Date: Sun, 2 Oct 2011 21:43:51 -0700 From: Roman Bogorodskiy <novel@FreeBSD.org> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-wireless@freebsd.org Subject: Re: bwn + BETA3/ppc = very unstable Message-ID: <20111003044350.GD1943@reemsky> In-Reply-To: <20111003024406.GC1943@reemsky> References: <20111002232848.GA1943@reemsky> <CAJ-Vmo=DidydmY3Lr-WhMnNfPRODnO0C4rd=%2B2XcdeUDUe4WoA@mail.gmail.com> <20111003024406.GC1943@reemsky>
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--pY3vCvL1qV+PayAL Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Roman Bogorodskiy wrote: > Adrian Chadd wrote: >=20 > > There've been a few comments about bwn stability and performance when > > running on ppc. > > Unfortunately I don't have any ppc hardware that's suitable. > >=20 > > The performance issue is likely due to endianness in some eeprom fiddli= ng code. > >=20 > > The illegal instruction? i'm not sure; can you please get a backtrace > > from the debugger so we can see exactly where it's dying? >=20 > Thanks for the info! >=20 > I will try to get a backtrace. >=20 > Unfortunately, keyboard for some reason stops working when kernel > crashes, so I cannot get it online and also there's nothing in > /var/crash (but it seems dumpdev and dumpdir are set correctly by > default), so will need to figure out how to do it. >=20 > Roman Bogorodskiy Hm, I have applied a fix similar to this one: http://www.openbsd.org/cgi-bin/cvsweb/src/sys/dev/ic/bwi.c.diff?r1=3D1.88;r= 2=3D1.89 I'm not sure if it's a coincidence or not, but I had no panics since then. Packet loss rate are still very high - first packets go through without losses, but eventually loss rate goes up. Now uptime is 1 hour and loss rate is about 80-85%. Any directions how can I debug this? Roman Bogorodskiy --pY3vCvL1qV+PayAL Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iQEcBAEBAgAGBQJOiT2GAAoJEMltX/4IwiJq6qkIAIQf13hGfGDsQaTl5ZEbrquX PgKCFI9MagibWZEmZRQVof0mYJGM7DEM7ujLQch2krC97dW5mI/bctw5pPvC0ePW fY1oCrRhefmInvlbIT0RX6MWoKPp2t5S59e0fs2FKEZY0AMXoL83prn3dTv2IlSF +30rjFKKMuz2avRb4bSr+yF4U7FXihGD+JFBS1k2fdHrCCaZbrpvbSmlPZbxOGI7 D1ezwyBqP+O1iy76tXpKA8jK4YMRA8nVcWC0Xd7bUYCgKLgQjl6m05BfgCpVMH70 hJI2s4lw1KWecha18X/Flt2ri0TQlRJk4Pbm9c8uZtgaEnPtWtpcgqBzY7f8NlE= =yg/8 -----END PGP SIGNATURE----- --pY3vCvL1qV+PayAL--
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