Dan Aloni <[email protected]> writes:
> Hello,
>
> After upgrading from 2.6.18.3 to 2.6.19.2 on an x86_64 machine I noticed
> that the EHCI USB host is unable to work properly after a kexec invocation.
> This makes it impossible to mount the rootfs in the configuration I'm using.
>
> According to the prints, the irq changes from 23 to 10.
>
> NOTE: Since the device is already connected at boot, I've added a patch
> that disables the scanning delay for the first detected device, in order
> to shorten the time it takes for the boot process. It worked on 2.6.18.3,
> so I wonder what has changed...
At first glance it looks like acpi didn't come on in the kexec'd kernel.
Do you see anything like the line below.
> [ 78.139976] ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 23 (level, low) -> IRQ
Could your provide the full bootlogs instead of these partial ones?
There is enough context missing I don't think anyone can do more than
agree you are seeing a problem.
Eric
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