From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Randy.Dunlap" Subject: Re: Asus A8V , via vt8251 AHCI Date: Tue, 1 Nov 2005 19:57:15 -0800 Message-ID: <20051101195715.212ea264.rdunlap@xenotime.net> References: <20051101064058.GA4902@vcr.star-c.com> <20051101192449.GA9719@vcr.star-c.com> <20051102034151.GA7583@vcr.star-c.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from xenotime.net ([66.160.160.81]:51078 "HELO xenotime.net") by vger.kernel.org with SMTP id S1751488AbVKBEFF (ORCPT ); Tue, 1 Nov 2005 23:05:05 -0500 Received: from midway ([71.111.157.99]) by xenotime.net for ; Tue, 1 Nov 2005 20:05:04 -0800 In-Reply-To: <20051102034151.GA7583@vcr.star-c.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org Cc: ibedonc@star-c.com, linux-ide@vger.kernel.org On Tue, 1 Nov 2005 21:41:51 -0600 Don Carroll wrote: > well , I have 2.6.14 running , did fix my lost timer tick problem (another > issue) but no go on it with irqpoll , recompiling now without MSI, I am > attaching a dmesg output This boot log isn't the one where you tried irqpoll, right? I.e., it doesn't show that in the message log. > On Tue, Nov 01, 2005 at 12:42:02PM -0800, Randy.Dunlap wrote: > > > > Please don't drop cc's and/or to's. > > Back to the mailing list now... > > > > On Tue, 1 Nov 2005, Don Carroll wrote: > > > > > kernel = Mandriva default Linux vcr.star-c.com 2.6.12-12mdksmp #1 SMP Fri Sep 9 > > > 17:20:34 CEST 2005 x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ > > > unknown GNU/Linux > > > attaching default config for mandriva linux , I just edited the ahci.c and > > > built the module from that , did not do a complete kernel install > > > > The default config is uniprocessor, not SMP. But your kernel > > verison string above says SMP... > > > > In either case it looks like it is using local APIC and IO APIC. > > That's all that's required to cause the problem that I am > > familiar with. > > > > You can at least do test (a) below (boot with the "irqpoll" > > option on the kernel command line) and report on that. > > (without rebuilding the kernel) > > > > Test (b) requires rebuilding the kernel, which is going > > to be needed to fix this problem (if I'm right about it). > > > > > > > On Tue, Nov 01, 2005 at 07:40:06AM -0800, Randy.Dunlap wrote: > > > > On Tue, 1 Nov 2005, Don Carroll wrote: > > > > > > > > > Hi , I added pci id 3349 to achi.c and I get it to load now > > > > > ahci version 1.00 > > > > > ACPI: PCI Interrupt 0000:00:0f.0[B] -> GSI 21 (level, low) -> IRQ 217 > > > > > PCI: Via IRQ fixup for 0000:00:0f.0, from 10 to 9 > > > > > ahci(0000:00:0f.0) AHCI 0001.0000 32 slots 4 ports 3 Gbps 0xf impl SATA mode > > > > > ahci(0000:00:0f.0) flags: 64bit ncq pm led clo pmp pio slum part > > > > > ata3: SATA max UDMA/133 cmd 0xFFFFC20000038900 ctl 0x0 bmdma 0x0 irq 217 > > > > > ata4: SATA max UDMA/133 cmd 0xFFFFC20000038980 ctl 0x0 bmdma 0x0 irq 217 > > > > > ata5: SATA max UDMA/133 cmd 0xFFFFC20000038A00 ctl 0x0 bmdma 0x0 irq 217 > > > > > ata6: SATA max UDMA/133 cmd 0xFFFFC20000038A80 ctl 0x0 bmdma 0x0 irq 217 > > > > > ata3: no device found (phy stat 00000000) > > > > > scsi2 : ahci > > > > > ata4: no device found (phy stat 00000000) > > > > > scsi3 : ahci > > > > > ata5: no device found (phy stat 00000000) > > > > > scsi4 : ahci > > > > > ata6 is slow to respond, please be patient > > > > > ata6 failed to respond (30 secs) > > > > > scsi5 : ahci > > > > > > > > > > I have a drive on ata6 , but it does not respond , timesout > > > > > > > > > > this is Mandriva 2006 x86_64 and it has 2.6.12 I have not been able to get .14 > > > > > to compile yet , does this look like something that ahci 1.01 would help , any > > > > > ideas ? > > > > > > > > Yes. > > > > (a) boot with "irqpoll" added to the kernel command line to see > > > > if the kernel can route the missed interrupts. > > > > > > > > different test: > > > > (b) Disable CONFIG_PCI_MSI and reboot/retest (without "irqpoll"). > > > > > > > > and report the results of those. > > > > > > > > What are your configs for SMP and APIC options? > > > > > > > > -- > > > > ~Randy > --- ~Randy