Date: Thu, 8 Oct 2009 01:17:16 +0200 From: Paul B Mahol <onemda@gmail.com> To: Boris Kochergin <spawk@acm.poly.edu> Cc: freebsd-net@freebsd.org, Rui Paulo <rpaulo@freebsd.org>, Joost Mulders <j@joostm.nl> Subject: Re: PCI card for wlan AP Message-ID: <3a142e750910071617y2bc3b9e1r9af2d3ce54a818cd@mail.gmail.com> In-Reply-To: <4ACCFADF.6090603@acm.poly.edu> References: <768BD7F8-7B04-4111-8A69-0D1118361E96@joostm.nl> <4ACCE651.1060607@acm.poly.edu> <824A1142-42E3-4B2E-AE72-489AD5AB7D49@freebsd.org> <4ACCFADF.6090603@acm.poly.edu>
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On 10/7/09, Boris Kochergin <spawk@acm.poly.edu> wrote: > Rui Paulo wrote: >> On 7 Oct 2009, at 20:04, Boris Kochergin wrote: >>> >>> The heavily-used ones exhibit the problem described at: >>> >>> http://lists.freebsd.org/pipermail/freebsd-net/2009-September/022894.html >>> >>> >>> >>> ...but that's a driver, not a hardware, issue. The one in the router >>> at my house doesn't exhibit the problem, the two differences there >>> being that the machine is 7.0-RELEASE, and there are only a couple of >>> clients connected to it, as opposed to the ~30 connected to my >>> heavily-used ones. >> >> Are you sure you have sufficient RAM to hold 30 users? >> >> What you seem to be saying is that the ath driver is leaking mbufs and >> hence you get a panic, right? >> >> -- >> Rui Paulo >> >> >> > Pretty sure. The Soekris has 256 MB of RAM. I suspect that it's a leak > because things are usually great, even with ~30 users, with the > "80211node" portion from "vmstat -m" only taking a few hundred KiB of > RAM. Every few days, it spikes to over 100 MiB, and the "ath0: Interesting, is it actually memory leak? (I try to hunt one down when using if_ndis(4) but without success) > ath_rx_proc: no mbuf!" kernel messages appear, often followed by a > panic. I haven't had time to try another rate-control algorithm, as per > the responses to my post, but I'll report back when I do get around to it.
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