Date: Mon, 29 Mar 2010 22:25:29 +0300 From: Alexander Motin <mav@FreeBSD.org> To: Harald Schmalzbauer <h.schmalzbauer@omnilan.de> Cc: freebsd-stable@FreeBSD.org Subject: Re: ahcich timeouts, only with ahci, not with ataahci Message-ID: <4BB0FEA9.5000104@FreeBSD.org> In-Reply-To: <4BB07BF7.6070602@omnilan.de> References: <1266934981.00222684.1266922202@10.7.7.3> <4B83EFD4.8050403@FreeBSD.org> <4B8E1489.2070306@omnilan.de> <4B8E1B3D.306@FreeBSD.org> <4BB07BF7.6070602@omnilan.de>
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Harald Schmalzbauer wrote: > I have the drives now running in another server, ich7 chipset. > Using UFS, the complete machine locks up for ~30 secs with disk load of > 3.5MB/s. But I don't get any timeout messages and the machine always > recovered. Most of ICH7's do not support AHCI. What's about your's? > Changing to the old ata driver solves the problem. Did I get right that you have switched from ahci(4) to ataahci? > Any chance to get this problem fixed? I couldn't see lockups on another > OS with NCQ in AHCI mode enabled. I'd ship such a disk to anyone who is > willing to debug. It's difficult to fix something, until problem could be reproduced. If you wish to send drive - my address is: Topol-2, b34, f150, Dnepropetrovsk, 49040, Ukraine. Phone: +380503622312. Do not use courier services, only regular mail. Ask for tracking number. -- Alexander Motin
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