From owner-freebsd-sparc64@FreeBSD.ORG Mon Apr 19 01:13:50 2004 Return-Path: Delivered-To: freebsd-sparc64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 966F116A4CE for ; Mon, 19 Apr 2004 01:13:50 -0700 (PDT) Received: from tts.orel.ru (tts.orel.ru [213.59.64.67]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8F1E943D1D for ; Mon, 19 Apr 2004 01:13:48 -0700 (PDT) (envelope-from bel@orel.ru) Received: from orel.ru (lg.orel.ru [62.33.11.59]) by tts.orel.ru (8.12.10/8.12.10/bel) with ESMTP id i3J8DijP014073 for ; Mon, 19 Apr 2004 12:13:45 +0400 Message-ID: <40838A37.2050800@orel.ru> Date: Mon, 19 Apr 2004 12:13:43 +0400 From: Andrew Belashov Organization: ORIS User-Agent: Mozilla/5.0 (X11; U; FreeBSD sparc64; en-US; rv:1.6) Gecko/20040407 X-Accept-Language: ru, en-us, en MIME-Version: 1.0 To: freebsd-sparc64@freebsd.org X-Enigmail-Version: 0.83.5.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Zombi-Check: on netra2.orel.ru Subject: Re: watchdog reset X-BeenThere: freebsd-sparc64@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Porting FreeBSD to the Sparc List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Apr 2004 08:13:50 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello! RJ45 wrote: | I wrote some time ago about this problem. | I have sporadic watchdog reset errors and machine goes to PROM. | I have ultra 60 dual 450MHz. | | Someone told me that it could be faulty hardware (RAM for example). | Anyway this kind of error never occourred me with solaris 9 installed. | | So I ask here if someone else has this kind of sporadic problem | with other ultra type of workstations. | | I added debug options to the kernel but I could not trace anything useful | once the machine is in PROM I have to reset it and no kernel crash dump | is written to the disk at boot time. Rebuild kernel without SMP option and try it. I have statistics for five phisical machines for period more of one year. Versions of FreeBSD from 5.0-RELEASE to CURRENT. | N |Machine | CPUs | SMP option | Stability +---+--------------+------+------------+----------------------- | 1 |Netra T1 105 | 1 | YES | Excellent | 2 |Netra T1 105 | 1 | YES | Excellent | 3 |Ultra 10 | 1 | YES | Excellent | 4a|Ultra 60 | 2 | YES | Bad | 4b|-//- | 2 | NO | Excellent | 5a|Ultra 60 | 2 | YES | Bad | 5b|-//- | 2 | NO | Excellent Ultra 60 periodical hard lookup when kernel build with SMP option :( Also, with option DDB (kernel debugger) kernel may by generate strange panic: =================================================================== panic: ipi_send: couldn't send ipi cpuid = 1; Debugger("panic") Stopped at Debugger+0x1c: ta %xcc, 1 db> trace panic() at panic+0x134 cpu_ipi_send() at cpu_ipi_send+0xb0 cpu_ipi_selected() at cpu_ipi_selected+0x38 tlb_page_demap() at tlb_page_demap+0x74 pmap_zero_page_idle() at pmap_zero_page_idle+0xe4 vm_page_zero_idle() at vm_page_zero_idle+0x74 vm_pagezero() at vm_pagezero+0xb4 fork_exit() at fork_exit+0x90 fork_trampoline() at fork_trampoline+0x8 =================================================================== With best regards, Andrew Belashov. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFAg4o1wF8YpH80o/IRAuPHAJ9GA9X82kYl6HOzmg04cocuePzA+QCdH3oI dVX8wnq1QcLS4Ffj4/oALHU= =ojw1 -----END PGP SIGNATURE-----