I am running 2.6.36-rc4 on T60 with an iwlagn wireless card:
03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection
I was compiling a large file which stressed the box heavily, and the
following warning in net/mac80211/scan.c triggered:
/*
* It's ok to abort a not-yet-running scan (that
* we have one at all will be verified by checking
* local->scan_req next), but not to complete it
* successfully.
*/
if (WARN_ON(!local->scanning && !aborted))
aborted = true;
dmesg below:
[84379.361297] ------------[ cut here ]------------
[84379.361307] WARNING: at net/mac80211/scan.c:266 ieee80211_scan_completed+0x43/0x17f()
[84379.361311] Hardware name: 2241B48
[84379.361313] Modules linked in: tun iwlagn kvm_intel kvm iwlcore e1000e thinkpad_acpi [last unloaded: scsi_wait_scan]
[84379.361325] Pid: 8254, comm: kworker/u:0 Not tainted 2.6.36-rc4-mst #96
[84379.361328] Call Trace:
[84379.361334] [<ffffffff815d1399>] ? ieee80211_scan_completed+0x43/0x17f
[84379.361340] [<ffffffff81042046>] warn_slowpath_common+0x80/0x99
[84379.361354] [<ffffffffa005d8e7>] ? iwl_generic_cmd_callback+0x0/0xe4 [iwlcore]
[84379.361359] [<ffffffff81042074>] warn_slowpath_null+0x15/0x17
[84379.361363] [<ffffffff815d1399>] ieee80211_scan_completed+0x43/0x17f
[84379.361374] [<ffffffffa0065212>] iwl_bg_scan_completed+0x1ce/0x1d7 [iwlcore]
[84379.361380] [<ffffffff81057153>] process_one_work+0x1e2/0x301
[84379.361391] [<ffffffffa0065044>] ? iwl_bg_scan_completed+0x0/0x1d7 [iwlcore]
[84379.361395] [<ffffffff8105752c>] worker_thread+0x130/0x243
[84379.361400] [<ffffffff810573fc>] ? worker_thread+0x0/0x243
[84379.361404] [<ffffffff8105bc1b>] kthread+0x81/0x89
[84379.361409] [<ffffffff81003914>] kernel_thread_helper+0x4/0x10
[84379.361413] [<ffffffff8105bb9a>] ? kthread+0x0/0x89
[84379.361417] [<ffffffff81003910>] ? kernel_thread_helper+0x0/0x10
[84379.361420] ---[ end trace c5ebbd902daa4ea8 ]---
[84379.361422] ------------[ cut here ]------------
[84379.361426] WARNING: at net/mac80211/scan.c:269 ieee80211_scan_completed+0x62/0x17f()
[84379.361429] Hardware name: 2241B48
[84379.361431] Modules linked in: tun iwlagn kvm_intel kvm iwlcore e1000e thinkpad_acpi [last unloaded: scsi_wait_scan]
[84379.361441] Pid: 8254, comm: kworker/u:0 Tainted: G W 2.6.36-rc4-mst #96
[84379.361461] Call Trace:
[84379.361464] [<ffffffff815d13b8>] ? ieee80211_scan_completed+0x62/0x17f
[84379.361469] [<ffffffff81042046>] warn_slowpath_common+0x80/0x99
[84379.361479] [<ffffffffa005d8e7>] ? iwl_generic_cmd_callback+0x0/0xe4 [iwlcore]
[84379.361484] [<ffffffff81042074>] warn_slowpath_null+0x15/0x17
[84379.361488] [<ffffffff815d13b8>] ieee80211_scan_completed+0x62/0x17f
[84379.361503] [<ffffffffa0065212>] iwl_bg_scan_completed+0x1ce/0x1d7 [iwlcore]
[84379.361506] [<ffffffff81057153>] process_one_work+0x1e2/0x301
[84379.361512] [<ffffffffa0065044>] ? iwl_bg_scan_completed+0x0/0x1d7 [iwlcore]
[84379.361515] [<ffffffff8105752c>] worker_thread+0x130/0x243
[84379.361517] [<ffffffff810573fc>] ? worker_thread+0x0/0x243
[84379.361519] [<ffffffff8105bc1b>] kthread+0x81/0x89
[84379.361522] [<ffffffff81003914>] kernel_thread_helper+0x4/0x10
[84379.361524] [<ffffffff8105bb9a>] ? kthread+0x0/0x89
[84379.361526] [<ffffffff81003910>] ? kernel_thread_helper+0x0/0x10
[84379.361528] ---[ end trace c5ebbd902daa4ea9 ]---
Should this happen? Does anyone care?
I am not sure how reproducible this is.
Thanks,
--
MST
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