Arch Linux

detestable

Member

Registered: 2012-03-14

Posts: 12

Stack Trace from kernel (brcmsmac)

Hello,

I randomly get stack traces from kernel in /var/log/messages.log :

Mar 19 15:07:24 localhost kernel: [ 2768.906102] ------------[ cut here ]------------
Mar 19 15:07:24 localhost kernel: [ 2768.906133] WARNING: at drivers/net/wireless/brcm80211/brcmsmac/main.c:8234 brcms_c_wait_for_tx_completion+0x99/0xb0 [brcmsmac]()
Mar 19 15:07:24 localhost kernel: [ 2768.906140] Hardware name: Latitude E6420
Mar 19 15:07:24 localhost kernel: [ 2768.906143] Modules linked in: fuse snd_hda_codec_hdmi snd_hda_codec_idt arc4 snd_hda_intel brcmsmac snd_hda_codec cordic crc8 brcmutil snd_hwdep snd_pcm snd_page_alloc sdhci_pci mac80211 serio_raw snd_timer dell_wmi dell_laptop joydev nvidia(P) iTCO_wdt cfg80211 snd rfkill ppdev i2c_i801 parport_pc mei(C) evdev e1000e soundcore sdhci sparse_keymap psmouse processor thermal battery video ac button intel_agp parport pcspkr mmc_core i2c_core wmi intel_gtt iTCO_vendor_support dcdbas ext4 crc16 jbd2 mbcache aes_x86_64 cryptd aes_generic xts gf128mul dm_crypt dm_mod sd_mod usbhid hid ahci libahci libata scsi_mod ehci_hcd usbcore usb_common
Mar 19 15:07:24 localhost kernel: [ 2768.906209] Pid: 2121, comm: kworker/u:1 Tainted: P         C O 3.2.9-1-ARCH #1
Mar 19 15:07:24 localhost kernel: [ 2768.906211] Call Trace:
Mar 19 15:07:24 localhost kernel: [ 2768.906217]  [<ffffffff810660af>] warn_slowpath_common+0x7f/0xc0
Mar 19 15:07:24 localhost kernel: [ 2768.906220]  [<ffffffff8106610a>] warn_slowpath_null+0x1a/0x20
Mar 19 15:07:24 localhost kernel: [ 2768.906226]  [<ffffffffa0faa179>] brcms_c_wait_for_tx_completion+0x99/0xb0 [brcmsmac]
Mar 19 15:07:24 localhost kernel: [ 2768.906230]  [<ffffffffa0f9c1bb>] brcms_ops_flush+0x3b/0x60 [brcmsmac]
Mar 19 15:07:24 localhost kernel: [ 2768.906237]  [<ffffffffa0f5593e>] ieee80211_scan_work+0x11e/0x580 [mac80211]
Mar 19 15:07:24 localhost kernel: [ 2768.906244]  [<ffffffffa0f60998>] ? ieee80211_iface_work+0x2b8/0x350 [mac80211]
Mar 19 15:07:24 localhost kernel: [ 2768.906249]  [<ffffffffa0f55820>] ? ieee80211_scan_rx+0x190/0x190 [mac80211]
Mar 19 15:07:24 localhost kernel: [ 2768.906254]  [<ffffffff81082a66>] process_one_work+0x116/0x4d0
Mar 19 15:07:24 localhost kernel: [ 2768.906257]  [<ffffffff810833fe>] worker_thread+0x15e/0x350
Mar 19 15:07:24 localhost kernel: [ 2768.906260]  [<ffffffff810832a0>] ? manage_workers.isra.29+0x230/0x230
Mar 19 15:07:24 localhost kernel: [ 2768.906263]  [<ffffffff8108843c>] kthread+0x8c/0xa0
Mar 19 15:07:24 localhost kernel: [ 2768.906267]  [<ffffffff8145feb4>] kernel_thread_helper+0x4/0x10
Mar 19 15:07:24 localhost kernel: [ 2768.906270]  [<ffffffff810883b0>] ? kthread_worker_fn+0x190/0x190
Mar 19 15:07:24 localhost kernel: [ 2768.906273]  [<ffffffff8145feb0>] ? gs_change+0x13/0x13
Mar 19 15:07:24 localhost kernel: [ 2768.906275] ---[ end trace 61129c29b1c1202c ]---

This one is all alone, sometime I got a few more.

I'm still connected to my AP.

I may add that I got a very good signal as the AP was just next to my laptop when it happened.

Shall I simply ignore it?