From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: Sy@eeyore.fc.hp.com, Dely L <dely.l.sy@intel.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.9-rc2-mm4 - Getting dev->irq equals 0
Date: Fri, 1 Oct 2004 16:40:47 -0600 [thread overview]
Message-ID: <200410011640.47357.bjorn.helgaas@hp.com> (raw)
> I encountered a problem in running shpchp & pciehp drivers on
> 2.6.9-rc2-mm4 kernel. With ACPI & MSI enabled in the kernel, I
> got dev->irq properly for the hot-plug controllers. With ACPI
> enabled and MSI not-enabled in this kernel, I got dev->irq
> equal 0 for the controllers. With the same options set in
> 2.6.8.1 & 2.6.9-rc2, things worked fine on the same system.
Does it make any difference if you boot with "pci=routeirq"?
I haven't looked at MSI recently, but it's possible that's
sensitive to have all the IRQs programmed at boot-time.
If that does make a difference, please send me the output
of lspci and a dmesg.
next reply other threads:[~2004-10-01 22:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-01 22:40 Bjorn Helgaas [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-10-04 19:16 Sy, Dely L
2004-10-01 17:10 Sy, Dely L
2004-10-01 19:14 ` Andrew Morton
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