On Tue, 2014-04-08 at 17:28 +0200, Yegor Yefremov wrote: > I'm using kernel 3.14.0-rc4-12738-g674748b-dirty on a am335x-evmsk as > also on a custom board. I get following issue on both systems, when > working with various calibrator functions: That's not a very nice kernel, right? How am I supposed to know what the 12738 patches you have on top of 3.14.0-rc4 are? Even worse because your tree is dirty. :( > # calibrator wlan0 plt power_mode on > [ 252.935208] wlcore: power up > [ 253.502531] wlcore: firmware booted in PLT mode PLT_ON (PLT 6.3.10.0.133) > # [ 399.656192] wlcore: ERROR Tx stuck (in FW) for 5000 ms. Starting recovery This sounds really strange. The TX watchdog should not be armed in PLT mode. > or following error, when I start NetworkManager and wait for 5 minutes or so: > > [ 717.608550] wlcore: Scan completed due to error. > [ 717.613422] ------------[ cut here ]------------ > [ 717.618405] WARNING: CPU: 0 PID: 940 at > drivers/net/wireless/ti/wlcore/main.c:789 > wl12xx_queue_recovery_work+0x60/0x6c() > [ 717.629832] Modules linked in: > [ 717.633055] CPU: 0 PID: 940 Comm: kworker/u2:2 Tainted: G W > 3.14.0-rc4-12737-gefb78a0-dirty #214 > [ 717.643264] Workqueue: phy0 wl1271_scan_complete_work > [ 717.648649] [<c00151e0>] (unwind_backtrace) from [<c0011e38>] > (show_stack+0x10/0x14) > [ 717.656762] [<c0011e38>] (show_stack) from [<c05a1944>] > (dump_stack+0x7c/0x94) > [ 717.664372] [<c05a1944>] (dump_stack) from [<c00402bc>] > (warn_slowpath_common+0x6c/0x90) > [ 717.672876] [<c00402bc>] (warn_slowpath_common) from [<c004037c>] > (warn_slowpath_null+0x1c/0x24) > [ 717.682110] [<c004037c>] (warn_slowpath_null) from [<c035be0c>] > (wl12xx_queue_recovery_work+0x60/0x6c) > [ 717.691889] [<c035be0c>] (wl12xx_queue_recovery_work) from > [<c036d804>] (wl1271_scan_complete_work+0xf8/0x108) > [ 717.702391] [<c036d804>] (wl1271_scan_complete_work) from > [<c0058ff4>] (process_one_work+0x1ac/0x4c4) > [ 717.712110] [<c0058ff4>] (process_one_work) from [<c0059e88>] > (worker_thread+0x114/0x3b4) > [ 717.720707] [<c0059e88>] (worker_thread) from [<c005fa44>] > (kthread+0xcc/0xe8) > [ 717.728306] [<c005fa44>] (kthread) from [<c000e388>] > (ret_from_fork+0x14/0x2c) > [ 717.735856] ---[ end trace f4d374bb2ca37664 ]--- > [ 717.743587] wlcore: Hardware recovery in progress. FW ver: Rev 6.3.10.0.133 > [ 717.752600] wlcore: pc: 0x0, hint_sts: 0x00000020 count: 6 > [ 717.759609] wlcore: down > [ 717.764108] ieee80211 phy0: Hardware restart was requested > [ 718.250930] wlcore: firmware booted (Rev 6.3.10.0.133) > > Any idea, what could be wrong? First of all, try a clean kernel. -- Luca. -- 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