From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 15 Jun 2009 23:36:07 +0200 (CEST) Received: from web23606.mail.ird.yahoo.com ([87.248.115.49]:38662 "HELO web23606.mail.ird.yahoo.com" rhost-flags-OK-OK-OK-OK) by ftp.linux-mips.org with SMTP id S1492724AbZFOVgB convert rfc822-to-8bit (ORCPT ); Mon, 15 Jun 2009 23:36:01 +0200 Received: (qmail 37312 invoked by uid 60001); 15 Jun 2009 21:34:57 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.co.uk; s=s1024; t=1245101697; bh=sBeAL6SOj1vhW4UcbOM5ggHmKlPJWpahel2mbl2/18A=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding; b=zzhRwQ8920Ir00z0T80x14H6PDVN74rMmQOgFDutQYvtJPfcx0JZwf1cX2D+30YtRT3D/yA2q+yrV89T/VSopaIRr/EyduSroGondn3fQe2zvR3XyoIWjSXenzrWGru1GRr68s2XO3zac9Qymi6bX2cN2J3MDbbKQSalKVentdk= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.co.uk; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding; b=Z3v+hc4G8OWSTtKNfAEvq0QVTfKu6oRAc/3h0tdpdr63WzzqurE+GlmrD4t3yHPfUxuibcFRnQ+8VgQA00oP+OeeflUgSpNhV0iKKZnIZKx3tQn5Rko0qLCLqI3belE/lwsqzGLVAD6koiFnnc2RW4gJOsGfAGzUZFTBJCo3PKg=; Message-ID: <818181.15589.qm@web23606.mail.ird.yahoo.com> X-YMail-OSG: _BdlTlIVM1kQ2fdCNynP7ATlgecCBg6hpd9klPqTmC_w8_2sKKmqOrUSuEwQEl0945_MBwV3FfMdzcNanPLEcviRkGMzqah43H_L0G_JxMkqC5bYyoWyhGlNysAXWLgLTLQpmlBwRDmNJQW71vczhRZGUPBh_qVFb.v8hTRVoJTE7ajB5AzhT5QAF5Fn7YPnQ5ruKGne.n12auCHq6ksfbSe3LzArbBwd25iq5DoO8w35tbcA2KR_WPcLXW2TmfqxQ1lNihx0yiyDfIS7jM.rO8ybSE8cWM1Wm_89tq1kRD3M1RLmm.sM4MorLN5QWgws9_b01v6XPF._.RSWpdSmIOc2Dz8e.EQe8oUgBWlDZ8MvFpZe__J78KExLzVlA-- Received: from [87.113.23.116] by web23606.mail.ird.yahoo.com via HTTP; Mon, 15 Jun 2009 21:34:57 GMT X-Mailer: YahooMailClassic/5.4.12 YahooMailWebService/0.7.289.15 Date: Mon, 15 Jun 2009 21:34:57 +0000 (GMT) From: Glyn Astill Subject: Re: Qube2 slowly dies To: "Kevin D. Kissell" Cc: linux-mips@linux-mips.org MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8BIT Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 23426 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: glynastill@yahoo.co.uk Precedence: bulk X-list: linux-mips --- On Fri, 12/6/09, Kevin D. Kissell wrote: > > Your description sounds an awful lot > like failures I've seen when > interrupts get lost or blocked for some reason (could be > hardware, the > kernel, or some interaction between them).  Have you > looked at > to see if "Spurious" interrupts are > occurring, or if > the rate of serviced timer and I/O interrupts decreases or > increases as > the system degrades? > > > > No I haven't checked - but I will. What would I be > looking for that would stick out as "spurious"? > The type of interrupt, qty or random interrupts appearing > and dissapearing? > > > There's a separate counter, and /proc/interrupts > report, for spurious > interrupts. > > I've just tested it and I see no extra counters appearing, unless the cascade is an issue deb:~# cat /proc/interrupts CPU0 0: 1 XT-PIC timer 2: 0 XT-PIC cascade 8: 2 XT-PIC rtc0 9: 0 XT-PIC ohci_hcd:usb1, ehci_hcd:usb2, ohci_hcd:usb3 14: 3166 XT-PIC ide0 15: 0 XT-PIC ide1 18: 0 MIPS cascade 19: 4399 MIPS eth0 21: 361 MIPS serial 22: 0 MIPS cascade 23: 274025 MIPS timer 32: 2 GT641xx gt641xx_timer0 When the machine starts to go, the cpu time column in top sometimes shows nan - surely that shouldn't happen -it should be either 0 or >0 Any other ides chaps?