On 02/08/2012 07:44 AM, Arend van Spriel wrote:
On 02/08/2012 02:02 PM, Johannes Berg wrote:
I rerun the test on a kernel with some more lock checking and got lucky.
Feb 8 08:40:17 lb-bun-10 kernel: [ 514.512283] wlan0: authenticate
with 98:fc:11:8e:94:57
Feb 8 08:40:17 lb-bun-10 kernel: [ 514.512515] wlan0: send auth to
98:fc:11:8e:94:57 (try 1/3)
Feb 8 08:40:17 lb-bun-10 kernel: [ 514.514184] BUG: unable to handle
kernel NULL pointer dereference at 00000004
...
Apparently, minstrel_ht expects some tx_status field filled in by
brcmsmac/mac80211. Have not found the problem yet.
So the patch you sent fixes this? Just making sure it's not a different
thing.
johannes
Yes. I should probably have referred to this thread.
I have also seen the same crash in minstrel_tx_status, but it showed up in the
middle of revising p54usb to use asynchronous firmware loading, and I thought I
had some kind of subtle timing problem in the initialization. I certainly will
test the patch and report back.
Larry
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