, >> inp=0xffffff01c57ef3f0) at /usr/src/sys/netinet/ipfw/ip_fw_pfil.c:137 >> #7 0xffffffff803cfcbc in pfil_run_hooks (ph=<value optimized out>, >> mp=0xffffff81aedf92e8, ifp=0xffffff0005166000, dir=2, >> inp=0xffffff01c57ef3f0) at /usr/src/sys/net/pfil.c:82 >> #8 0xffffffff803fc163 in ip_output (m=0xffffff0005cf9000, >> opt=<value optimized out>, ro=0xffffff81aedf9300, flags=0, imo=0x0, >> inp=0xffffff01c57ef3f0) at /usr/src/sys/netinet/ip_output.c:511 >> #9 0xffffffff8046514b in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1230 >> #10 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #11 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #12 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #13 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #14 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #15 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #16 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #17 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #18 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #19 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #20 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #21 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #22 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #23 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #24 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #25 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #26 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #27 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #28 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #29 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #30 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #31 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #32 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #33 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #34 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #35 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #36 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #37 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #38 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #39 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #40 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #41 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #42 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #43 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #44 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #45 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #46 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #47 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #48 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #49 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #50 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #51 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #52 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #53 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #54 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #55 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #56 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #57 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #58 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #59 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #60 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #61 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #62 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #63 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #64 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #65 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #66 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #67 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #68 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #69 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #70 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #71 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #72 0xffffffff80467ee8 in tcp_mtudisc (inp=0xffffff01c57ef3f0, >> mtuoffer=<value optimized out>) at tcp_offload.h:282 >> #73 0xffffffff80465fe4 in tcp_output (tp=0xffffff0073776000) >> at /usr/src/sys/netinet/tcp_output.c:1291 >> #74 0xffffffff80470815 in tcp_usr_send (so=0xffffff0198202aa0, flags=0, >> m=<value optimized out>, nam=0x0, control=<value optimized out>, >> td=0xffffff0005794000) at tcp_offload.h:282 >> #75 0xffffffff803789e6 in sosend_generic (so=0xffffff0198202aa0, addr=0x0, >> uio=0xffffff81aedfcad0, top=0xffffff0005bb4700, control=0x0, >> flags=<value optimized out>, td=0xffffff0005794000) >> at /usr/src/sys/kern/uipc_socket.c:1295 >> #76 0xffffffff8035b3fb in soo_write (fp=<value optimized out>, >> uio=0xffffff81aedfcad0, active_cred=<value optimized out>, >> flags=<value optimized out>, td=<value optimized out>) >> at /usr/src/sys/kern/sys_socket.c:100 >> #77 0xffffffff8035409b in dofilewrite (td=0xffffff0005794000, fd=35, >> fp=0xffffff0005724820, auio=0xffffff81aedfcad0, >> offset=<value optimized out>, flags=0) at file.h:254 >> #78 0xffffffff803543b0 in kern_writev (td=0xffffff0005794000, fd=35, >> auio=0xffffff81aedfcad0) at /usr/src/sys/kern/sys_generic.c:447 >> #79 0xffffffff80354435 in write (td=<value optimized out>, >> uap=<value optimized out>) at /usr/src/sys/kern/sys_generic.c:363 >> #80 0xffffffff804f6d14 in amd64_syscall (td=0xffffff0005794000, traced=0) >> at subr_syscall.c:114 >> #81 0xffffffff804dee9c in Xfast_syscall () >> at /usr/src/sys/amd64/amd64/exception.S:387 >> #82 0x0000000801cf222c in ?? () >> (kgdb)
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