Bug#854353: Reporoduced on ThinkPad X220
After booting linux-image-4.9.0-0.bpo.1-amd64 from jessie-backports,
wireless interface stops working within minutes after system boot.
rmmod/modprobe helps to squeeze some more and yields a warning:
------------[ cut here ]------------
WARNING: CPU: 3 PID: 12725 at /home/zumbi/linux-4.9.2/net/mac80211/main.c:1201 ieee80211_free_ack_frame+0x3f/0x50 [mac80211]
Have pending ack frames!
Modules linked in: nls_ascii nls_cp437 vfat fat pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) veth ctr ccm bnep iptable_filter autofs4 nfsd auth_rpcgss nfs_acl nfs lockd grace fscache sunrpc ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables bridge stp llc overlay fuse tp_smapi(OE) thinkpad_ec(OE) parport_pc ppdev lp parport snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_codec_generic intel_rapl iTCO_wdt x86_pkg_temp_thermal iTCO_vendor_support intel_powerclamp uvcvideo coretemp videobuf2_vmalloc kvm_intel videobuf2_memops videobuf2_v4l2 kvm btusb btrtl btbcm btintel arc4 bluetooth snd_hda_intel videobuf2_core irqbypass rtl8192ce(-) videodev rtl_pci i915 rtl8192c_common snd_hda_codec
intel_cstate rtlwifi snd_hda_core media intel_uncore snd_hwdep mac80211 intel_rapl_perf snd_pcm evdev thinkpad_acpi joydev i2c_i801 drm_kms_helper serio_raw pcspkr snd_timer nvram i2c_smbus snd cfg80211 wmi drm rfkill battery ac soundcore mei_me button video shpchp mei i2c_algo_bit lpc_ich mfd_core tpm_tis tpm_tis_core tpm ext4 crc16 jbd2 fscrypto mbcache xts gf128mul algif_skcipher af_alg dm_crypt dm_mod sg sd_mod uas usb_storage ahci crct10dif_pclmul libahci crc32_pclmul crc32c_intel ghash_clmulni_intel cryptd libata psmouse scsi_mod ehci_pci ehci_hcd sdhci_pci sdhci usbcore e1000e mmc_core usb_common ptp pps_core thermal fjes
CPU: 3 PID: 12725 Comm: rmmod Tainted: G OE 4.9.0-0.bpo.1-amd64 #1 Debian 4.9.2-2~bpo8+1
Hardware name: LENOVO 4290RV5/4290RV5, BIOS 8DET72WW (1.42 ) 02/18/2016
0000000000000000 ffffffffac92a1f5 ffffa402c2263d60 0000000000000000
ffffffffac677884 ffff93b384fdf500 ffffa402c2263db8 00000000000000ff
00000000ffffffff ffffffffc0601a20 0000000000000001 ffffffffac6778ff
Call Trace:
[<ffffffffac92a1f5>] ? dump_stack+0x5c/0x77
[<ffffffffac677884>] ? __warn+0xc4/0xe0
[<ffffffffc0601a20>] ? ieee80211_free_hw+0x60/0x60 [mac80211]
[<ffffffffac6778ff>] ? warn_slowpath_fmt+0x5f/0x80
[<ffffffffacace870>] ? pci_conf1_write+0xb0/0xf0
[<ffffffffc0601a5f>] ? ieee80211_free_ack_frame+0x3f/0x50 [mac80211]
[<ffffffffac92ab78>] ? idr_for_each+0xa8/0x110
[<ffffffffc06019f8>] ? ieee80211_free_hw+0x38/0x60 [mac80211]
[<ffffffffac97d966>] ? pci_device_remove+0x36/0xb0
[<ffffffffaca6e285>] ? __device_release_driver+0x95/0x140
[<ffffffffaca6e41e>] ? driver_detach+0xae/0xb0
[<ffffffffaca6d2f5>] ? bus_remove_driver+0x55/0xd0
[<ffffffffac97c0a6>] ? pci_unregister_driver+0x26/0x70
[<ffffffffac7001ec>] ? SyS_delete_module+0x18c/0x270
[<ffffffffacbfa1bb>] ? system_call_fast_compare_end+0xc/0x9b
---[ end trace e3257c36ef2a8090 ]---
--
Best regards,
Ivan
Reply to: