Date: Tue, 29 Jul 1997 06:57:53 +0300 (EEST) From: Heikki Suonsivu <hsu@mail.clinet.fi> To: FreeBSD-gnats-submit@FreeBSD.ORG Subject: kern/4186: nfsiod, panic, page fault in kernel mode (frequent) Message-ID: <199707290357.GAA21415@katiska.clinet.fi> Resent-Message-ID: <199707290400.VAA04912@hub.freebsd.org>
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>Number: 4186 >Category: kern >Synopsis: nfsiod, panic, page fault in kernel mode (frequent) >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Jul 28 21:00:01 PDT 1997 >Last-Modified: >Originator: Heikki Suonsivu >Organization: Clinet, Espoo, Finland >Release: FreeBSD 2.2-STABLE i386 >Environment: 2.2-STABLE, upgraded to 20 th sup about a week ago. >Description: nfs clients seem to have become very unstable and keep locking up, usually with a panic message on the console and sitting at "syncing disks". This did not happen with sup from about a month ago. Fatal trap 12: page fault while in kernel mode fault virtual address: 0x87654371 fault code: supervisor read, page not present instruction pointer: 0x8:0xf0131acf stack pointer: 0x10:0xefbffd7c frame pointer: 0x10:0xefbffd8c code segment: base 0x0, limit 0xfffff, type 0x1b DPL 0, pres 1, def 32 1, gran 1 processor eflags: interrupt enabled, resume, IOPL = 0 current process: 93 (nfsiod) interupt mask: bio panic: page fault f013156c T _insmntque f01315d8 T _vwakeup f0131658 T _vinvalbuf f0131890 T _bgetvp f013192c T _brelvp f01319bc T _pbgetvp f0131a00 T _pbrelvp f0131a3c T _reassignbuf f0131b40 T _bdevvp f0131bac T _checkalias f0131cd8 T _vget f0131dbc T _vref f0131e04 T _vput f0131e58 T _vrele f0131f58 T _vflush f013207c T _vclean >How-To-Repeat: Seems to happen often with heavy nfs use. >Fix: >Audit-Trail: >Unformatted:
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