2.4GHz working, but 5GHz not working -- strange dmesg error

[William Park]

Hi,

I want to ask TLUG before asking kernel list.  I have Linksys WMP600N
dual-band PCI adapter (rt2800pci) which used to work, but now 5GHz is
not working.  Router is ok, since my laptop can connect 5GHz.

I tried 3.10 and 3.12 kernels (that I compiled myself) and other
distros, and they are all having the same problem.  When attempt is made
to connect 5GHz, I get:

	------------[ cut here ]------------
	WARNING: CPU: 0 PID: 2126 at /home/kernel/linux-3.12/drivers/net/wireless/rt2x00/rt2x00config.c:201 rt2x00lib_config+0x293/0x2e0 [rt2x00lib]()
	Modules linked in: nls_iso8859_1 nls_cp437 vfat fat btrfs libcrc32c fuse vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables dm_mod nvidia(PO) snd_hda_codec_hdmi acpi_cpufreq processor edac_core sp5100_tco arc4 rt2800pci rt2800lib rt2x00pci rt2x00mmio rt2x00lib mac80211 cfg80211 eeprom_93cx6 drm agpgart r8169 psmouse evdev mii thermal_sys mac_hid k10temp i2c_piix4 crc_ccitt i2c_core edac_mce_amd button hwmon rtc_cmos rfkill wmi serio_raw ohci_pci ohci_hcd kvm_amd kvm snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd soundcore microcode loop
	CPU: 0 PID: 2126 Comm: wpa_supplicant Tainted: P           O 3.12.3 #1
	Hardware name: To be filled by O.E.M. To be filled by O.E.M./M5A97, BIOS 1605 10/25/2012
	 0000000000000009 ffff88007ff135d8 ffffffff814e59c1 0000000000000007
	 0000000000000000 ffff88007ff13618 ffffffff8103fff2 0000000000000038
	 ffff880416d05720 ffff880416d045c0 0000000000000042 0000000000000040
	Call Trace:
	 [<ffffffff814e59c1>] dump_stack+0x46/0x58
	 [<ffffffff8103fff2>] warn_slowpath_common+0x82/0xb0
	 [<ffffffff81040035>] warn_slowpath_null+0x15/0x20
	 [<ffffffffa0464f73>] rt2x00lib_config+0x293/0x2e0 [rt2x00lib]
	 [<ffffffffa0464463>] rt2x00mac_config+0x43/0x80 [rt2x00lib]
	 [<ffffffffa040543d>] ieee80211_hw_config+0x5d/0x2c0 [mac80211]
	 [<ffffffffa042e033>] ieee80211_vif_use_channel+0x3a3/0x440 [mac80211]
	 [<ffffffffa042f898>] ieee80211_prep_connection+0x138/0x820 [mac80211]
	 [<ffffffff811a27f0>] ? ext4_ext_find_extent+0x220/0x2a0
	 [<ffffffff814e1fd6>] ? printk+0x48/0x4a
	 [<ffffffffa0434811>] ieee80211_mgd_auth+0x2a1/0x310 [mac80211]
	 [<ffffffffa04191e3>] ieee80211_auth+0x13/0x20 [mac80211]
	 [<ffffffffa03e4b03>] cfg80211_mlme_auth+0x173/0x1a0 [cfg80211]
	 [<ffffffffa03d6afc>] nl80211_authenticate+0x2cc/0x330 [cfg80211]
	 [<ffffffff81461edc>] genl_family_rcv_msg+0x17c/0x380
	 [<ffffffff814620e0>] ? genl_family_rcv_msg+0x380/0x380
	 [<ffffffff81462159>] genl_rcv_msg+0x79/0xb0
	 [<ffffffff81461959>] netlink_rcv_skb+0xa9/0xc0
	 [<ffffffff81461bb7>] genl_rcv+0x27/0x40
	 [<ffffffff81460eed>] netlink_unicast+0x10d/0x190
	 [<ffffffff81461289>] netlink_sendmsg+0x319/0x760
	 [<ffffffff81422594>] sock_sendmsg+0x64/0x80
	 [<ffffffff8142e799>] ? verify_iovec+0x49/0xd0
	 [<ffffffff814228a4>] ___sys_sendmsg.part.30+0x2a4/0x2c0
	 [<ffffffff81035fec>] ? __do_page_fault+0x1ec/0x4f0
	 [<ffffffff811319af>] ? mntput+0x1f/0x30
	 [<ffffffff81115bba>] ? __fput+0x16a/0x230
	 [<ffffffff814232c0>] __sys_sendmsg+0x50/0x90
	 [<ffffffff81423309>] SyS_sendmsg+0x9/0x10
	 [<ffffffff814ec222>] system_call_fastpath+0x16/0x1b
	---[ end trace 9b341a9f9ef3f57c ]---

Is this a sign that the card dying?
-- 
William
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