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Re: kern/55115 (siisata(4) broken after enabling MSI support)

The following reply was made to PR kern/55115; it has been noted by GNATS.

From: "John D. Baker" <>
Subject: Re: kern/55115 (siisata(4) broken after enabling MSI support)
Date: Sat, 28 Mar 2020 11:25:58 -0500 (CDT)

 In case it's relevant, the host also has a PCIe wm(4) ethernet card,
 i82574L and it uses MSI without issue.
 The siisata card is a 1x PCIe card but is installed in a 16x slot (that
 would commonly be used for a video card, but this machine has built-in
 intel video hardware).  The wm(4) card is a 1x PCIe card installed in
 a physical 1x slot.
 I mention this as I have seen problems with non-video cards being
 mis-identified when installed in the 16x PCIe slot.  (A 2-port wm(4)
 card in the 16x slot of a Dell OptiPlex 760 was mis-identified as an
 SDVO device by the machine's BIOS and couldn't be netbooted and didn't
 show up in dmesg when booted from local disk.)
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