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From: Joshua Isom <jrisom@gmail.com>
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To: Adrian Chadd <adrian@freebsd.org>
Subject: Re: ath not working after a motherboard and ram upgrade
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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.
>
> Thanks,
>
>
> adrian
>