Date: Fri, 30 Sep 2011 18:48:32 GMT From: "Jakub Szafrański" <szafranski@admin.net.pl> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/161169: ZFS causes kernel panic in dbuf_dirty Message-ID: <201109301848.p8UImW7Y059153@red.freebsd.org> Resent-Message-ID: <201109301850.p8UIo31Q060386@freefall.freebsd.org>
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>Number: 161169 >Category: kern >Synopsis: ZFS causes kernel panic in dbuf_dirty >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Sep 30 18:50:02 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Jakub Szafrański >Release: 8.2-RELEASE-p3 >Organization: admin.net.pl >Environment: FreeBSD mydevil.mydevil.net 8.2-RELEASE-p3 FreeBSD 8.2-RELEASE-p3 #7: Wed Sep 28 17:06:07 CEST 2011 root@mydevil.mydevil.net:/usr/obj/usr/src/sys/mydevil amd64 >Description: FreeBSD 8.2-RELEASE-p3 seems to panic with ZFS dbuf_dirty function: Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x28 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff80b488cb stack pointer = 0x28:0xffffff851544a550 frame pointer = 0x28:0xffffff851544a600 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 46860 (nginx) [thread pid 46860 tid 101076 ] Stopped at dbuf_dirty+0x1b: movq 0x28(%rax),%rax >How-To-Repeat: I don't know how to reproduce this bug, it happened only once. >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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