Date: Fri, 1 Dec 2006 21:42:30 -0500 (EST) From: Alex Vasylenko <lxv@omut.org> To: FreeBSD-gnats-submit@FreeBSD.org Subject: amd64/106186: panic in swap_pager_swap_init (amd64/smp/6.2-pre) Message-ID: <200612020242.kB22gURW018665@blackbox.intranet> Resent-Message-ID: <200612020250.kB22o642061487@freefall.freebsd.org>
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>Number: 106186 >Category: amd64 >Synopsis: panic in swap_pager_swap_init (amd64/smp/6.2-pre) >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-amd64 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Dec 02 02:50:06 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Alex Vasylenko >Release: FreeBSD 6.2-PRERELEASE amd64 >Organization: >Environment: System: FreeBSD blackbox.intranet 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #1: Fri Dec 1 20:36:12 EST 2006 root@:/usr/obj/usr/src/sys/GENERIC-AMD64-C amd64 >Description: I tried to upgrade an amd64x2 box from "FreeBSD 6.1-STABLE #36: Mon Sep 4 11:22:15 EDT 2006" to "FreeBSD 6.2-PRERELEASE #1: Mon Nov 13 10:01:57 EST 2006" and found that a newly built kernel panics on boot as follows: SMP: AP CPU #1 Launched! panic: failed to create swap_zone. cpuid = Trying to mou0 KDB: enter: nt root from ufpanic [thread pid 40 tid 100040 ] Stopped at kdb_enter+0x2f db> where Tracing pid 40 tid 100040 td 0xffffff003b9e24c0 kdb_enter() at kdb_enter+0x2f panic() at panic+0x291 swap_pager_swap_init() at swap_pager_swap_init+0x20c vm_pageout() at vm_pageout+0x17c fork_exit() at fork_exit+0x86 fork_trampoline() at fork_trampoline+0xe --- trap 0, rip = 0, rsp = 0xffffffffa753bd00, rbp = 0 --- old dmesg: http://www.omut.org/~lxv/bbox-dmesg-20060824 new dmesg (-v): http://www.omut.org/~lxv/bbox-dmesg-20061113-v kernel config: http://www.omut.org/~lxv/bbox-GENERIC-BBOX >How-To-Repeat: >Fix: There are several known workarounds: - GENERIC (UP) kernel works fine; - my kernel (a stripped down SMP) with "options SMP" removed works; - my kernel with SMP enabled and either -v or -d (followed by cont) works. ... and the best one discovered by another person who also experiences this issue: - have FireWire-related drivers removed from kernel configuration file (firewire/sbp/fwe) >Release-Note: >Audit-Trail: >Unformatted:
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