.. and make sure you do a full hardware reset (power off, wait, power on) when you downgrade or upgrade. Some of the register settings may be once-only and require a power cycle to change. adrian On 22 April 2013 10:30, Adrian Chadd <adrian@xxxxxxxxxxx> wrote: > Wasn't there a recent change to ath9k which reverted an initval > change? Specifically for the AR9485? > > The problem was an unstable PLL that shows up when you do aggressive > PCIe PHY power save. > > The change was to go back to the previous PCIe initval array. > > > > Adrian > > > On 22 April 2013 05:30, Gerry Gavigan <gerry@xxxxxxxxxxxxxxxx> wrote: >> After some discussion : >> >> https://forums.opensuse.org/english/get-technical-help-here/wireless/484686-advanced-atheros-issue-12-3-ath9k-64bit-frequent-random-de-auths-2.html >> >> I have been advised to seek help here as the phase lock loop is not working. >> >> In case it's relevant: >> >> - the wifi was working if possibly slightly unstable until I upgraded to >> 3.8.7 >> (to cure suspend and resume on a gma500 in an AAO) >> >> - Downgrading didn't work >> >> lspci -nn returns >> >> 02:00.0 Network controller [0280]: Atheros Communications Inc. AR9485 >> Wireless Network Adapter [168c:0032] (rev 01) >> >> dmesg reports >> >> [ 24.800514] ------------[ cut here ]------------ >> [ 24.800563] WARNING: at >> /home/abuild/rpmbuild/BUILD/kernel-desktop-3.7.10/linux-3.7/drivers/net/wireless/ath/ath9k/hw.c:794 >> ar9003_get_pll_sqsum_dvc+0xa8/0xc0 [ath9k_hw]() >> [ 24.800567] Hardware name: AOD270 >> [ 24.800571] Modules linked in: xt_tcpudp xt_pkttype xt_LOG xt_limit >> af_packet bnep bluetooth ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 >> ip6table_raw ipt_REJECT iptable_raw xt_CT iptable_filter ip6table_mangle >> nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ipv4 >> nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter >> ip6_tables x_tables cpufreq_conservative cpufreq_userspace cpufreq_powersave >> acpi_cpufreq mperf coretemp iTCO_wdt iTCO_vendor_support acer_wmi >> sparse_keymap snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_intel >> snd_hda_codec snd_hwdep snd_pcm snd_seq microcode serio_raw pcspkr i2c_i801 >> snd_timer snd_seq_device uvcvideo videobuf2_core sg videodev >> videobuf2_vmalloc videobuf2_memops lpc_ich mfd_core arc4 joydev snd ath9k >> rts_pstor(C) mac80211 ath9k_common ath9k_hw ath cfg80211 rfkill r8169 >> soundcore snd_page_alloc wmi ac battery button autofs4 gma500_gfx >> drm_kms_helper drm i2c_algo_bit video thermal processor thermal_sys >> scsi_dh_rdac scsi_dh_emc scsi_dh_alua scsi_dh_hp_sw scsi_dh >> [ 24.800687] Pid: 64, comm: kworker/u:3 Tainted: G C 3.7.10-1.1-desktop #1 >> [ 24.800690] Call Trace: >> [ 24.800713] [<c0205779>] try_stack_unwind+0x199/0x1b0 >> [ 24.800729] [<c0204487>] dump_trace+0x47/0xf0 >> [ 24.800740] [<c02057db>] show_trace_log_lvl+0x4b/0x60 >> [ 24.800749] [<c0205808>] show_trace+0x18/0x20 >> [ 24.800760] [<c06fbeeb>] dump_stack+0x6d/0x72 >> [ 24.800812] [<c0238cb8>] warn_slowpath_common+0x78/0xb0 >> [ 24.800855] [<c0238d0b>] warn_slowpath_null+0x1b/0x20 >> [ 24.800897] [<f7c84448>] ar9003_get_pll_sqsum_dvc+0xa8/0xc0 [ath9k_hw] >> [ 24.800941] [<f7b2d2b8>] ath_hw_pll_work+0x48/0xc0 [ath9k] >> [ 24.801012] [<c02527dc>] process_one_work+0x10c/0x400 >> [ 24.801038] [<c0253e89>] worker_thread+0x119/0x3b0 >> [ 24.801055] [<c02584f2>] kthread+0x92/0xa0 >> [ 24.801076] [<c070dc67>] ret_from_kernel_thread+0x1b/0x28 >> [ 24.801093] [<c0258460>] kthread_create_on_node+0xd0/0xd0 >> [ 24.808339] DWARF2 unwinder stuck at kthread+0x0/0xa0 >> [ 24.808346] >> [ 24.808350] Leftover inexact backtrace: >> [ 24.808350] >> [ 24.808361] ---[ end trace 33960a031f166c71 ]--- >> >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
