Date: Mon, 21 Aug 2006 17:07:44 +0200 From: "Patrick M. Hausen" <hausen@punkt.de> To: "Patrick M. Hausen" <hausen@punkt.de> Cc: freebsd-stable@freebsd.org Subject: Re: ICH7 SATA and em interrupt sharing Message-ID: <20060821150744.GN45736@hugo10.ka.punkt.de> In-Reply-To: <20060821145328.GL45736@hugo10.ka.punkt.de> References: <20060821120052.0B25816A526@hub.freebsd.org> <200608211414.16731.matt@chronos.org.uk> <20060821132743.GC45736@hugo10.ka.punkt.de> <44E9B7C1.9010708@goodforbusiness.co.uk> <20060821142613.GI45736@hugo10.ka.punkt.de> <44E9C5B3.90604@goodforbusiness.co.uk> <20060821145328.GL45736@hugo10.ka.punkt.de>
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Again ... On Mon, Aug 21, 2006 at 04:53:28PM +0200, Patrick M. Hausen wrote: > Seems finally I am able to reproduce part of the problems > some people see with their hardware. > > I used device.hints to force em0 to share its irq > with atapci1 - the SATA300 controller in my machine. > > atapci1: <Intel ICH7 SATA300 controller> port 0x30e8-0x30ef,0x30dc-0x30df,0x30e0-0x30e7,0x30d8-0x30db,0x30b0-0x30bf mem 0xdc500400-0xdc5007ff irq 19 at device 31.2 on pci0 > em0: <Intel(R) PRO/1000 Network Connection Version - 6.0.5> port 0x4000-0x401f mem 0xdc080000-0xdc09ffff,0xdc000000-0xdc07ffff irq 19 at device 0.0 on pci4 > > And pronto: > > em0: Missing Tx completion interrupt! > em0: Missing Tx completion interrupt! > em0: Missing Tx completion interrupt! > em0: Missing Tx completion interrupt! > em0: Missing Tx completion interrupt! > em0: Missing Tx completion interrupt! > > And the system is really sluggish when used via SSH over that NIC. > I've yet to provoke the "detached disk" problem, though. make -j4 buildworld and ... *boom* ad6: TIMEOUT - READ_DMA retrying ... ad4: TIMEOUT - READ_DMA retrying ... HTH, Patrick M. Hausen Leiter Netzwerke und Sicherheit -- punkt.de GmbH Internet - Dienstleistungen - Beratung Vorholzstr. 25 Tel. 0721 9109 -0 Fax: -100 76137 Karlsruhe http://punkt.de
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