* Re: pcmcia: ti: regression cannot get IRQ
[not found] ` <52ec1b11-4756-4396-866b-6250c6018f93@app.fastmail.com>
@ 2023-01-02 15:15 ` Corentin Labbe
0 siblings, 0 replies; only message in thread
From: Corentin Labbe @ 2023-01-02 15:15 UTC (permalink / raw)
To: Arnd Bergmann, rafael, lenb, linux-acpi, erik.kaneda
Cc: Dominik Brodowski, linux-kernel
Le Mon, Jan 02, 2023 at 09:30:07AM +0100, Arnd Bergmann a écrit :
> On Sun, Jan 1, 2023, at 19:10, Corentin Labbe wrote:
> > Hello
> >
> > I was trying to boot again my old compaq armada 7400 laptop and the
> > network card is unusable.
> >
> > Last known working kernel is 4.16.18.
> > First known bad kernel is 4.17.19
> >
> > The interesting log is:
> > [ 3.503348] yenta_cardbus 0000:00:0c.0: ISA IRQ mask 0x0698, PCI irq
> > 0
> > [ 3.503442] yenta_cardbus 0000:00:0c.0: Socket status: 30000006
> > [ 3.505250] yenta_cardbus 0000:00:0c.1: CardBus bridge found
> > [0e11:b048]
> > [ 3.505370] yenta_cardbus 0000:00:0c.1: adjusting diagnostic: 60 ->
> > 00
> > [ 3.505457] yenta_cardbus 0000:00:0c.1: Using INTVAL to route CSC
> > interrupts to PCI
> > [ 3.505554] yenta_cardbus 0000:00:0c.1: Routing CardBus interrupts
> > to ISA
> > [ 3.505556] yenta_cardbus 0000:00:0c.1: TI: mfunc 0x00000000, devctl
> > 0x64
> > [ 3.505556] yenta_cardbus 0000:00:0c.1: TI: no PCI interrupts. Fish.
> > Please report.
> > [ 3.505556] yenta_cardbus 0000:00:0c.1: no PCI IRQ, CardBus support
> > disabled for this socket.
> > [ 3.505556] yenta_cardbus 0000:00:0c.1: check your BIOS CardBus,
> > BIOS IRQ or ACPI settings.
> > [ 3.632323] yenta_cardbus 0000:00:0c.1: ISA IRQ mask 0x0698, PCI irq
> > 0
> > [ 3.632416] yenta_cardbus 0000:00:0c.1: Socket status: 30000020
> >
> > Full 4.16.18 log is availlable at:
> > http://kernel.montjoie.ovh/zoo/armada/dmesg-4.16.18.txt
> > Since 4.17 (and 4.18) is stuck sarting init, I have log for 5.0.29
> > Full 5.0.29 log is availlable at:
> > http://kernel.montjoie.ovh/zoo/armada/dmesg-5.0.21.txt
>
> I see you hit this code path:
>
> if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
> /* No IRQ or request_irq failed. Poll */
> socket->cb_irq = 0; /* But zero is a valid IRQ number. */
> timer_setup(&socket->poll_timer, yenta_interrupt_wrapper, 0);
> mod_timer(&socket->poll_timer, jiffies + HZ);
> dev_info(&dev->dev,
> "no PCI IRQ, CardBus support disabled for this socket.\n");
> dev_info(&dev->dev,
> "check your BIOS CardBus, BIOS IRQ or ACPI settings.\n");
> } else {
>
>
> The "socket->cb_irq" is just the device IRQ, which is originally
> set to "11", and this one appears to be shared with all the other
> PCI devices:
>
> [ 2.402035] ACPI: PCI Interrupt Link [C168] (IRQs *11)
> [ 2.403507] ACPI: PCI Interrupt Link [C16C] (IRQs *11)
> [ 2.405461] ACPI: Blank _CRS EXT IRQ resource
> [ 2.405546] ACPI: PCI Interrupt Link [C16D] (IRQs 11) *0, disabled.
> [ 2.407578] ACPI: Blank _CRS EXT IRQ resource
> [ 2.407663] ACPI: PCI Interrupt Link [C16E] (IRQs 11) *0, disabled.
> [ 2.409610] ACPI: Blank _CRS EXT IRQ resource
> [ 2.409695] ACPI: PCI Interrupt Link [C16F] (IRQs 11) *0, disabled.
> [ 2.411647] ACPI: Blank _CRS EXT IRQ resource
> [ 2.411733] ACPI: PCI Interrupt Link [C170] (IRQs 11) *0, disabled.
> [ 2.413690] ACPI: Blank _CRS EXT IRQ resource
> [ 2.413775] ACPI: PCI Interrupt Link [C171] (IRQs 11) *0, disabled.
> [ 2.416055] ACPI: Blank _CRS EXT IRQ resource
> [ 2.416140] ACPI: PCI Interrupt Link [C172] (IRQs 11) *0, disabled.
>
> If any of them try to get the IRQ as non-shared, then the cardbus
> one would fail. Do you see anything suspicious in /proc/interrupts?
>
Hello
On 4.16.18 /proc/interrupts:
CPU0
0: 55783 XT-PIC timer
1: 9 XT-PIC i8042
2: 0 XT-PIC cascade
8: 0 XT-PIC rtc0
11: 684 XT-PIC acpi, yenta, yenta, eth2
12: 136 XT-PIC i8042
14: 1526 XT-PIC pata_triflex
15: 0 XT-PIC pata_triflex
NMI: 0 Non-maskable interrupts
LOC: 0 Local timer interrupts
SPU: 0 Spurious interrupts
PMI: 0 Performance monitoring interrupts
IWI: 0 IRQ work interrupts
RTR: 0 APIC ICR read retries
TRM: 0 Thermal event interrupts
THR: 0 Threshold APIC interrupts
MCE: 0 Machine check exceptions
MCP: 1 Machine check polls
ERR: 0
MIS: 0
PIN: 0 Posted-interrupt notification event
NPI: 0 Nested posted-interrupt event
PIW: 0 Posted-interrupt wakeup event
On 5.0.21 /proc/interrupts give:
CPU0
0: 4736 XT-PIC timer
1: 9 XT-PIC i8042
2: 0 XT-PIC cascade
4: 438 XT-PIC ttyS0
8: 0 XT-PIC rtc0
11: 0 XT-PIC acpi
12: 136 XT-PIC i8042
14: 1224 XT-PIC pata_triflex
15: 0 XT-PIC pata_triflex
NMI: 0 Non-maskable interrupts
LOC: 0 Local timer interrupts
SPU: 0 Spurious interrupts
PMI: 0 Performance monitoring interrupts
IWI: 0 IRQ work interrupts
RTR: 0 APIC ICR read retries
TRM: 0 Thermal event interrupts
THR: 0 Threshold APIC interrupts
MCE: 0 Machine check exceptions
MCP: 1 Machine check polls
ERR: 227
MIS: 0
PIN: 0 Posted-interrupt notification event
NPI: 0 Nested posted-interrupt event
PIW: 0 Posted-interrupt wakeup event
I have bisected this to:
first bad commit: [5a8361f7ecceaed64b4064000d16cb703462be49] ACPICA: Integrate package handling with module-level code
So I added ACPI people.
Regards
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