kernel: ath5k 0000:06:00.0: Refused to change power state, currently in D3 It seems something is going wrong on the PCI subsystem, if the card doesn't get power, ath5k can't do anything about it.
2014/1/20 Eugene Shatokhin <[email protected]>: > Hi, > > One of our users experiences a problem with their WiFi adapter managed by > ath5k driver. After suspend-to-ram, WiFi isn't working anymore, only way to > have it back is reboot. > > Kernels tested: 3.10.x and 3.12.x, the problem shows up for both. The user > did not encounter this problem when using kernel 3.0.x, however. > > There are the following messages in the system log that could be related > (the full log is also attached): > > ------------------------ > kernel: ath5k: phy0: Atheros AR2414 chip found (MAC: 0x79, PHY: 0x45) > <...> > kernel: ath5k 0000:06:00.0: Refused to change power state, currently in D3 > <...> > NetworkManager[3453]: <info> (wlan0): deactivating device (reason 'managed') > [2] > kernel: ath5k: phy0: failed to wakeup the MAC Chip > kernel: ath5k: phy0: can't reset hardware (-5) > kernel: ath5k: phy0: failed to wakeup the MAC Chip > kernel: ath5k: phy0: can't reset hardware (-5) > kernel: ath5k: phy0: failed to wakeup the MAC Chip > kernel: ath5k: phy0: can't reset hardware (-5) > NetworkManager[3453]: <error> [1389566872.377117] > [nm-supplicant-interface.c:997] interface_add_cb(): (wlan0): error adding > interface: wpa_supplicant couldn't grab this interface. > ------------------------ > > lspci: > 06:00.0 Ethernet controller [0200]: Qualcomm Atheros AR5212/AR5213 Wireless > Network Adapter [168c:0013] (rev 01) > Subsystem: Netgear Device [1385:5e00] > Flags: bus master, medium devsel, latency 168, IRQ 19 > Memory at fbef0000 (32-bit, non-prefetchable) [size=64K] > Capabilities: [44] Power Management version 2 > Kernel driver in use: ath5k > Kernel modules: ath5k > ------------------------ > > Any ideas on where the problem is and how it can be fixed? > > I saw similar problems reported before (e.g. > https://www.mail-archive.com/[email protected]/msg04964.html) but > could not find a solution appropriate for 3.10+ kernel there. So, help is > appreciated. > > When replying to the list, please keep me CC'ed because I am not subscribed > to it. > > Thanks in advance. > > Regards, > Eugene > > -- > Eugene Shatokhin, ROSA Laboratory. > www.rosalab.com -- GPG ID: 0xEE878588 As you read this post global entropy rises. Have Fun ;-) Nick _______________________________________________ ath5k-devel mailing list [email protected] https://lists.ath5k.org/mailman/listinfo/ath5k-devel
