[Bug 841675] New: AR9485: ath: phy0: Failed to wakeup in 500us. DMA failed to stop in 10 ms
https://bugzilla.novell.com/show_bug.cgi?id=841675 https://bugzilla.novell.com/show_bug.cgi?id=841675#c0 Summary: AR9485: ath: phy0: Failed to wakeup in 500us. DMA failed to stop in 10 ms Classification: openSUSE Product: openSUSE 12.3 Version: Final Platform: Other OS/Version: openSUSE 12.3 Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: maacruz@gmail.com QAContact: qa-bugs@suse.de Found By: --- Blocker: --- Created an attachment (id=559390) --> (http://bugzilla.novell.com/attachment.cgi?id=559390) dmesg output User-Agent: Mozilla/5.0 (X11; Linux i686; rv:23.0) Gecko/20100101 Firefox/23.0 Hi, I have a netbook which has the following WiFi card: 02:00.0 Network controller: Atheros Communications Inc. AR9485 Wireless Network Adapter (rev 01) Subsystem: Lite-On Communications Inc Device 6617 Flags: bus master, fast devsel, latency 0, IRQ 17 Memory at 54000000 (64-bit, non-prefetchable) [size=512K] Expansion ROM at 51000000 [disabled] [size=64K] Capabilities: [40] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/4 Maskable+ 64bit+ Capabilities: [70] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [140] Virtual Channel Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00 Kernel driver in use: ath9k At random the WiFi card stops working and the kernel dumps a lot of messages: [ 3732.001023] ath: phy0: Failed to wakeup in 500us [ 3732.011728] ath: phy0: RX failed to go idle in 10 ms RXSM=0xffffffff [ 3732.011728] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff Reloading the ath9k driver doesn't fix the problem, until the PC is rebooted. Reproducible: Always Steps to Reproduce: 1. 2. 3. Fedora has noticed and fixed the same bug: https://bugzilla.redhat.com/show_bug.cgi?id=892811 Apparently this OpenWRT patch fixes the issue: https://dev.openwrt.org/browser/trunk/package/mac80211/patches/552-ath9k_rx_... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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Jeff Mahoney
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Jiri Slaby
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Matt Chen
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--- Comment #2 from Matt Chen
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--- Comment #3 from Miguel Angel Alvarez
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Miguel Angel Alvarez
If you are using desktop, please download
1) https://api.opensuse.org/build/home:matt680209:branches:Kernel:openSUSE-12.3... 2) https://api.opensuse.org/build/home:matt680209:branches:Kernel:openSUSE-12.3...
Hi Matt, The files are no longer there, so I can't download them. Also, this device is running the i686 build. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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--- Comment #5 from Matt Chen
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--- Comment #6 from Miguel Angel Alvarez
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--- Comment #7 from Miguel Angel Alvarez
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Miguel Angel Alvarez
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Jiri Slaby
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