Nono, they're free. There's no active pages after an unload. Thus, they're fine.
Ok, so now I need to go and audit things in more depth.
On 2 April 2013 17:24, Joshua Isom <jri...@gmail.com> wrote:
> hw.busdma.total_bpages: 8250
> hw.busdma.zone0.total_bpages: 8250
> hw.busdma.zone0.free_bpages: 8250
> hw.busdma.zone0.reserved_bpages: 0
> hw.busdma.zone0.active_bpages: 0
> hw.busdma.zone0.total_bounced: 3836
> hw.busdma.zone0.total_deferred: 0
> hw.busdma.zone0.lowaddr: 0xffffffff
> hw.busdma.zone0.alignment: 4096
> They'd not freed.
> On 4/2/2013 5:33 PM, Adrian Chadd wrote:
>> Ok, can you:
>> * bring the interface down cleanly (ifconfig wlan0 down);
>> * unload the ath driver (kldunload if_ath and kldunload if_ath_pci)
>> * sysctl hw.busdma, and just add it to the list here?
>> I'd like to make sure that it's freeing all the bounce buffer pages.
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