On Tue, May 29, 2007 at 04:10:14PM +0200, Michal Piotrowski wrote: > Hi all, > > Zhang, Yanmin napisa??(a): > > PCI-Express AER support in kernel requires BIOS to provide _OSC support > > to allow the AER Root port service driver to request for native control > > of AER. If a root port supports AER capablity, but BIOS doesn't provide > > _OSC for it, aerdriver will print many debug information to system console. > > Below is a log example. > > > > *******************Error information example************ > > Evaluate _OSC Set fails. Status = 0x0005 > > Evaluate _OSC Set fails. Status = 0x0005 > > aer_init: AER service init fails - Run ACPI _OSC fails > > aer: probe of 0000:00:02.0:pcie01 failed with error 2 > > Evaluate _OSC Set fails. Status = 0x0005 > > Evaluate _OSC Set fails. Status = 0x0005 > > aer_init: AER service init fails - Run ACPI _OSC fails > > aer: probe of 0000:00:04.0:pcie01 failed with error 2 > > Evaluate _OSC Set fails. Status = 0x0005 > > Evaluate _OSC Set fails. Status = 0x0005 > > aer_init: AER service init fails - Run ACPI _OSC fails > > aer: probe of 0000:00:06.0:pcie01 failed with error 2 > > ******************End of Error information example****** > > > > > > As _OSC is an optional capability of BIOS, such error information looks > > like overly-verbosed. The patch against kernel 2.6.21 changes it to just > > print one line report messages if aerdriver fails to attach the root port > > service device. > > > > Below is an example of new output. > > AER service couldn't init device 0000:00:02.0:pcie01 - no _OSC support > > > > > > Signed-off-by: Zhang Yanmin <[EMAIL PROTECTED]> > > > > --- > > > [..] > > This patch fixes a 2.6.21 regression. Please add this to the -stable and > mainline queue.
Care to forward the above patch to the [EMAIL PROTECTED] address after it goes into Linus's tree? thanks, greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
