Hi! > > This is quite annoying: repeated > > > > [ 4169.591529] ---[ end trace e65d97cf1d20b84d ]--- > > [ 4169.591565] WARNING: CPU: 0 PID: 5472 at net/mac80211/agg-tx.c:315 > > ___ieee80211_stop_tx_\ > > ba_session+0x158/0x1f0 > > > > Hardware is thinkpad x60. Git blame says cfcdbde35 introduced the > > test. > > To save time for others, the driver is iwl3945: > > > [ 0.970687] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:ds > > [ 0.970690] iwl3945: Copyright(c) 2003-2011 Intel Corporation > > [ 0.970692] iwl3945: hw_scan is disabled > > [ 0.971082] iwl3945 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control > > [ 1.026281] iwl3945 0000:03:00.0: Tunable channels: 11 802.11bg, 13 802.11a channels > > [ 1.026287] iwl3945 0000:03:00.0: Detected Intel Wireless WiFi Link 3945ABG > > [ 1.027866] ieee80211 phy0: Selected rate control algorithm 'iwl-3945-rs' And same problem is there in 4.15-rc1. It is regression from 4.14. [ 530.816390] WARNING: CPU: 1 PID: 3193 at net/mac80211/agg-tx.c:315 ___ieee802 11_stop_tx_ba_session+0x158/0x1f0 [ 530.816395] Modules linked in: [ 530.816405] CPU: 1 PID: 3193 Comm: wpa_supplicant Tainted: G W 4.15.0-rc1+ #447 [ 530.816410] Hardware name: LENOVO 17097HU/17097HU, BIOS 7BETD8WW (2.19 ) 03/3 1/2011 [ 530.816416] task: 17453748 task.stack: 79a41831 [ 530.816422] EIP: ___ieee80211_stop_tx_ba_session+0x158/0x1f0 [ 530.816427] EFLAGS: 00010246 CPU: 1 [ 530.816433] EAX: 00000000 EBX: f5c19000 ECX: f5eff670 EDX: f5eff040 [ 530.816438] ESI: 0000000f EDI: 00000003 EBP: ef32dbb4 ESP: ef32db8c [ 530.816444] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 530.816450] CR0: 80050033 CR2: 091a4008 CR3: 34d412c0 CR4: 000006b0 [ 530.816455] Call Trace: [ 530.816463] ieee80211_sta_tear_down_BA_sessions+0x6e/0xd0 [ 530.816470] __sta_info_destroy_part1+0x3d/0x1f0 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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