On Fri, Nov 19, 2010 at 5:13 PM, Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote: > It's been another frustrating week for using ath9k. > > With a patched wpa_supplicant (found here: > https://github.com/greearb/hostap-ct/tree/) > I can reliably cause ath9k to spew all sorts of DMA warnings > and evidently crash the hard-drive controller and/or corrupt the > file system so bad that fsck cannot fix it. Â(Back up anything you > want to keep before attempting to reproduce this.) > > The test case is simply create 30 or so STA interfaces, run one instance > of the patched wpa_supplicant to control the 30 interfaces, and send > a bit of traffic across the interfaces. ÂIt's not even needed to send > any significant data...probably just the supplicant associate logic > is enough. > > You'll want the xmit locking patch Felix posted or it will likely spew > lockdep warnings and/or lockup before it gets a chance to crash your > hard drive. > > There are no other /n NICs that can do virtual stations, so I must > either get ath9k functional or give up on that feature set entirely. > > If anyone wants to help with this and cannot easily reproduce it, > please let me know and I'll furnish scripts etc to make it easier > to reproduce. > > I'm also happy to help test patches. If you can provide scripts it will help. The easier it is to reproduce the easier it can get fixed. 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
