On Mon, Apr 30, 2012 at 20:03, John W. Linville <linville@xxxxxxxxxxxxx> wrote: > On Mon, Apr 30, 2012 at 04:58:04PM +0200, Antonio Quartulli wrote: >> On Sun, Apr 22, 2012 at 08:29:29PM +0200, Antonio Quartulli wrote: >> > Hello, >> > >> > since linux-3.0 (I don't remember if it was the case even before), I'm getting >> > this output in dmesg: >> > >> > [ 53.662990] ------------[ cut here ]------------ >> > [ 53.663016] WARNING: at drivers/iommu/intel-iommu.c:2911 >> > intel_unmap_page+0x14b/0x180() >> > [ 53.663047] Hardware name: Latitude E5420 >> > [ 53.663066] Driver unmaps unmatched page at PFN ffd1a000 >> >> >> I see that I always get the same addr passed to the unmap function: >> >> [ 23.950535] Driver unmaps unmatched page at PFN ffd1a000 >> >> is it a coincidence? >> I'm running linux-3.3.3 right now. I can try wireless-testing if it would help. > > Just for the record, we are seeing a similar problem on RHEL 6.3 > (which has an iwlwifi driver derived from linux-3.2). > > https://bugzilla.redhat.com/show_bug.cgi?id=815998 > John I want to hope that this bugzilla would be solved by Johannes rework of the locks: 08ae86ac3f9d9c9a60d2883c82cd72a5c66b94db in wireless-next. There are a few patches that completely rewrite the locking model of the driver. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
