Hello all, I have a Gigabyte Brix GB-BXi7-4770R running Ubuntu Saucy 13.10, with an Azurewave AW-CB161H (Realtek RTL8821AE) mini-pcie card. Dmesg shows a stack trace during driver init. Full dmesg output can be found: http://pastebin.com/U0YMP6ti root@brix:~# dpkg -l | grep linux- ii linux-firmware 1.131 all Firmware for Linux kernel drivers ii linux-headers-3.15.1-031501 3.15.1-031501.201406161841 all Header files related to Linux kernel version 3.15.1 ii linux-headers-3.15.1-031501-generic 3.15.1-031501.201406161841 amd64 Linux kernel headers for version 3.15.1 on 64 bit x86 SMP ii linux-image-3.15.1-031501-generic 3.15.1-031501.201406161841 amd64 Linux kernel image for version 3.15.1 on 64 bit x86 SMP A similar error message was present in 3.14.1. [ 3.653712] WARNING: CPU: 1 PID: 572 at /home/apw/COD/linux/net/wireless/reg.c:1388 wiphy_apply_custom_regulatory+0xc5/0xf0 [cfg80211]() If I can help in any way, please let me know. ----- [ 4.119673] ------------[ cut here ]------------ [ 4.119687] WARNING: CPU: 5 PID: 510 at /home/apw/COD/linux/net/wireless/reg.c:1508 wiphy_apply_custom_regulatory+0xbc/0xe0 [cfg80211]() [ 4.119688] wiphy should have REGULATORY_CUSTOM_REG [ 4.119689] Modules linked in: rtl8821ae(C+) mac80211 x86_pkg_temp_thermal snd_soc_rt5640 intel_powerclamp coretemp snd_soc_core snd_compress kvm crct10dif_pclmul crc32_pclmul cfg80211 btusb ghash_clmulni_intel aesni_intel mei_me(+) aes_x86_64 snd_seq_midi lrw gf128mul mei glue_helper snd_hda_intel(+) snd_seq_midi_event ablk_helper snd_hda_controller bluetooth cryptd snd_hda_codec snd_hwdep snd_rawmidi i915(+) snd_seq snd_pcm 6lowpan_iphc snd_seq_device lpc_ich snd_timer snd drm_kms_helper drm i2c_hid hid 8250_dw dw_dmac i2c_algo_bit i2c_designware_platform dw_dmac_core snd_soc_sst_acpi i2c_designware_core video soundcore spi_pxa2xx_platform mac_hid lp parport nls_iso8859_1 nls_utf8 cifs fscache ahci r8169 libahci mii sdhci_acpi sdhci [ 4.119713] CPU: 5 PID: 510 Comm: systemd-udevd Tainted: G C 3.15.1-031501-generic #201406161841 [ 4.119714] Hardware name: GIGABYTE M4HM87P-00/M4HM87P-00, BIOS F4 03/10/2014 [ 4.119715] 00000000000005e4 ffff8800d600fa38 ffffffff8176e144 000000000000428a [ 4.119716] ffff8800d600fa88 ffff8800d600fa78 ffffffff8106ce2c 0000000000000000 [ 4.119718] ffffffffa0704080 ffff880212398220 ffffffffa06bf5a0 ffff880212816098 [ 4.119719] Call Trace: [ 4.119724] [<ffffffff8176e144>] dump_stack+0x46/0x58 [ 4.119726] [<ffffffff8106ce2c>] warn_slowpath_common+0x8c/0xc0 [ 4.119736] [<ffffffffa06bf5a0>] ? rtl_regd_init+0x310/0x310 [rtl8821ae] [ 4.119737] [<ffffffff8106cf16>] warn_slowpath_fmt+0x46/0x50 [ 4.119745] [<ffffffffa045aa5c>] wiphy_apply_custom_regulatory+0xbc/0xe0 [cfg80211] [ 4.119751] [<ffffffffa06bf5a0>] ? rtl_regd_init+0x310/0x310 [rtl8821ae] [ 4.119755] [<ffffffffa06bf3e2>] rtl_regd_init+0x152/0x310 [rtl8821ae] [ 4.119760] [<ffffffffa06ba771>] rtl_init_core+0x41/0x170 [rtl8821ae] [ 4.119767] [<ffffffffa06ce7bd>] rtl_pci_probe+0x28d/0x920 [rtl8821ae] [ 4.119769] [<ffffffff813bf99e>] local_pci_probe+0x4e/0xa0 [ 4.119772] [<ffffffff8124b092>] ? kernfs_create_link+0x52/0xa0 [ 4.119773] [<ffffffff813c0db9>] __pci_device_probe+0xb9/0xf0 [ 4.119774] [<ffffffff813c0e2a>] pci_device_probe+0x3a/0x60 [ 4.119776] [<ffffffff814b4581>] really_probe+0x91/0x380 [ 4.119777] [<ffffffff814b49f7>] driver_probe_device+0x47/0xa0 [ 4.119779] [<ffffffff814b4afb>] __driver_attach+0xab/0xb0 [ 4.119780] [<ffffffff814b4a50>] ? driver_probe_device+0xa0/0xa0 [ 4.119782] [<ffffffff814b288e>] bus_for_each_dev+0x5e/0x90 [ 4.119783] [<ffffffff814b413e>] driver_attach+0x1e/0x20 [ 4.119784] [<ffffffff814b3c44>] bus_add_driver+0x124/0x260 [ 4.119789] [<ffffffffa050f000>] ? 0xffffffffa050efff [ 4.119790] [<ffffffff814b5214>] driver_register+0x64/0xf0 [ 4.119792] [<ffffffffa050f000>] ? 0xffffffffa050efff [ 4.119794] [<ffffffff813bfd1c>] __pci_register_driver+0x4c/0x50 [ 4.119799] [<ffffffffa050f02b>] rtl8821ae_module_init+0x2b/0x1000 [rtl8821ae] [ 4.119801] [<ffffffff8100217a>] do_one_initcall+0xfa/0x1b0 [ 4.119803] [<ffffffff8105db33>] ? set_memory_nx+0x43/0x50 [ 4.119808] [<ffffffff8176322c>] do_init_module+0x80/0x1d1 [ 4.119811] [<ffffffff810edcc1>] load_module+0x4e1/0x600 [ 4.119812] [<ffffffff810eb2d0>] ? show_initstate+0x50/0x50 [ 4.119814] [<ffffffff810ede94>] SyS_init_module+0xb4/0x100 [ 4.119817] [<ffffffff8178487f>] tracesys+0xe1/0xe6 [ 4.119818] ---[ end trace 52ffc03936ebe53b ]--- Thanks, Kevin Folz - Embedded Platform Engineer - Evertz -- 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
