BCM4301 noise
Sandro Santilli
strk at keybit.net
Sat Sep 7 09:07:38 EDT 2013
On Fri, Sep 06, 2013 at 04:07:46PM -0500, Larry Finger wrote:
> The offending module is usually marked with a P in the
> modules-loaded list that comes with the oops/warning output. No
> modules had this annotation, which could happen if the offending
> module was loaded and unloaded before the dump happened. Have you
> loaded any other module since the last reboot?
Not that I'm aware of. But this is what I found in kern.log, which
looks like the same warning prduced by a non-tained version, very
early on boot time, followed (no other logs in between) by a tainted
report:
Sep 6 19:11:38 xtp kernel: [ 10.763686] EXT3-fs (sda1): mounted filesystem with ordered data mode
Sep 6 19:11:41 xtp kernel: [ 18.458931] b43legacy ssb0:0: firmware: agent loaded b43legacy/ucode2.fw into memory
Sep 6 19:11:41 xtp kernel: [ 18.620387] b43legacy ssb0:0: firmware: agent loaded b43legacy/pcm4.fw into memory
Sep 6 19:11:41 xtp kernel: [ 18.746451] b43legacy ssb0:0: firmware: agent loaded b43legacy/b0g0initvals2.fw into memory
Sep 6 19:11:42 xtp kernel: [ 18.856054] b43legacy-phy0: Loading firmware version 0x127, patch level 14 (2005-04-18 02:36:27)
Sep 6 19:11:42 xtp kernel: [ 18.913047] b43legacy-phy0 debug: Chip initialized
Sep 6 19:11:42 xtp kernel: [ 18.913488] b43legacy-phy0 debug: 30-bit DMA initialized
Sep 6 19:11:42 xtp kernel: [ 18.914875] b43legacy-phy0 debug: Wireless interface started
Sep 6 19:11:42 xtp kernel: [ 18.914925] b43legacy-phy0 debug: Adding Interface type 2
Sep 6 19:11:42 xtp kernel: [ 19.232044] b43legacy-phy0 ERROR: MAC suspend failed
Sep 6 19:11:42 xtp kernel: [ 19.252140] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Sep 6 19:11:42 xtp kernel: [ 19.263143] skge 0000:00:0d.0: eth0: enabling interface
Sep 6 19:11:44 xtp kernel: [ 21.480649] ------------[ cut here ]------------
Sep 6 19:11:44 xtp kernel: [ 21.480675] WARNING: at /build/linux-ppSMWv/linux-3.2.46/debian/build/source_rt/drivers/net/wireless/b43legacy/debugfs.c:485 b43legacy_debugfs_log_txstat+0x2a/0x71 [b43legacy]()
Sep 6 19:11:44 xtp kernel: [ 21.480680] Hardware name: L5C
Sep 6 19:11:44 xtp kernel: [ 21.480684] Modules linked in: radeon joydev i2c_sis96x arc4 ttm snd_intel8x0m snd_intel8x0 drm_kms_helper b43legacy snd_ac97_codec drm snd_pcm i2c_algo_bit snd_page_alloc snd_seq snd_seq_device snd_timer snd i2c_core mac80211 shpchp yenta_socket pcmcia_rsrc psmouse pcspkr serio_raw evdev soundcore ac97_bus cfg80211 rng_core battery ac power_supply asus_laptop sparse_keymap rfkill button input_polldev processor ext3 mbcache jbd sg sr_mod sd_mod cdrom crc_t10dif ata_generic cb710_mmc floppy fan thermal thermal_sys pata_sis libata ohci_hcd ssb mmc_core skge ehci_hcd usbcore scsi_mod pcmcia pcmcia_core cb710 firewire_ohci usb_common firewire_core crc_itu_t [last unloaded: scsi_wait_scan]
Sep 6 19:11:44 xtp kernel: [ 21.480751] Pid: 1955, comm: irq/17-b43legac Not tainted 3.2.0-4-rt-686-pae #1 Debian 3.2.46-1+deb7u1
Sep 6 19:11:44 xtp kernel: [ 21.480755] Call Trace:
Sep 6 19:11:44 xtp kernel: [ 21.480768] [<c103029a>] ? warn_slowpath_common+0x68/0x79
Sep 6 19:11:44 xtp kernel: [ 21.480776] [<e0ae953c>] ? b43legacy_debugfs_log_txstat+0x2a/0x71 [b43legacy]
Sep 6 19:11:44 xtp kernel: [ 21.480783] [<c10302b8>] ? warn_slowpath_null+0xd/0x10
Sep 6 19:11:44 xtp kernel: [ 21.480791] [<e0ae953c>] ? b43legacy_debugfs_log_txstat+0x2a/0x71 [b43legacy]
Sep 6 19:11:44 xtp kernel: [ 21.480801] [<e0ae865e>] ? b43legacy_handle_txstatus+0xb/0x54 [b43legacy]
Sep 6 19:11:44 xtp kernel: [ 21.480810] [<e0ae8710>] ? b43legacy_handle_hwtxstatus+0x69/0x6e [b43legacy]
Sep 6 19:11:44 xtp kernel: [ 21.480818] [<e0aead85>] ? b43legacy_dma_rx+0x119/0x2b5 [b43legacy]
Sep 6 19:11:44 xtp kernel: [ 21.480827] [<e0adf2de>] ? b43legacy_interrupt_tasklet+0x40b/0x505 [b43legacy]
Sep 6 19:11:44 xtp kernel: [ 21.480835] [<c10261c1>] ? enqueue_task_rt+0xf0/0x1cd
Sep 6 19:11:44 xtp kernel: [ 21.480844] [<c1021b29>] ? test_tsk_need_resched+0xd/0x16
Sep 6 19:11:44 xtp kernel: [ 21.480851] [<c12c46f3>] ? sub_preempt_count+0x74/0x80
Sep 6 19:11:44 xtp kernel: [ 21.480857] [<c1035048>] ? __tasklet_action.isra.4+0x7c/0xd6
Sep 6 19:11:44 xtp kernel: [ 21.480862] [<c10352de>] ? __do_softirq_common+0xb2/0x174
Sep 6 19:11:44 xtp kernel: [ 21.480868] [<c10356d8>] ? local_bh_enable+0x97/0x101
Sep 6 19:11:44 xtp kernel: [ 21.480875] [<c107361d>] ? irq_forced_thread_fn+0x34/0x3a
Sep 6 19:11:44 xtp kernel: [ 21.480880] [<c10734aa>] ? irq_thread+0xbf/0x1db
Sep 6 19:11:44 xtp kernel: [ 21.480884] [<c10735e9>] ? irq_thread_fn+0x23/0x23
Sep 6 19:11:44 xtp kernel: [ 21.480890] [<c10733eb>] ? irq_finalize_oneshot+0x88/0x88
Sep 6 19:11:44 xtp kernel: [ 21.480897] [<c1046758>] ? kthread+0x63/0x68
Sep 6 19:11:44 xtp kernel: [ 21.480903] [<c10466f5>] ? rcu_read_unlock_sched_notrace+0x1e/0x1e
Sep 6 19:11:44 xtp kernel: [ 21.480909] [<c12c623e>] ? kernel_thread_helper+0x6/0xd
Sep 6 19:11:44 xtp kernel: [ 21.480912] ---[ end trace 0000000000000002 ]---
Sep 6 19:11:44 xtp kernel: [ 21.480916] ------------[ cut here ]------------
Sep 6 19:11:44 xtp kernel: [ 21.480924] WARNING: at /build/linux-ppSMWv/linux-3.2.46/debian/build/source_rt/drivers/net/wireless/b43legacy/dma.c:1212 b43legacy_dma_handle_txstatus+0xca/0x2a6 [b43legacy]()
Sep 6 19:11:44 xtp kernel: [ 21.480929] Hardware name: L5C
Sep 6 19:11:44 xtp kernel: [ 21.480931] Modules linked in: radeon joydev i2c_sis96x arc4 ttm snd_intel8x0m snd_intel8x0 drm_kms_helper b43legacy snd_ac97_codec drm snd_pcm i2c_algo_bit snd_page_alloc snd_seq snd_seq_device snd_timer snd i2c_core mac80211 shpchp yenta_socket pcmcia_rsrc psmouse pcspkr serio_raw evdev soundcore ac97_bus cfg80211 rng_core battery ac power_supply asus_laptop sparse_keymap rfkill button input_polldev processor ext3 mbcache jbd sg sr_mod sd_mod cdrom crc_t10dif ata_generic cb710_mmc floppy fan thermal thermal_sys pata_sis libata ohci_hcd ssb mmc_core skge ehci_hcd usbcore scsi_mod pcmcia pcmcia_core cb710 firewire_ohci usb_common firewire_core crc_itu_t [last unloaded: scsi_wait_scan]
Sep 6 19:11:44 xtp kernel: [ 21.480978] Pid: 1955, comm: irq/17-b43legac Tainted: G W 3.2.0-4-rt-686-pae #1 Debian 3.2.46-1+deb7u1
Sep 6 19:11:44 xtp kernel: [ 21.480982] Call Trace:
Sep 6 19:11:44 xtp kernel: [ 21.480988] [<c103029a>] ? warn_slowpath_common+0x68/0x79
Sep 6 19:11:44 xtp kernel: [ 21.480997] [<e0aeaa90>] ? b43legacy_dma_handle_txstatus+0xca/0x2a6 [b43legacy]
Sep 6 19:11:44 xtp kernel: [ 21.481003] [<c10302b8>] ? warn_slowpath_null+0xd/0x10
Sep 6 19:11:44 xtp kernel: [ 21.481012] [<e0aeaa90>] ? b43legacy_dma_handle_txstatus+0xca/0x2a6 [b43legacy]
Sep 6 19:11:44 xtp kernel: [ 21.481019] [<c102aeae>] ? migrate_enable+0x120/0x132
Sep 6 19:11:44 xtp kernel: [ 21.481028] [<e0ae8710>] ? b43legacy_handle_hwtxstatus+0x69/0x6e [b43legacy]
Sep 6 19:11:44 xtp kernel: [ 21.481037] [<e0aead85>] ? b43legacy_dma_rx+0x119/0x2b5 [b43legacy]
Sep 6 19:11:44 xtp kernel: [ 21.481046] [<e0adf2de>] ? b43legacy_interrupt_tasklet+0x40b/0x505 [b43legacy]
Sep 6 19:11:44 xtp kernel: [ 21.481052] [<c10261c1>] ? enqueue_task_rt+0xf0/0x1cd
Sep 6 19:11:44 xtp kernel: [ 21.481058] [<c1021b29>] ? test_tsk_need_resched+0xd/0x16
Sep 6 19:11:44 xtp kernel: [ 21.481063] [<c12c46f3>] ? sub_preempt_count+0x74/0x80
Sep 6 19:11:44 xtp kernel: [ 21.481069] [<c1035048>] ? __tasklet_action.isra.4+0x7c/0xd6
Sep 6 19:11:44 xtp kernel: [ 21.481074] [<c10352de>] ? __do_softirq_common+0xb2/0x174
Sep 6 19:11:44 xtp kernel: [ 21.481080] [<c10356d8>] ? local_bh_enable+0x97/0x101
Sep 6 19:11:44 xtp kernel: [ 21.481085] [<c107361d>] ? irq_forced_thread_fn+0x34/0x3a
Sep 6 19:11:44 xtp kernel: [ 21.481090] [<c10734aa>] ? irq_thread+0xbf/0x1db
Sep 6 19:11:44 xtp kernel: [ 21.481095] [<c10735e9>] ? irq_thread_fn+0x23/0x23
Sep 6 19:11:44 xtp kernel: [ 21.481100] [<c10733eb>] ? irq_finalize_oneshot+0x88/0x88
Sep 6 19:11:44 xtp kernel: [ 21.481106] [<c1046758>] ? kthread+0x63/0x68
Sep 6 19:11:44 xtp kernel: [ 21.481112] [<c10466f5>] ? rcu_read_unlock_sched_notrace+0x1e/0x1e
Sep 6 19:11:44 xtp kernel: [ 21.481117] [<c12c623e>] ? kernel_thread_helper+0x6/0xd
Sep 6 19:11:44 xtp kernel: [ 21.481121] ---[ end trace 0000000000000003 ]---
--strk;
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