From: Pannirselvam Kanagaratnam <pannir@xsmail.com>
To: ath9k-devel@lists.ath9k.org
Subject: [ath9k-devel] WiFi Failure with AR9280
Date: Mon, 25 Mar 2013 00:26:04 +0800 [thread overview]
Message-ID: <514F291C.7000801@xsmail.com> (raw)
Hello,
My WiFi connection drops while running the AR9280 on a Freescale
MPC8315E platform in AP mode with hostapd. I get the following error
within 15 seconds and the WiFi connection drops. However, I do not
observe any issues when using the AR9382. Can you let me know what could
be causing this and if there is a workaround for this. I am using
Compat-Wireless-3.5.4.1.
ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024
AR_DIAG_SW=0x42000020 DMADBG_7=0x000062c0
ath: phy0: Could not stop RX, we could be confusing the DMA engine when
we start RX up
------------[ cut here ]------------
Badness at
/compat-wireless-3.5.4-1/drivers/net/wireless/ath/ath9k/recv.c:531
NIP: c9adabe0 LR: c9adabd4 CTR: c01b8068
REGS: c7b47e30 TRAP: 0700 Not tainted (2.6.35)
MSR: 00029032 <EE,ME,CE,IR,DR> CR: 22002022 XER: 20000000
TASK = c783db20[916] 'phy0' THREAD: c7b46000
GPR00: 00000001 c7b47ee0 c783db20 0000004c 00005554 ffffffff c01b55d8
00004000
GPR08: 00000000 c9af0000 00005554 c03f4d58 22002082 100b1254 07ff9000
00000000
GPR16: 100a9c50 00000000 00000000 00000000 00000000 00000000 00000000
100a9048
GPR24: 00000000 c7b4a6cc 00000000 00000001 00000001 00000000 c7b49720
c7b4c000
Call Trace:
[c7b47ee0] [c9adabd4] 0xc9adabd4 (unreliable)
[c7b47f10] [c9ad547c] 0xc9ad547c
[c7b47f30] [c9ad5eec] 0xc9ad5eec
[c7b47f60] [c9ad64e0] 0xc9ad64e0
[c7b47f80] [c003939c] 0xc003939c
[c7b47fc0] [c003d328] 0xc003d328
[c7b47ff0] [c0010f08] 0xc0010f08
Instruction dump:
4082ffac 3c60c9af 3ca0c9af 3863b45c 38a5b590 419eff98 809e0888 3884001c
4beeb431 3d20c9af 8809d59c 68000001 <0f000000> 2f800000 419eff74 38000001
ath: phy0: Failed to stop TX DMA, queues=0x004!
ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024
AR_DIAG_SW=0x42000020 DMADBG_7=0x00006040
ath: phy0: Could not stop RX, we could be confusing the DMA engine when
we start RX up
ath: phy0: Failed to stop TX DMA, queues=0x004!
ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024
AR_DIAG_SW=0x42000020 DMADBG_7=0x00006040
ath: phy0: Could not stop RX, we could be confusing the DMA engine when
we start RX up
Regards,
Pannir
next reply other threads:[~2013-03-24 16:26 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-24 16:26 Pannirselvam Kanagaratnam [this message]
2013-03-24 16:39 ` [ath9k-devel] WiFi Failure with AR9280 Felix Fietkau
2013-03-27 3:27 ` Pannirselvam Kanagaratnam
2013-04-15 2:07 ` Pannirselvam Kanagaratnam
2013-04-15 2:31 ` Adrian Chadd
2013-04-18 10:16 ` Pannirselvam Kanagaratnam
2013-04-19 6:36 ` Adrian Chadd
2013-04-22 7:41 ` Pannirselvam Kanagaratnam
2013-04-22 8:38 ` Adrian Chadd
2013-04-22 14:58 ` Pannirselvam Kanagaratnam
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