Date: Fri, 9 Mar 2007 00:02:39 GMT From: Eric Kjeldergaard<kjelderg@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/110110: sysctl causing a lockup Message-ID: <200703090002.l2902duX067610@www.freebsd.org> Resent-Message-ID: <200703090010.l290A5IU050873@freefall.freebsd.org>
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>Number: 110110 >Category: kern >Synopsis: sysctl causing a lockup >Confidential: no >Severity: critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Mar 09 00:10:05 GMT 2007 >Closed-Date: >Last-Modified: >Originator: Eric Kjeldergaard >Release: 6.2 >Organization: >Environment: FreeBSD fluffy.dname.net 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Tue Mar 6 09:45:17 CST 2007 root@fluffy.dname.net:/usr/obj/usr/src/sys/FLUFFY i386 >Description: sysctl -a as a regular user, the following happens: dev.ugen.0.%desc: APC Back-UPS NS 600 FW:818.w1 .D USB FW:w1, rev 1.10/1.06, addr 2 dev.ugen.0.%driver: ugen dev.ugen.0.%location: port=1 And this is where it hangs. [halt sent] KDB: enter: Line break on console [thread pid 11 tid 100005 ] Stopped at kdb_enter+0x30: leave db> bt Tracing pid 11 tid 100005 td 0xc63f3780 kdb_enter(c0861819,c65960f8,6143c4,e4f67cf9,c63f2a78,...) at kdb_enter+0x30 siointr1(c6596000,0,c0861605,56e,e4f67c48,...) at siointr1+0x127 siointr(c6596000,c06343a1,c08c7d00,0,c63f3780,...) at siointr+0x35 intr_execute_handlers(c63e84c8,e4f67c60,e4f67ca4,c07e0db3,3a,...) at intr_execute_handlers+0x108 lapic_handle_intr(3a) at lapic_handle_intr+0x3a Xapic_isr1() at Xapic_isr1+0x33 --- interrupt, eip = 0xc0a13465, esp = 0xe4f67ca4, ebp = 0xe4f67ca4 --- acpi_cpu_c1(27d,c63f3780,e4f67cc0,246,c08c7d00,...) at acpi_cpu_c1+0x5 acpi_cpu_idle(e4f67d00,c0604a75,c08c7d40,2,c0845fee,...) at acpi_cpu_idle+0x18e cpu_idle(c08c7d40,2,c0845fee,70,c0847ea1,...) at cpu_idle+0x28 idle_proc(0,e4f67d38,c0845e80,32d,0,...) at idle_proc+0x95 fork_exit(c06049e0,0,e4f67d38) at fork_exit+0xc1 fork_trampoline() at fork_trampoline+0x8 --- trap 0x1, eip = 0, esp = 0xe4f67d6c, ebp = 0 --- So that seems bad. If there is any further information I could furnish you with, please give a holler. I don't think there is anything relevant in my kernel config (it's based on SMP with a LOT of nodevices and the pf and altq and debugging added in). >How-To-Repeat: I get here by executing sysctl -a as a regular user. It seems not to happen immediately upon boot, but after a while (hours? days? haven't zeroed in on it) >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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