Date: Sat, 27 Mar 2004 06:43:53 +0100 From: Jiri Mikulas <konfer@mikulas.com> To: current@freebsd.org Subject: PANIC: size of mbuf chain Message-ID: <40651499.4010702@mikulas.com>
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Hello Yesterday I upgraded to 5.2.1-RELEASE-p3 and got this panic for twelve times.. is it corrected in -CURRENT ? thanks for info Jiri. ~~~cut~~~ panic: m_copym, length > size of mbuf chain syncing disks, buffers remaining... 553 553 553 553 553 553 553 553 553 553 553 553 553 553 553 553 553 553 553 553 giving up on 509 buffers Uptime: 1h6m10s Dumping 255 MB 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 --- Reading symbols from /usr/obj/usr/src/sys/ROUTER-IPFW-IPF-DEBUG/modules/usr/src/sys/modules/acpi/acpi.ko.debug...done. Loaded symbols for /usr/obj/usr/src/sys/ROUTER-IPFW-IPF-DEBUG/modules/usr/src/sys/modules/acpi/acpi.ko.debug Reading symbols from /usr/obj/usr/src/sys/ROUTER-IPFW-IPF-DEBUG/modules/usr/src/sys/modules/linprocfs/linprocfs.ko.debug...done. Loaded symbols for /usr/obj/usr/src/sys/ROUTER-IPFW-IPF-DEBUG/modules/usr/src/sys/modules/linprocfs/linprocfs.ko.debug Reading symbols from /usr/obj/usr/src/sys/ROUTER-IPFW-IPF-DEBUG/modules/usr/src/sys/modules/linux/linux.ko.debug...done. Loaded symbols for /usr/obj/usr/src/sys/ROUTER-IPFW-IPF-DEBUG/modules/usr/src/sys/modules/linux/linux.ko.debug #0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240 240 dumping++; (kgdb) bt #0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240 #1 0xc05481fc in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:372 #2 0xc0548587 in panic () at /usr/src/sys/kern/kern_shutdown.c:550 #3 0xc05852b5 in m_copym (m=0x0, off0=1500, len=1480, wait=4) at /usr/src/sys/kern/uipc_mbuf.c:211 #4 0xc05e77f1 in ip_fragment (ip=0xc1b7c020, m_frag=0xcdca9b80, mtu=-1049854656, if_hwassist_flags=0, sw_csum=1) at /usr/src/sys/netinet/ip_output.c:1219 #5 0xc05e740f in ip_output (m0=0x1, opt=0xc1b7c020, ro=0xc32a48b0, flags=1, imo=0x0, inp=0x0) at /usr/src/sys/netinet/ip_output.c:1047 #6 0xc05da9e0 in transmit_event (pipe=0xc2ef6500) at /usr/src/sys/netinet/ip_dummynet.c:452 #7 0xc05dad53 in ready_event (q=0xc31ce200) at /usr/src/sys/netinet/ip_dummynet.c:604 #8 0xc05db3a2 in dummynet (unused=0x0) at /usr/src/sys/netinet/ip_dummynet.c:759 #9 0xc0558b58 in softclock (dummy=0x0) at /usr/src/sys/kern/kern_timeout.c:225 #10 0xc05347d2 in ithread_loop (arg=0xc16a6580) at /usr/src/sys/kern/kern_intr.c:544 #11 0xc05337c4 in fork_exit (callout=0xc0534640 <ithread_loop>, arg=0x0, frame=0x0) at /usr/src/sys/kern/kern_fork.c:793 (kgdb) up 3 #3 0xc05852b5 in m_copym (m=0x0, off0=1500, len=1480, wait=4) at /usr/src/sys/kern/uipc_mbuf.c:211 211 KASSERT(len == M_COPYALL, (kgdb) up 1 #4 0xc05e77f1 in ip_fragment (ip=0xc1b7c020, m_frag=0xcdca9b80, mtu=-1049854656, if_hwassist_flags=0, sw_csum=1) at /usr/src/sys/netinet/ip_output.c:1219 1219 m->m_next = m_copy(m0, off, len); (kgdb) up 1 #5 0xc05e740f in ip_output (m0=0x1, opt=0xc1b7c020, ro=0xc32a48b0, flags=1, imo=0x0, inp=0x0) at /usr/src/sys/netinet/ip_output.c:1047 1047 error = ip_fragment(ip, &m, ifp->if_mtu, ifp->if_hwassist, sw_csum); (kgdb) up 1 #6 0xc05da9e0 in transmit_event (pipe=0xc2ef6500) at /usr/src/sys/netinet/ip_dummynet.c:452 452 (void)ip_output((struct mbuf *)pkt, NULL, NULL, 0, NULL, NULL); (kgdb) up 1 #7 0xc05dad53 in ready_event (q=0xc31ce200) at /usr/src/sys/netinet/ip_dummynet.c:604 604 transmit_event(p); (kgdb) up 1 #8 0xc05db3a2 in dummynet (unused=0x0) at /usr/src/sys/netinet/ip_dummynet.c:759 759 ready_event(p) ; (kgdb) up 1 #9 0xc0558b58 in softclock (dummy=0x0) at /usr/src/sys/kern/kern_timeout.c:225 225 c_func(c_arg); (kgdb)
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