Additional info: WARNING: at net/mac80211/sta_info.c:389 sta_info_insert_rcu+0x71/0xd0 [mac80211]() Hardware name: System Product Name Modules linked in: ipt_MASQUERADE xt_conntrack nf_nat_h323 nf_conntrack_h323 nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_conntrack_proto_gre nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack vfat fat usb_storage fuse lockd sunrpc bnep bluetooth snd_hda_codec_analog snd_hda_intel snd_hda_codec arc4 rtl8187 eeprom_93cx6 mac80211 snd_hwdep snd_seq snd_seq_device snd_pcm cfg80211 snd_page_alloc snd_timer rfkill snd i2c_viapro shpchp via_rhine soundcore mii coretemp ppdev parport_pc parport asus_atk0110 serio_raw microcode binfmt_misc uinput nouveau mxm_wmi wmi video ata_generic pata_acpi i2c_algo_bit drm_kms_helper ttm drm pata_via sata_via i2c_core Pid: 2019, comm: kworker/u:1 Not tainted 3.7.9-201.fc18.x86_64 #1 Call Trace: [<ffffffff8105e6df>] warn_slowpath_common+0x7f/0xc0 [<ffffffff8105e73a>] warn_slowpath_null+0x1a/0x20 [<ffffffffa028ea21>] sta_info_insert_rcu+0x71/0xd0 [mac80211] [<ffffffffa0298657>] ieee80211_ibss_finish_sta+0xd7/0x240 [mac80211] [<ffffffffa028e958>] ? sta_info_alloc+0x1d8/0x230 [mac80211] [<ffffffffa029888d>] ieee80211_ibss_add_sta+0xcd/0x120 [mac80211] [<ffffffff8101358e>] ? __switch_to+0x13e/0x4a0 [<ffffffffa0298d66>] ieee80211_rx_bss_info+0x486/0x7e0 [mac80211] [<ffffffffa02991cc>] ieee80211_rx_mgmt_beacon+0x7c/0x90 [mac80211] [<ffffffffa0299420>] ieee80211_ibss_rx_queued_mgmt+0x100/0x3e0 [mac80211] [<ffffffffa029ae34>] ieee80211_iface_work+0x274/0x360 [mac80211] [<ffffffff8107a637>] process_one_work+0x147/0x490 [<ffffffffa029abc0>] ? ieee80211_netdev_select_queue+0x20/0x20 [mac80211] [<ffffffff8107cece>] worker_thread+0x15e/0x450 [<ffffffff8107cd70>] ? busy_worker_rebind_fn+0x110/0x110 [<ffffffff81081e30>] kthread+0xc0/0xd0 [<ffffffff81010000>] ? ftrace_raw_event_xen_mmu_flush_tlb_others+0x50/0xe0 [<ffffffff81081d70>] ? kthread_create_on_node+0x120/0x120 [<ffffffff8163f92c>] ret_from_fork+0x7c/0xb0 [<ffffffff81081d70>] ? kthread_create_on_node+0x120/0x120
Created attachment 706343 [details] File: dmesg
Did you create Ad-Hoc network using NetworkManager hotspot functionality or did set Ad-Hoc network by some other commands ?
Is this problem reproducible? If so how?
According to https://retrace.fedoraproject.org/faf/problems/940849/ this problem does not occur on kernel 3.9, so I'm closing the bug.