Date: Tue, 25 Jan 2005 17:18:30 +0300 (MSK) From: Dmitry Morozovsky <marck@rinet.ru> To: Pawel Jakub Dawidek <pjd@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: 5.3-STABLE: handle_workitem_freefile panic Message-ID: <20050125171135.W30339@woozle.rinet.ru> In-Reply-To: <20050124223557.W1021@woozle.rinet.ru> References: <20050123170743.B34546@woozle.rinet.ru> <20050123172929.J34546@woozle.rinet.ru> <20050123164801.GB795@darkness.comp.waw.pl> <20050124223557.W1021@woozle.rinet.ru>
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On Mon, 24 Jan 2005, Dmitry Morozovsky wrote: DM> PJD> +> However: how can the be achieved the following goal: have mirrored swap (to DM> PJD> +> keep redundancy and HA) and a place to dump panic images to, modulo having DM> PJD> +> scratch disk and/or scratch unused partition? DM> PJD> DM> PJD> When you have dedicated mirror only for swap (e.g. mirror on ad0s1b and DM> PJD> ad2s1b) you probably should be able to dump into ad[02]s1b (but I didn't DM> PJD> test it). DM> DM> Well, dumpon -v /dev/ad4b (which is part of /dev/mirror/m0b with /dev/ad6b) DM> says it will dump on that, but: DM> DM> 1) it cannot read it on boot: DM> DM> Checking for core dump on /dev/ad4b ... DM> savecore: /dev/ad4b: Operation not permitted DM> savecore: no dumps found DM> DM> 2) entering ddb via Ctrl+Alt+Esc and issuin 'panic' command hangs the machine DM> hard. DM> DM> I'll test dumps on non-gmirrored disks tomorrow. Hmm, it cannot either. 'panic' from DDB prints stack trace, destroys all gmirror providers, and then locks hard. It's on Jan 25 17:07:20 <kern.crit> donkey kernel: atapci0: <VIA 6420 SATA150 controller> port 0xa800-0xa8ff,0xb000-0xb00f,0xb400-0xb403,0xb800-0xb807,0xd000-0xd003,0xd400-0xd407 irq 20 at device 15.0 on pci0 Jan 25 17:07:20 <kern.crit> donkey kernel: ata2: channel #0 on atapci0 Jan 25 17:07:20 <kern.crit> donkey kernel: ata3: channel #1 on atapci0 Jan 25 17:07:20 <kern.crit> donkey kernel: atapci1: <VIA 8237 UDMA133 controller> port 0xa400-0xa40f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 irq 20 at device 15.1 on pci0 Jan 25 17:07:20 <kern.crit> donkey kernel: ata0: channel #0 on atapci1 Jan 25 17:07:20 <kern.crit> donkey kernel: ata1: channel #1 on atapci1 Jan 25 17:07:20 <kern.crit> donkey kernel: ad4: 238475MB <WDC WD2500PD-00FZB1/05.05G05> [484521/16/63] at ata2-master SATA150 Jan 25 17:07:20 <kern.crit> donkey kernel: ad6: 238475MB <WDC WD2500PD-00FZB1/05.05G05> [484521/16/63] at ata3-master SATA150 and I was tried to dump on ad4b Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------
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