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Re: Intel 82801H SATA interrupt issues
On Tue, Sep 03, 2024 at 01:15:01AM +0000, Emmanuel Dreyfus wrote:
> On Mon, Sep 02, 2024 at 07:29:15AM -0700, Brian Buhrow wrote:
> > hello. Can you tell which device is generating the interrupts
> > and where the interrupts are being routed?
>
> On NetBSD 10.0, systat vm says interrupts are from ioapic0 pin 19.
>
> dmesg says we find the following devices on NetBSD 9.3 (where no
> interrupt strom happens):
> uhci1: interrupting at ioapic0 pin 19
> piixide0: using ioapic0 pin 19 for native-PCI interrupt
> piixide1: using ioapic0 pin 19 for native-PCI interrupt
>
> On NetBSD 10.0:
> uhci1: interrupting at ioapic0 pin 19
> piixide0: using ioapic0 pin 19 for native-PCI interrupt
> ichsmb0: interrupting at ioapic0 pin 19
> piixide1: using ioapic0 pin 19 for native-PCI interrupt
>
> On NetBSD 10.0 boot does not finish because it gets:
> piixide0:0:0: lost interrupt
> type: ata tc_bcount: 512 tc_skip: 0
> piixide0:0:0: bus-master DMA error: missing interrupt, status=0x21
> wd0d: device timeout reading fsbn 0 (wd0 bn 0; cn 0 tn 0 sn 0), xfer f5c, retry 0)
>
> I tried the following and got the same result:
> - disabling ichsmb and uhci from userconf
> - disabling ACPI
> - disabling both ichsmb and uhci, and ACPI
>
> The following tests boot to multiuser with interrupt storms on ioapic0 pin 19
> - disabling piixide (pciide driver is used)
> - disabling piixide and pciide (no disk support)
> - disabling piixide, pciide and ichsmb (no disk support)
> - disabling piixide, pciide and uhci (no disk support)
Did you try just userconf disabling ichsmb?
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