Re: pci 0000:00:01:0: MSI quirk detected; subordinated MSI disabled ...
On Thu, Apr 15, 2021 at 06:30:41AM -0400, Gene Heskett wrote:
> On Thursday 15 April 2021 03:50:19 didier gaumet wrote:
>
> > Le 15/04/2021 à 02:29, Albretch Mueller a écrit :
> > > if I boot up passing to the kernel the start up option:
> > >
> > > knoppix64 debug pci=nomsi noapic
> > >
> > > I would get just two lines further bellow:
> > >
> > > pci 0000:00:01:0: MSI quirk detected; subordinated MSI disabled
> > > PCI Interrupt Link [LNKA] enabled at IRQ 11
> > > PCI: setting IRQ 11 as level-triggered
> > >
> > > and the boot process would stop.
> > >
> > > is there a way for me to know what the next step would be? The
> > > kernel boot up logs should be " (do)ing ....", "... ok"
> >
Hello Albretch
Are you still subject to constraints in what you can do with your hardware: I
know a while back in other threads on this mailing list you said that you had
to use virtual machines / live disks.
Is this a desktop / laptop and do you have the ability to change whatever
settings you need?
All the very best, as ever,
Andy C.
> > [...]
> >
> > Hello Albretch,
> >
> > I do not know if there is a way to deduce what the next step is in the
> > boot process of a particular hardware. And with systemd, the boot
> > procedure is parallelized
> >
> > I am afraid I have no tried and easy solution to propose to you
> >
> > I do not know what you motherboard is and how old it is.
> >
> > What I suggest would be to investigate if your BIOS or UEFI has
> > particular settings for PCI and try to adapt them to the hardware
> > present and the OS installed/to be installed.
> >
> > As a further measure, you could try to play with the different kernel
> > parameters to see if there is an improvement:
> >
> > https://www.kernel.org/doc/html/v4.14/admin-guide/kernel-parameters.ht
> >ml
> >
> > concerned parameters could be:
> > - *debug* (to increase the level on information you get at boot, but I
> > doubt it alittle because the Debian kernel is not built with all debug
> > options in order to be quicker at runtime)
> > - *irq* (whith the nomsi option, the system would, it seems, be in irq
> > mode) - *acpi*
> > - *bios* (to try to forbid the bios to be called by the OS to
> > determine how to call MSI/IRQ)
> > - *pci* and *pcie*
> >
> > As with Knoppix, you can pass a kernel option to the boot in Debian by
> > hitting "e" key at boot to edit the command line to launch the kernel
> >
> > Good luck :-)
>
> Or you could do what I did after fighting with an msi board for several
> years a decade back, feed it to the trash can and replace it with an ARK
> shoebox w/intel atom D-525-MW motherboad that was just enough power to
> get the job done, and Just Worked for a decade. But just in the last 90
> days has been replaced with a stack of Dell 7010's with i5 cpu's, off
> lease stuff for $150/copy. Much faster stuff, and makes 4 of the 6
> running in my farm identical. Simplifies things quite a bit.
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> If we desire respect for the law, we must first make the law respectable.
> - Louis D. Brandeis
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
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