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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1354690
Title:
iwlwifi (Intel Centrio Ultimate-N 6300) intermittently has issues with
ieee80211_crypto_ccmp_encrypt+0xbc/0x270
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
The actual stack trace of the issue is here:
[313819.476992] ------------[ cut here ]------------
[313819.477052] WARNING: CPU: 0 PID: 0 at
/build/buildd/linux-3.13.0/net/mac80211/wpa.c:427
ieee80211_crypto_ccmp_encrypt+0xbc/0x270 [mac80211]()
[313819.477060] Modules linked in: ctr ccm ipt_MASQUERADE iptable_nat
nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack
ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter
ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables acpi_call(OF)
pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) rfcomm bnep
binfmt_misc dm_crypt uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core
videodev btusb bluetooth arc4 iwldvm mac80211 dm_multipath scsi_dh intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel(OF) kvm(OF)
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw
gf128mul glue_helper ablk_helper cryptd snd_hda_codec_hdmi
snd_hda_codec_realtek joydev serio_raw iwlwifi snd_hda_intel snd_hda_codec
cfg80211 snd_hwdep lpc_ich snd_pcm thinkpad_acpi nvram snd_page_alloc mei_me
mei snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device
snd_timer snd soundcore parport_pc ppdev mac_hid lp parport usb_storage
hid_generic hid_logitech_dj usbhid hid e1000e i915 i2c_algo_bit psmouse
drm_kms_helper ahci drm sdhci_pci libahci ptp sdhci pps_core wmi video
[313819.477198] CPU: 0 PID: 0 Comm: swapper/0 Tainted: GF W O
3.13.0-32-generic #57-Ubuntu
[313819.477202] Hardware name: LENOVO 2342CTO/2342CTO, BIOS G1ET93WW (2.53 )
03/08/2013
[313819.477205] 0000000000000009 ffff88021e203880 ffffffff8171bcb4
0000000000000000
[313819.477210] ffff88021e2038b8 ffffffff810676cd ffff880041e4f8e8
ffff880004d6ec00
[313819.477215] ffff88021e203a20 00000000000005c6 000000000000001a
ffff88021e2038c8
[313819.477220] Call Trace:
[313819.477224] <IRQ> [<ffffffff8171bcb4>] dump_stack+0x45/0x56
[313819.477252] [<ffffffff810676cd>] warn_slowpath_common+0x7d/0xa0
[313819.477257] [<ffffffff810677aa>] warn_slowpath_null+0x1a/0x20
[313819.477279] [<ffffffffa050644c>]
ieee80211_crypto_ccmp_encrypt+0xbc/0x270 [mac80211]
[313819.477293] [<ffffffffa05c837f>] ? rs_get_rate+0x8f/0x2e0 [iwldvm]
[313819.477323] [<ffffffffa052627a>] invoke_tx_handlers+0x14ea/0x1560
[mac80211]
[313819.477380] [<ffffffffa0526427>] ieee80211_tx+0x77/0xf0 [mac80211]
[313819.477404] [<ffffffffa052668d>] ieee80211_xmit+0x9d/0x100 [mac80211]
[313819.477459] [<ffffffffa052709a>] ieee80211_subif_start_xmit+0x68a/0xd70
[mac80211]
[313819.477472] [<ffffffff81621d38>] dev_hard_start_xmit+0x318/0x560
[313819.477482] [<ffffffff81640d6e>] sch_direct_xmit+0xee/0x1c0
[313819.477496] [<ffffffff816221b0>] __dev_queue_xmit+0x230/0x500
[313819.477506] [<ffffffff81622490>] dev_queue_xmit+0x10/0x20
[313819.477515] [<ffffffff8165aa89>] ip_finish_output+0x2c9/0x3b0
[313819.477525] [<ffffffff8165bed8>] ip_output+0x58/0x90
[313819.477533] [<ffffffff8165b635>] ip_local_out+0x25/0x30
[313819.477538] [<ffffffff8165b98d>] ip_queue_xmit+0x13d/0x3e0
[313819.477548] [<ffffffff81672749>] tcp_transmit_skb+0x469/0x8d0
[313819.477558] [<ffffffff81673bdc>] __tcp_retransmit_skb+0x14c/0x510
[313819.477568] [<ffffffff810cd536>] ? ktime_get_real+0x16/0x50
[313819.477575] [<ffffffff816741c9>] tcp_retransmit_skb+0x19/0x120
[313819.477584] [<ffffffff8167615c>] tcp_retransmit_timer+0x28c/0x730
[313819.477593] [<ffffffff816767b0>] ? tcp_write_timer_handler+0x1b0/0x1b0
[313819.477600] [<ffffffff816766a0>] tcp_write_timer_handler+0xa0/0x1b0
[313819.477609] [<ffffffff8167682c>] tcp_write_timer+0x7c/0x80
[313819.477619] [<ffffffff81074236>] call_timer_fn+0x36/0x100
[313819.477626] [<ffffffff816767b0>] ? tcp_write_timer_handler+0x1b0/0x1b0
[313819.477636] [<ffffffff810751cf>] run_timer_softirq+0x1ef/0x2f0
[313819.477646] [<ffffffff8106cafc>] __do_softirq+0xec/0x2c0
[313819.477657] [<ffffffff8106d045>] irq_exit+0x105/0x110
[313819.477667] [<ffffffff8172ea45>] smp_apic_timer_interrupt+0x45/0x60
[313819.477677] [<ffffffff8172d3dd>] apic_timer_interrupt+0x6d/0x80
[313819.477684] <EOI> [<ffffffff815ceb02>] ? cpuidle_enter_state+0x52/0xc0
[313819.477701] [<ffffffff815cec29>] cpuidle_idle_call+0xb9/0x1f0
[313819.477712] [<ffffffff8101cebe>] arch_cpu_idle+0xe/0x30
[313819.477723] [<ffffffff810bec65>] cpu_startup_entry+0xc5/0x290
[313819.477732] [<ffffffff8170a187>] rest_init+0x77/0x80
[313819.477741] [<ffffffff81d35f70>] start_kernel+0x438/0x443
[313819.477746] [<ffffffff81d35941>] ? repair_env_string+0x5c/0x5c
[313819.477756] [<ffffffff81d35120>] ? early_idt_handlers+0x120/0x120
[313819.477763] [<ffffffff81d355ee>] x86_64_start_reservations+0x2a/0x2c
[313819.477773] [<ffffffff81d35733>] x86_64_start_kernel+0x143/0x152
[313819.477780] ---[ end trace d26dd8b1269598a9 ]---
I had to reboot before I could submit a report as when the problem occurs,
internet connectivity only works for sites without SSL from my observations.
Happens about every 3 days of my laptop running at constant use.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-32-generic 3.13.0-32.57 [modified:
lib/modules/3.13.0-32-generic/kernel/arch/x86/kvm/kvm-amd.ko
lib/modules/3.13.0-32-generic/kernel/arch/x86/kvm/kvm-intel.ko
lib/modules/3.13.0-32-generic/kernel/arch/x86/kvm/kvm.ko]
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: anthony 2950 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Aug 9 08:41:30 2014
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=0a661885-ed6d-4d4a-9aad-54e22250a0a2
InstallationDate: Installed on 2013-08-16 (357 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: LENOVO 2342CTO
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-32-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-32-generic N/A
linux-backports-modules-3.13.0-32-generic N/A
linux-firmware 1.127.5
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-04-18 (113 days ago)
dmi.bios.date: 03/08/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: G1ET93WW (2.53 )
dmi.board.asset.tag: Not Available
dmi.board.name: 2342CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrG1ET93WW(2.53):bd03/08/2013:svnLENOVO:pn2342CTO:pvrThinkPadT430:rvnLENOVO:rn2342CTO:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2342CTO
dmi.product.version: ThinkPad T430
dmi.sys.vendor: LENOVO
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