Hi, Touko Korpela wrote:
> Here is log from 3.2.18-1 kernel with X125 laptop. WARNING is there. [...] > Linux version 3.2.0-2-686-pae (Debian 3.2.18-1) > (debian-kernel@lists.debian.org) (gcc version 4.6.3 (Debian 4.6.3-5) ) #1 SMP > Mon May 21 18:24:12 UTC 2012 [...] > ------------[ cut here ]------------ > WARNING: at [...]/drivers/net/wireless/brcm80211/brcmsmac/main.c:8241 > brcms_c_wait_for_tx_completion+0x73/0x7d [brcmsmac]() > Hardware name: X125 > Modules linked in: cryptd aes_i586 aes_generic bridge stp bnep rfcomm > powernow_k8 mperf cpufreq_stats cpufreq_userspace cpufreq_conservative > cpufreq_powersave fuse loop snd_hda_codec_hdmi joydev arc4 brcmsmac mac80211 > brcmutil snd_hda_codec_realtek radeon snd_hda_intel ttm drm_kms_helper drm > uvcvideo snd_hda_codec snd_hwdep snd_pcm snd_seq tpm_tis tpm tpm_bios > snd_timer ac button videodev media btusb evdev sp5100_tco snd_seq_device > video battery processor k10temp snd samsung_laptop i2c_algo_bit pcspkr > power_supply i2c_piix4 i2c_core bluetooth cfg80211 shpchp rfkill psmouse > serio_raw soundcore crc8 snd_page_alloc cordic ext4 mbcache jbd2 crc16 > usb_storage uas sd_mod crc_t10dif ohci_hcd ahci libahci libata ehci_hcd > scsi_mod thermal thermal_sys usbcore usb_common sky2 [last unloaded: > scsi_wait_scan] > Pid: 3127, comm: kworker/u:2 Not tainted 3.2.0-2-686-pae #1 > Call Trace: > [<c1038468>] ? warn_slowpath_common+0x68/0x79 > [<f8759e22>] ? brcms_c_wait_for_tx_completion+0x73/0x7d [brcmsmac] > [<c1038486>] ? warn_slowpath_null+0xd/0x10 > [<f8759e22>] ? brcms_c_wait_for_tx_completion+0x73/0x7d [brcmsmac] > [<f875110f>] ? brcms_ops_flush+0x1f/0x29 [brcmsmac] > [<f86abdca>] ? ieee80211_scan_work+0x36a/0x3fb [mac80211] > [<c1049aef>] ? process_one_work+0x112/0x1fa > [<f86aba60>] ? ieee80211_scan_rx+0x139/0x139 [mac80211] > [<c104a7fa>] ? worker_thread+0xa9/0x122 > [<c104a751>] ? manage_workers.isra.23+0x13d/0x13d > [<c104d13b>] ? kthread+0x63/0x68 > [<c104d0d8>] ? kthread_worker_fn+0x101/0x101 > [<c12c5c7e>] ? kernel_thread_helper+0x6/0x10 > ---[ end trace b3b9484c4306740d ]--- This is 20 hours after boot so I'm guessing it's not easy to reproduce. Alas. Thanks for reporting it. Do you think the patch added in 3.2.18 made a difference? How often were you getting the wait_for_tx_completion WARNING before, and are you getting it less often now? (I'm asking because this information would probably be helpful to upstream in diagnosing this.) Hope that helps, Jonathan -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20120525163407.GB3726@burratino