http://bugzilla.kernel.org/show_bug.cgi?id=5790
[EMAIL PROTECTED] changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|acpi_config- |[EMAIL PROTECTED]
|[EMAIL PROTECTED] |
|bugs.osdl.org |
Status|NEW |ASSIGNED
Summary|Too many requests for IRQ 11|serial8250: too much work
| |for irq11
------- Comment #6 from [EMAIL PROTECTED] 2007-08-19 00:46 -------
No, this system does not appear to have an IOAPIC.
> Local APIC disabled by BIOS -- reenabling.
> Found and enabled local APIC!
Please do _not_ boot with the "lapic" parameter.
Assume that the BIOS disabled the LAPIC for a good reason.
> Kernel command line: root=/dev/sda7 selinux=0 resume=/dev/sda11
> splash=silent showopts lapic apic=debug acpi=ht
Please do not boot with "acpi=ht" -- it is effectively
the same as "acpi=off" on this system. However, you have
effectively proved that the issue at hand is not caused by ACPI:-)
> serial8250: too much work for irq11
The first part of this message turns out to be important,
it tells us that it is the serial 8250 driver complaining....
In particular, serial8250_interrupt() is complaining
that it has to much to do.
Indeed, it appears to be polling 4 serial ports on a shared IRQ...
So fix the bootparams above, re-test with something recent, say 2.6.22
and let us know how things look...
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