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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" <jdbaker%consolidated.net@localhost>
To: "gnats-bugs%NetBSD.org@localhost" <gnats-bugs%netbsd.org@localhost>
Subject: Re: kern/55115 (siisata(4) broken after enabling MSI support)
Date: Sat, 28 Mar 2020 11:51:42 -0500 (CDT)
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On Sat, 28 Mar 2020, Jarom=C3=ADr Dole=C4~Mek wrote:
> I think it's unlikely it's board problem (wm0 is using MSI and works),
I wrote nearly the same thing before I saw this message.
> but perhaps worth checking if by change there would be any BIOS
> settings enabling MSI just for particular slots.
I'll take a look when I next get a chance.
> Another option would be to simply disable MSI for Sii3124. It's an old
> chip used for old PCI/PCI-X cards, so not much of those left in wild.
That explains a lot. I should have included more in the relevant snippet
of dmesg. My SiI3124 is a 1x PCIe card, but it's the PCI/PCI-X chip behind
a PCIe-PCI reverse bridge:
ppb4 at pci4 dev 0 function 0: Pericom Semiconductors PI7C9X111SL PCIe to P=
CI Reverse Bridge (rev. 0x02)
ppb4: PCI Express capability version 1 <PCI-E to PCI/PCI-X Bridge>
pci5 at ppb4 bus 5
pci5: i/o space, memory space enabled, rd/line, wr/inv ok
siisata0 at pci5 dev 4 function 0: CMD Technology SiI3124 SATALink (rev. 0x=
siisata0: interrupting at ioapic0 pin 19
siisata0: SiI3124, 3.0Gb/s
siisata0: 32-bit 66MHz PCI
See also my message about slot placement.
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