Re: Out of memory on 3.5 kernels

From: Arend van Spriel
Date: Thu Sep 20 2012 - 09:52:36 EST


Thanks, Nico

> just while running, I got the following brcmsmac related error:
>
> [17336.572558] WARNING: at drivers/net/wireless/brcm80211/brcmsmac/main.c:7968 brcms_c_wait_for_tx_completion+0x99/0xb0 [brcmsmac]()
> [17336.572562] Hardware name: MacBookAir4,2
> [17336.572565] Modules linked in: sha256_generic snd_hda_codec_hdmi snd_hda_codec_cirrus ext4 jbd2 mbcache arc4 uvcvideo brcmsmac videobuf2_vmalloc videobuf2_memops cordic brcmutil btusb bluetooth i915 videobuf2_core mac80211 videodev crc16 acpi_cpufreq snd_hda_intel media i2c_algo_bit cfg80211 mperf drm_kms_helper snd_hda_codec rfkill joydev bcm5974 iTCO_wdt iTCO_vendor_support i2c_i801 intel_agp lpc_ich applesmc evdev microcode drm coretemp input_polldev pcspkr intel_gtt mfd_core i2c_core processor bcma snd_hwdep video button battery apple_bl mei ac snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_timer snd soundcore kvm_intel kvm nfs nfs_acl lockd auth_rpcgss sunrpc fscache autofs4 jfs xts gf128mul dm_crypt dm_mod sd_mod pata_acpi ata_generic hid_generic usb_storage hid_apple usbhid hid uhci_hcd aesni_intel aes_x86_64 aes_generic ghash_clmulni_intel cryptd crc32c_intel ata_piix libata scsi_mod ehci_hcd usbcore usb_common
> [17336.572716] Pid: 27714, comm: kworker/u:1 Not tainted 3.5.4-1-ARCH #1
> [17336.572719] Call Trace:
> [17336.572734] [<ffffffff81051a3f>] warn_slowpath_common+0x7f/0xc0
> [17336.572743] [<ffffffff81051a9a>] warn_slowpath_null+0x1a/0x20
> [17336.572759] [<ffffffffa063bd29>] brcms_c_wait_for_tx_completion+0x99/0xb0 [brcmsmac]
> [17336.572769] [<ffffffffa062e1bb>] brcms_ops_flush+0x3b/0x60 [brcmsmac]

This issue is bugging me for quite a while and some patch do patch up the issue, but it is still bleeding. Nasty one to get to the root cause of it, but I am testing my pitbull mentality on it ;-)

Gr. AvS

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