Date: Wed, 16 Mar 2011 12:24:01 GMT From: Vladimir Kutakov <vova@ashmanov.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/155597: Kernel panics with "sbdrop" message Message-ID: <201103161224.p2GCO1SW020444@red.freebsd.org> Resent-Message-ID: <201103161230.p2GCUCgT085678@freefall.freebsd.org>
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>Number: 155597 >Category: kern >Synopsis: Kernel panics with "sbdrop" message >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Mar 16 12:30:12 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Vladimir Kutakov >Release: 7.4 RELEASE >Organization: >Environment: FreeBSD nickel.novoteka.ru 7.4-RELEASE FreeBSD 7.4-RELEASE #0: Wed Mar 9 17:28:54 MSK 2011 prince@nickel.novoteka.ru:/usr/obj/usr/src/sys/GENERIC amd64 >Description: The machine works as webserver and has panic "sbdrop" after some hours of work. The network is rather loaded, but not extremly (about 20-30kpps input). Please let me know if some additional information needed. I want to resolve the problem very much. Here is the backtrace from the dumped core: (kgdb) bt #0 doadump () at pcpu.h:196 #1 0xffffff000706d3a0 in ?? () #2 0xffffffff8054d4da in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:421 #3 0xffffffff8054d8f2 in panic (fmt=Variable "fmt" is not available. ) at /usr/src/sys/kern/kern_shutdown.c:576 #4 0xffffffff805a9976 in sbdrop_internal (sb=Variable "sb" is not available. ) at /usr/src/sys/kern/uipc_sockbuf.c:843 #5 0xffffffff8069d53c in tcp_do_segment (m=0xffffff01b5618400, th=0xffffff01573e4022, so=0xffffff013eecd2d0, tp=0xffffff016f9f8000, drop_hdrlen=40, tlen=0) at /usr/src/sys/netinet/tcp_input.c:2043 #6 0xffffffff8069ed48 in tcp_input (m=0xffffff01b5618400, off0=Variable "off0" is not available. ) at /usr/src/sys/netinet/tcp_input.c:847 #7 0xffffffff8063a2eb in ip_input (m=0xffffff01b5618400) at /usr/src/sys/netinet/ip_input.c:663 #8 0xffffffff805f2ee1 in ether_demux (ifp=0xffffff00070f5000, m=0xffffff01b5618400) at /usr/src/sys/net/if_ethersubr.c:834 #9 0xffffffff805f315e in ether_input (ifp=0xffffff00070f5000, m=0xffffff01b5618400) at /usr/src/sys/net/if_ethersubr.c:692 #10 0xffffffff8031ddb9 in igb_rxeof (que=Variable "que" is not available. ) at /usr/src/sys/dev/e1000/if_igb.c:4097 #11 0xffffffff8031e1a8 in igb_msix_que (arg=Variable "arg" is not available. ) at /usr/src/sys/dev/e1000/if_igb.c:1309 #12 0xffffffff8052b0e5 in ithread_loop (arg=0xffffff00070fe100) at /usr/src/sys/kern/kern_intr.c:1181 #13 0xffffffff80527b43 in fork_exit (callout=0xffffffff8052af70 <ithread_loop>, arg=0xffffff00070fe100, frame=0xffffff800013fc80) at /usr/src/sys/kern/kern_fork.c:811 #14 0xffffffff80800f3e in fork_trampoline () at /usr/src/sys/amd64/amd64/exception.S:554 #15 0x0000000000000000 in ?? () #16 0x0000000000000000 in ?? () >How-To-Repeat: Direct netwotk traffic to the machine and wait some hours. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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