On Thu, Oct 7, 2010 at 11:39 AM, Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote: > On 10/07/2010 11:29 AM, Luis R. Rodriguez wrote: >> >> On Thu, Oct 7, 2010 at 11:14 AM, Johannes Berg >> <johannes@xxxxxxxxxxxxxxxx> Âwrote: >>> >>> On Thu, 2010-10-07 at 10:33 -0700, Ben Greear wrote: >>>> >>>> In case it helps, here is a dump of where the corrupted SKB was deleted. >>> >>> I wonder, do you have a machine with a decent IOMMU? Adding IOMMU >>> debugging into the mix could help you figure out if it's a DMA problem. >> >> Ben, how much traffic are you RX'ing on these virtual interfaces? > > I disabled my user-space application, and this script alone can reproduce > the problem fairly quickly on my system. ÂYou will need to change some > of those first variables. ÂJust start it and wait a few minutes and > watch the splats show on the console :) > > Note that I am not generating any traffic, but the wpa_supplicants are > doing their thing of course... > > I'm using the kernel found here: > http://dmz2.candelatech.com/git/gitweb.cgi?p=linux.wireless-testing.ct/.git;a=summary > > It's latest wireless-testing with some of my own patches, and some > I've gathered from here an there. ÂI doubt I'm causing this problem, > but if you can't reproduce it with this script on your kernels, > I can try with base wireless-testing or whatever you are using. I'll run this now, but can you try a vanilla wireless-testing? I hear the latest wireless-testing is borked so maybe try (git reset --hard master-2010-09-29), its what I'm on. Luis -- 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
