Hey How do I interpret the following kernel warning? Sep 01 17:13:30 TSS-ARCH kernel: ------------[ cut here ]------------ Sep 01 17:13:30 TSS-ARCH kernel: WARNING: CPU: 0 PID: 4 at net/wireless/reg.c:1806 reg_process_hint+0x2d1/0x460 [cfg80211]() Sep 01 17:13:30 TSS-ARCH kernel: Modules linked in: ctr ccm fuse arc4 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev iwldvm dell_wmi nvidia Sep 01 17:13:30 TSS-ARCH kernel: mei_me mei tpm_tis tpm battery video ac button processor cpufreq_userspace cpufreq_powersave ext4 crc16 mbcache jbd2 sd_mod sr_mod cdrom c Sep 01 17:13:30 TSS-ARCH kernel: CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: P O 3.16.1-1-ARCH #1 Sep 01 17:13:30 TSS-ARCH kernel: Hardware name: Dell Inc. Latitude E6520/0J4TFW, BIOS A06 07/11/2011 Sep 01 17:13:30 TSS-ARCH kernel: Workqueue: events reg_todo [cfg80211] Sep 01 17:13:30 TSS-ARCH kernel: 0000000000000000 00000000a89ed9aa ffff88022216fd50 ffffffff8152ae6c Sep 01 17:13:30 TSS-ARCH kernel: 0000000000000000 ffff88022216fd88 ffffffff8106e45d ffff8800c547a300 Sep 01 17:13:30 TSS-ARCH kernel: ffff8800c7e18260 ffff8800c547a31c ffff88022dc18000 0ffff88022dc1800 Sep 01 17:13:30 TSS-ARCH kernel: Call Trace: Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8152ae6c>] dump_stack+0x4d/0x6f Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8106e45d>] warn_slowpath_common+0x7d/0xa0 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8106e58a>] warn_slowpath_null+0x1a/0x20 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffffa048e3c1>] reg_process_hint+0x2d1/0x460 [cfg80211] Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffffa048e5c9>] reg_todo+0x79/0x1a0 [cfg80211] Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8108afa8>] process_one_work+0x168/0x450 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8108b5db>] worker_thread+0x6b/0x550 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8108b570>] ? init_pwq.part.22+0x10/0x10 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff81091cea>] kthread+0xea/0x100 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff81530b3c>] ret_from_fork+0x7c/0xb0 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0 Sep 01 17:13:30 TSS-ARCH kernel: ---[ end trace ffb56350dc197a6a ]--- Sep 01 17:13:30 TSS-ARCH kernel: cfg80211: Calling CRDA for country: US Sep 01 17:13:30 TSS-ARCH kernel: ------------[ cut here ]------------ Sep 01 17:13:30 TSS-ARCH kernel: WARNING: CPU: 0 PID: 4 at net/wireless/reg.c:1806 reg_process_hint+0x2d1/0x460 [cfg80211]() Sep 01 17:13:30 TSS-ARCH kernel: Modules linked in: ctr ccm fuse arc4 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev iwldvm dell_wmi nvidia Sep 01 17:13:30 TSS-ARCH kernel: mei_me mei tpm_tis tpm battery video ac button processor cpufreq_userspace cpufreq_powersave ext4 crc16 mbcache jbd2 sd_mod sr_mod cdrom c Sep 01 17:13:30 TSS-ARCH kernel: CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: P W O 3.16.1-1-ARCH #1 Sep 01 17:13:30 TSS-ARCH kernel: Hardware name: Dell Inc. Latitude E6520/0J4TFW, BIOS A06 07/11/2011 Sep 01 17:13:30 TSS-ARCH kernel: Workqueue: events reg_todo [cfg80211] Sep 01 17:13:30 TSS-ARCH kernel: 0000000000000000 00000000a89ed9aa ffff88022216fd50 ffffffff8152ae6c Sep 01 17:13:30 TSS-ARCH kernel: 0000000000000000 ffff88022216fd88 ffffffff8106e45d ffff8800c547a300 Sep 01 17:13:30 TSS-ARCH kernel: ffff8800c7e18260 ffff8800c547a31c ffff88022dc18000 0ffff88022dc1800 Sep 01 17:13:30 TSS-ARCH kernel: Call Trace: Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8152ae6c>] dump_stack+0x4d/0x6f Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8106e45d>] warn_slowpath_common+0x7d/0xa0 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8106e58a>] warn_slowpath_null+0x1a/0x20 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffffa048e3c1>] reg_process_hint+0x2d1/0x460 [cfg80211] Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffffa048e5c9>] reg_todo+0x79/0x1a0 [cfg80211] Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8108afa8>] process_one_work+0x168/0x450 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8108b5db>] worker_thread+0x6b/0x550 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff8108b570>] ? init_pwq.part.22+0x10/0x10 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff81091cea>] kthread+0xea/0x100 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff81530b3c>] ret_from_fork+0x7c/0xb0 Sep 01 17:13:30 TSS-ARCH kernel: [<ffffffff81091c00>] ? kthread_create_on_node+0x1b0/0x1b0 Sep 01 17:13:30 TSS-ARCH kernel: ---[ end trace ffb56350dc197a6b ]--- Sep 01 17:13:30 TSS-ARCH kernel: cfg80211: Calling CRDA for country: US Please suggest. Thanks and regards, Amitav -- 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
