Yinghai Lu wrote: > Len Brown wrote: >> On Mon, 21 Dec 2009, Yinghai Lu wrote: >> >>> Len Brown wrote: >>>> Does 3563ff964fdc36358cef0330936fdac28e65142a work or fail on your system? >>>> I didn't ask about reverting it, I asked if it works or fails. >>> i don't know. >>> >>> anything i should search in the bootlog? >> Please check out a branch at the commit identified above >> and tell us if the following issue: >> >> "it seems these three patches broke the _OSC on my intel new systems." >> >> "revert them fix the problem with AER and pciehp and etc" >> >> is present or absent on that branch. >> >> If the answer is yes, when stock 2.6.32 works, then the 3 patches >> between that commit and 2.6.32 are at fault. If the answer is no, >> yet reverting those patches helps top of tree, then the issue must >> be a merge conflict with other changes in 2.6.33. > > > 8aedf8a6ae98d5d4df3254b6afb7e4432d9d8600 > the one just before acpi release was merged to mainline > <fter pci merge...> > > it works. > with following change, AER could be loaded, but pciehp still can not be loaded. --- drivers/acpi/bus.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) Index: linux-2.6/drivers/acpi/bus.c =================================================================== --- linux-2.6.orig/drivers/acpi/bus.c +++ linux-2.6/drivers/acpi/bus.c @@ -424,7 +424,9 @@ acpi_status acpi_run_osc(acpi_handle han return status; /* return buffer should have the same length as cap buffer */ - if (context->ret.length != context->cap.length) + printk(KERN_INFO "run_acpi_osc: ret length %d cap length %d\n", + context->ret.length, context->cap.length); + if (context->ret.length < context->cap.length) return AE_NULL_OBJECT; out_obj = context->ret.pointer; -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html