Date: Mon, 16 Aug 2004 23:39:13 -0600 From: "William D. Colburn" <wcolburn@nmt.edu> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/70562: Fatal Trap 12 in kernel mode from samba3 with QUOTA support Message-ID: <20040817053913.GA4114@nmt.edu> Resent-Message-ID: <200408170540.i7H5eQwQ055233@freefall.freebsd.org>
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>Number: 70562 >Category: kern >Synopsis: Fatal Trap 12 in kernel mode from samba3 with QUOTA support >Confidential: no >Severity: critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Aug 17 05:40:26 GMT 2004 >Closed-Date: >Last-Modified: >Originator: William D. Colburn (aka Schlake) >Release: FreeBSD 5.2.1-RELEASE-p9 i386 >Organization: New Mexico Institute of Mining and Technology >Environment: System: FreeBSD newuserhost.nmt.edu 5.2.1-RELEASE-p9 FreeBSD 5.2.1-RELEASE-p9 #0: Sat Aug 14 16:55:45 MDT 2004 wcolburn@newuserhost.nmt.edu:/usr/obj/usr/src/sys/USERHOST i386 A Del 2650, running FreeBSD 5.2.1, with current everything (from today) via cvsup. The kernel config is a copy of GENERIC with "ident" changed to "USERHOST" and "options QUOTA" added. The samba compile is standard (with QUOTA enabled). >Description: If a user logs into a Windows XP box connected to the samba server then the machine panics. Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x8 fault code = supervisor read, page not present instruction pointer = 0x8:0xc0689c0f stack pointer = 0x10:0xec926c70 frame pointer = 0x10:0xec926ce4 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 870 (smbd) trap number = 12 panic: page fault cpuid = 0; boot() called on cpu#0 >How-To-Repeat: Compile a kernel with QUOTA, install samba with QUOTA, try logging in to a windows box connected to the samba server. The filesystem that samba is accessing is not a filesystem with quotas enabled, but we haven't tested yet to see if that matters. >Fix: Turning off QUOTA in samba seems to stabilize it. >Release-Note: >Audit-Trail: >Unformatted:
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