Date: Mon, 19 Jun 2006 14:27:29 -0500 From: Reid Linnemann <lreid@cs.okstate.edu> To: Sam Leffler <sam@errno.com> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: atheros 'device timeout' Message-ID: <4496FAA1.90900@cs.okstate.edu> In-Reply-To: <4493737D.80704@errno.com> References: <20060615225419.D0494A0631@a.cs.okstate.edu> <4493737D.80704@errno.com>
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As was spoken by Sam Leffler on 06/16/06 22:14~ > Reid Linnemann wrote: >> On 6/14/2006, "Sam Leffler" <sam@errno.com> wrote: >>> Reid Linnemann wrote: >>>> Thanks Sam, I've disabled power save mode in both wireless windows >>>> clients and I'll see if the problem lightens up. Also, do you know why >>>> device timeouts would be spat out by the driver when no stations are >>>> associated with the AP? The device timeouts persisted after my clients >>>> were shut down, and no other stations appear to be in the area. >>> No idea. The problem with buffered mcast frames is because the h/w xmit >>> queue for the frames stops running and blocks the lower priority queues >>> causing the watchdog timer to fire (and generate the device timeout >>> msg). I'm pretty sure this is a race between ath_tx_start and >>> ath_beacon_proc but I've not had time to rework the code and test (this >>> problem does not exist in the linux version but it's structured very >>> differently). If no clients are associated (or associated w/ power save >>> enabled) then no frames should be buffered and this problem should not >>> occur. To debug you can enable reset msgs in the driver (athdebug >>> reset) and look to see what h/w q the frame(s) were on when the reset >>> was done. Note that to do that you must enable ATH_DEBUG. >>> >>> Sam Sam, I grabbed a clean 6-STABLE tree today, recompile, and I got another timeout captured. The debug output does look slightly different: ath0: device timeout ath_draintxq: beacon queue 0x3e9ab000 ath_tx_stopdma: tx queue [0] 0, link 0 ath_tx_stopdma: tx queue [1] 0x3e9af0c0, link 0xed0d80f0 ath_tx_stopdma: tx queue [2] 0, link 0 ath_tx_stopdma: tx queue [3] 0, link 0 ath_tx_stopdma: tx queue [8] 0, link 0 Q1[ 0] (DS.V:0xed0dd700 DS.P:0x3e9b4700) L:3e9b4730 D:3e624836 F:043 01240110 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0dd730 DS.P:0x3e9b4730) L:3e9b4e80 D:30bcf00e F:043 00000000 000000ec 00010000 0000001b f1710001 0000c6d1 Q1[ 1] (DS.V:0xed0dde80 DS.P:0x3e9b4e80) L:3e9b4eb0 D:312f2036 F:043 0124011f 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0ddeb0 DS.P:0x3e9b4eb0) L:3e9b6500 D:307f500e F:043 00000000 000000fb 00010000 0000001b e5f20001 0000e883 Q1[ 2] (DS.V:0xed0df500 DS.P:0x3e9b6500) L:3e9b6530 D:3e76b236 F:043 0124011f 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0df530 DS.P:0x3e9b6530) L:3e9b5ba0 D:310c800e F:043 00000000 000000fb 00010000 0000001b e5f50001 0000e885 Q1[ 3] (DS.V:0xed0deba0 DS.P:0x3e9b5ba0) L:3e9b5bd0 D:30639836 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0debd0 DS.P:0x3e9b5bd0) L:3e9b5d80 D:3e62433e F:043 00000000 00000060 00010000 0000001b e6110001 0000e887 Q1[ 4] (DS.V:0xed0ded80 DS.P:0x3e9b5d80) L:3e9b5db0 D:3e6aac36 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0dedb0 DS.P:0x3e9b5db0) L:3e9b6e60 D:3e76b43e F:043 00000000 00000060 00010000 0000001b e6130001 0000e889 Q1[ 5] (DS.V:0xed0dfe60 DS.P:0x3e9b6e60) L:3e9b6e90 D:3e607136 F:0413 21240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0dfe90 DS.P:0x3e9b6e90) L:3e9b59c0 D:3e60733e F:0413 00000000 00000060 00010000 0000001b e6140001 0000e88b Q1[ 6] (DS.V:0xed0de9c0 DS.P:0x3e9b59c0) L:3e9b59f0 D:3e569336 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0de9f0 DS.P:0x3e9b59f0) L:3e9b6320 D:3e72583e F:043 00000000 00000060 00010000 0000001b e6150001 0000e88d Q1[ 7] (DS.V:0xed0df320 DS.P:0x3e9b6320) L:3e9b6350 D:3e569936 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0df350 DS.P:0x3e9b6350) L:3e9b6c80 D:30b3e03e F:043 00000000 00000060 00010000 0000001b e6160001 0000e88f Q1[ 8] (DS.V:0xed0dfc80 DS.P:0x3e9b6c80) L:3e9b6cb0 D:3077a136 F:043 0124011f 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0dfcb0 DS.P:0x3e9b6cb0) L:3e9b79a0 D:30eca80e F:043 00000000 000000fb 00010000 0000001b e6190001 0000e891 Q1[ 9] (DS.V:0xed0e09a0 DS.P:0x3e9b79a0) L:3e9b79d0 D:3e725b36 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0e09d0 DS.P:0x3e9b79d0) L:3e9b7040 D:3e60783e F:043 00000000 00000060 00010000 0000001b edb70001 00002893 Q1[ 10] (DS.V:0xed0e0040 DS.P:0x3e9b7040) L:3e9b7070 D:3e607036 F:0413 21240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0e0070 DS.P:0x3e9b7070) L:3e9acb40 D:3e76b13e F:0413 00000000 00000060 00010000 0000001b edb80001 00002895 Q1[ 11] (DS.V:0xed0d5b40 DS.P:0x3e9acb40) L:3e9acb70 D:3e725636 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d5b70 DS.P:0x3e9acb70) L:3e9ac1e0 D:3e4a803e F:043 00000000 00000060 00010000 0000001b edb90001 00002897 Q1[ 12] (DS.V:0xed0d51e0 DS.P:0x3e9ac1e0) L:3e9ac210 D:3e624736 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d5210 DS.P:0x3e9ac210) L:3e9b77c0 D:3e569d3e F:043 00000000 00000060 00010000 0000001b edba0001 00002899 Q1[ 13] (DS.V:0xed0e07c0 DS.P:0x3e9b77c0) L:3e9b77f0 D:3e569536 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0e07f0 DS.P:0x3e9b77f0) L:3e9ad680 D:3e6aae3e F:043 00000000 00000060 00010000 0000001b edbc0001 0000289b Q1[ 14] (DS.V:0xed0d6680 DS.P:0x3e9ad680) L:3e9ad6b0 D:3e6aad36 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d66b0 DS.P:0x3e9ad6b0) L:3e9ac780 D:3e6aa53e F:043 00000000 00000060 00010000 0000001b edbd0001 0000289d Q1[ 15] (DS.V:0xed0d5780 DS.P:0x3e9ac780) L:3e9ac7b0 D:3e624d36 F:0413 21240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d57b0 DS.P:0x3e9ac7b0) L:3e9ac960 D:3e6aa43e F:0413 00000000 00000060 00010000 0000001b edbe0001 0000289f Q1[ 16] (DS.V:0xed0d5960 DS.P:0x3e9ac960) L:3e9ac990 D:3e4a8936 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d5990 DS.P:0x3e9ac990) L:3e9ada40 D:3e4a8a3e F:043 00000000 00000060 00010000 0000001b edbf0001 000028a1 Q1[ 17] (DS.V:0xed0d6a40 DS.P:0x3e9ada40) L:3e9ada70 D:31096036 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d6a70 DS.P:0x3e9ada70) L:3e9ad2c0 D:3e4a823e F:043 00000000 00000060 00010000 0000001b edc10001 000028a3 Q1[ 18] (DS.V:0xed0d62c0 DS.P:0x3e9ad2c0) L:3e9ad2f0 D:3e607e36 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d62f0 DS.P:0x3e9ad2f0) L:3e9ad4a0 D:3e56643e F:043 00000000 00000060 00010000 0000001b edc20001 000028a5 Q1[ 19] (DS.V:0xed0d64a0 DS.P:0x3e9ad4a0) L:3e9ad4d0 D:3e4a8536 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d64d0 DS.P:0x3e9ad4d0) L:3e9ae580 D:308fb43e F:043 00000000 00000060 00010000 0000001b f55a0001 0000c8a7 Q1[ 20] (DS.V:0xed0d7580 DS.P:0x3e9ae580) L:3e9ae5b0 D:3e624e36 F:0413 21240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d75b0 DS.P:0x3e9ae5b0) L:3e9ae3a0 D:3e62493e F:0413 00000000 00000060 00010000 0000001b f55b0001 0000c8a9 Q1[ 21] (DS.V:0xed0d73a0 DS.P:0x3e9ae3a0) L:3e9ae3d0 D:3e725136 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d73d0 DS.P:0x3e9ae3d0) L:3e9ae1c0 D:3e4a8b3e F:043 00000000 00000060 00010000 0000001b f55c0001 0000c8ab Q1[ 22] (DS.V:0xed0d71c0 DS.P:0x3e9ae1c0) L:3e9ae1f0 D:3e4c3936 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d71f0 DS.P:0x3e9ae1f0) L:3e9af0c0 D:30fef93e F:043 00000000 00000060 00010000 0000001b f55d0001 0000c8ad Q1[ 23] (DS.V:0xed0d80c0 DS.P:0x3e9af0c0) L:3e9af0f0 D:3e569636 F:043 01240084 01001020 00010000 0000001b 00000000 00000000 (DS.V:0xed0d80f0 DS.P:0x3e9af0f0) L:00000000 D:311ae13e F:043 00000000 00000060 00010000 0000001b f55f0001 0000c8af ath_stoprecv: rx queue 0x3e9c5750, link 0xed0c9750 R[ 0] (DS.V:0xed0c9000 DS.P:0x3e9c5000) L:3e9c5030 D:30de9800 ! 00000000 00000800 1fed8000 58c31911 R[ 1] (DS.V:0xed0c9030 DS.P:0x3e9c5030) L:3e9c5060 D:30dd1800 ! 00000000 00000800 102d8000 59761911 R[ 2] (DS.V:0xed0c9060 DS.P:0x3e9c5060) L:3e9c5090 D:30e57000 ! 00000000 00000800 102d8000 5ae21911 R[ 3] (DS.V:0xed0c9090 DS.P:0x3e9c5090) L:3e9c50c0 D:30a57000 ! 00000000 00000800 100d8000 4e9d1911 R[ 4] (DS.V:0xed0c90c0 DS.P:0x3e9c50c0) L:3e9c50f0 D:31129000 ! 00000000 00000800 101d8000 611c1911 R[ 5] (DS.V:0xed0c90f0 DS.P:0x3e9c50f0) L:3e9c5120 D:30b1e000 ! 00000000 00000800 1ffd8000 61c61911 R[ 6] (DS.V:0xed0c9120 DS.P:0x3e9c5120) L:3e9c5150 D:30c84800 ! 00000000 00000800 100d8000 62761911 R[ 7] (DS.V:0xed0c9150 DS.P:0x3e9c5150) L:3e9c5180 D:307d5000 ! 00000000 00000800 102d8000 63af1911 R[ 8] (DS.V:0xed0c9180 DS.P:0x3e9c5180) L:3e9c51b0 D:310b3800 ! 00000000 00000800 102d8000 750c1911 R[ 9] (DS.V:0xed0c91b0 DS.P:0x3e9c51b0) L:3e9c51e0 D:30cc8000 ! 00000000 00000800 100d8000 75fb1911 R[10] (DS.V:0xed0c91e0 DS.P:0x3e9c51e0) L:3e9c5210 D:30d2b800 ! 00000000 00000800 1ffd8000 76b21911 R[11] (DS.V:0xed0c9210 DS.P:0x3e9c5210) L:3e9c5240 D:31070000 ! 00000000 00000800 100d8000 77de1911 R[12] (DS.V:0xed0c9240 DS.P:0x3e9c5240) L:3e9c5270 D:309bd800 ! 00000000 00000800 100d8000 18c71911 R[13] (DS.V:0xed0c9270 DS.P:0x3e9c5270) L:3e9c52a0 D:30afe000 ! 00000000 00000800 1fcd8000 1b1f1911 R[14] (DS.V:0xed0c92a0 DS.P:0x3e9c52a0) L:3e9c52d0 D:312d2000 ! 00000000 00000800 100d8000 070f1911 R[15] (DS.V:0xed0c92d0 DS.P:0x3e9c52d0) L:3e9c5300 D:309dc800 ! 00000000 00000800 1ffd8000 07be1911 R[16] (DS.V:0xed0c9300 DS.P:0x3e9c5300) L:3e9c5330 D:310e4000 ! 00000000 00000800 101d8000 08f11911 R[17] (DS.V:0xed0c9330 DS.P:0x3e9c5330) L:3e9c5360 D:30d38000 ! 00000000 00000800 1fed8000 09991911 R[18] (DS.V:0xed0c9360 DS.P:0x3e9c5360) L:3e9c5390 D:30c8c000 ! 00000000 00000800 1ffd8000 00c21911 R[19] (DS.V:0xed0c9390 DS.P:0x3e9c5390) L:3e9c53c0 D:30c53800 ! 00000000 00000800 101d8000 01ad1911 R[20] (DS.V:0xed0c93c0 DS.P:0x3e9c53c0) L:3e9c53f0 D:306f4800 ! 00000000 00000800 102d8000 027b1911 R[21] (DS.V:0xed0c93f0 DS.P:0x3e9c53f0) L:3e9c5420 D:30eea800 ! 00000000 00000800 102d8000 035a1911 R[22] (DS.V:0xed0c9420 DS.P:0x3e9c5420) L:3e9c5450 D:30c36000 ! 00000000 00000800 101d8000 27c11911 R[23] (DS.V:0xed0c9450 DS.P:0x3e9c5450) L:3e9c5480 D:311c6000 ! 00000000 00000800 102d8000 29651911 R[24] (DS.V:0xed0c9480 DS.P:0x3e9c5480) L:3e9c54b0 D:31070800 ! 00000000 00000800 102d8000 2a721911 R[25] (DS.V:0xed0c94b0 DS.P:0x3e9c54b0) L:3e9c54e0 D:30c67000 ! 00000000 00000800 102d8000 10901911 R[26] (DS.V:0xed0c94e0 DS.P:0x3e9c54e0) L:3e9c5510 D:3126a800 ! 00000000 00000800 101d8000 11cf1911 R[27] (DS.V:0xed0c9510 DS.P:0x3e9c5510) L:3e9c5540 D:30e9b800 ! 00000000 00000800 102d8000 12ce1911 R[28] (DS.V:0xed0c9540 DS.P:0x3e9c5540) L:3e9c5570 D:310a8800 ! 00000000 00000800 102d8000 13861911 R[29] (DS.V:0xed0c9570 DS.P:0x3e9c5570) L:3e9c55a0 D:30bbf000 ! 00000000 00000800 1fed8000 7eb91911 R[30] (DS.V:0xed0c95a0 DS.P:0x3e9c55a0) L:3e9c55d0 D:30c35800 ! 00000000 00000800 1ffd8000 30ef1911 R[31] (DS.V:0xed0c95d0 DS.P:0x3e9c55d0) L:3e9c5600 D:30dc9000 ! 00000000 00000800 100d8000 31b81911 R[32] (DS.V:0xed0c9600 DS.P:0x3e9c5600) L:3e9c5630 D:30eea000 ! 00000000 00000800 100d8000 32861911 R[33] (DS.V:0xed0c9630 DS.P:0x3e9c5630) L:3e9c5660 D:30f1c800 ! 00000000 00000800 101d8000 332e1911 R[34] (DS.V:0xed0c9660 DS.P:0x3e9c5660) L:3e9c5690 D:30c94000 ! 00000000 00000800 102d8000 33f41911 R[35] (DS.V:0xed0c9690 DS.P:0x3e9c5690) L:3e9c56c0 D:30baf800 ! 00000000 00000800 1fed8000 09f41911 R[36] (DS.V:0xed0c96c0 DS.P:0x3e9c56c0) L:3e9c56f0 D:30a37000 ! 00000000 00000800 1ffd8000 50c91915 R[37] (DS.V:0xed0c96f0 DS.P:0x3e9c56f0) L:3e9c5720 D:310ac000 ! 00000000 00000800 102d8000 52791915 R[38] (DS.V:0xed0c9720 DS.P:0x3e9c5720) L:3e9c5750 D:30ef2800 ! 00000000 00000800 1fed8000 53261915 R[39] (DS.V:0xed0c9750 DS.P:0x3e9c5750) L:3e9c5750 D:30f3c800 ! 00000000 00000800 1fed8000 17861911 -- Reid Linnemann Senior Systems Analyst Oklahoma Department of CareerTech 405-743-5422 rlinn@okcareertech.org -Ars longa, vita brevis-
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