On Tue, Jun 23, 2009 at 06:55:14PM +0200, Johannes Berg wrote: > Strange, but I can't imagine it's due to this patch since it just > changes locking in one place, which must be harmless (and I also tested > this patch). Here's the trace, after the initial warning it proceeded to continually dump stack with the "workqueue leaked lock" thing. [ 108.984131] ------------[ cut here ]------------ [ 108.984200] WARNING: at kernel/mutex.c:312 __mutex_unlock_slowpath+0x47/0xfe() [ 108.984275] Hardware name: MacBook1,1 [ 108.984313] Modules linked in: aes_i586 aes_generic ipt_MASQUERADE iptable_nat nf_nat i915 drm af_packet ipt_REJECT xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_state iptable_filter ip_tables x_tables acpi_cpufreq binfmt_misc dm_mirror dm_region_hash dm_log dm_multipath dm_mod kvm_intel kvm uinput arc4 ecb ath5k hid_apple mac80211 snd_hda_codec_idt usbhid appletouch snd_hda_intel snd_hda_codec ath cfg80211 snd_pcm snd_timer snd sg ohci1394 snd_page_alloc uhci_hcd joydev rfkill ehci_hcd sky2 battery ieee1394 processor video thermal button backlight ac output sr_mod applesmc evdev cdrom input_polldev unix [last unloaded: scsi_wait_scan] [ 108.984944] Pid: 9, comm: events/0 Not tainted 2.6.30-wl #140 [ 108.984972] Call Trace: [ 108.984991] [<c0124238>] warn_slowpath_common+0x6a/0x81 [ 108.985035] [<c036ebdc>] ? __mutex_unlock_slowpath+0x47/0xfe [ 108.985098] [<c0124261>] warn_slowpath_null+0x12/0x15 [ 108.985174] [<c036ebdc>] __mutex_unlock_slowpath+0x47/0xfe [ 108.985221] [<c036eca0>] mutex_unlock+0xd/0xf [ 108.985269] [<fd65c1d8>] ieee80211_key_todo+0x23/0x25 [mac80211] [ 108.985343] [<fd65c1e7>] key_todo+0xd/0xf [mac80211] [ 108.985425] [<c0132267>] worker_thread+0x1aa/0x287 [ 108.985474] [<c0132225>] ? worker_thread+0x168/0x287 [ 108.985518] [<fd65c1da>] ? key_todo+0x0/0xf [mac80211] [ 108.985581] [<c0135acc>] ? autoremove_wake_function+0x0/0x34 [ 108.985658] [<c01320bd>] ? worker_thread+0x0/0x287 [ 108.985750] [<c01357a7>] kthread+0x4b/0x6f [ 108.985776] [<c013575c>] ? kthread+0x0/0x6f [ 108.985803] [<c0103467>] kernel_thread_helper+0x7/0x10 [ 108.985833] ---[ end trace cbbb1a87dac383bd ]--- [ 108.985862] BUG: workqueue leaked lock or atomic: events/0/0x00000100/9 [ 108.985896] last function: key_todo+0x0/0xf [mac80211] [ 108.985946] INFO: lockdep is turned off. [ 108.985971] Pid: 9, comm: events/0 Tainted: G W 2.6.30-wl #140 [ 108.986014] Call Trace: [ 108.987186] [<c013230c>] worker_thread+0x24f/0x287 [ 108.987206] [<fd65c1da>] ? key_todo+0x0/0xf [mac80211] [ 108.987212] [<c0135acc>] ? autoremove_wake_function+0x0/0x34 [ 108.987216] [<c01320bd>] ? worker_thread+0x0/0x287 [ 108.987219] [<c01357a7>] kthread+0x4b/0x6f -- Bob Copeland %% www.bobcopeland.com -- 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
