just hit the bug again with 3.5.0-13.
Sep 24 17:06:34 virgil kernel: [858006.506717] iwlwifi 0000:02:00.0: Queue 4
stuck for 2000 ms.
Sep 24 17:06:34 virgil kernel: [858006.506725] iwlwifi 0000:02:00.0: Current SW
read_ptr 191 write_ptr 194
Sep 24 17:06:34 virgil kernel: [858006.524882] ------------[ cut here
]------------
Sep 24 17:06:34 virgil kernel: [858006.524923] WARNING: at
/build/buildd/linux-3.5.0/drivers/net/wireless/iwlwifi/iwl-io.c:127
iwl_grab_nic_access+0x7e/0x90 [iwlwifi]()
Sep 24 17:06:34 virgil kernel: [858006.524925] Hardware name: 3249CTO
Sep 24 17:06:34 virgil kernel: [858006.524928] Timeout waiting for hardware
access (CSR_GP_CNTRL 0xffffffff)
Sep 24 17:06:34 virgil kernel: [858006.524930] Modules linked in: nls_iso8859_1
msr nf_conntrack_ipv6 nf_defrag_ipv6 xt_recent ufs qnx4 hfsplus hfs minix ntfs
msdos jfs xfs reiserfs ext2 vhost_net macvtap macvlan md4 des_generic nls_utf8
cifs ip6table_filter ip6_tables ebtable_nat ebtables ipt_MASQUERADE iptable_nat
nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT
xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge
stp llc arc4 snd_hda_codec_hdmi snd_hda_codec_conexant coretemp kvm_intel kvm
dm_multipath microcode scsi_dh snd_hda_intel snd_hda_codec uvcvideo
videobuf2_core thinkpad_acpi videodev snd_usb_audio snd_hwdep snd_usbmidi_lib
snd_seq_midi videobuf2_vmalloc bnep snd_rawmidi videobuf2_memops snd_pcm rfcomm
joydev iwlwifi snd_seq_midi_event psmouse snd_seq btusb bluetooth snd_timer
mac80211 snd_seq_device serio_raw intel_ips lpc_ich cfg80211 snd snd_page_alloc
mac_hid soundcore nvram tpm_tis mei rpcsec_gss_krb5 nfsd nfs binfmt_misc lockd
fscache auth_rpcgss
Sep 24 17:06:34 virgil kernel: nfs_acl sunrpc lp parport btrfs zlib_deflate
libcrc32c dm_crypt hid_microsoft usbhid hid uas usb_storage dm_snapshot
ghash_clmulni_intel aesni_intel cryptd aes_x86_64 i915 e1000e drm_kms_helper
drm i2c_algo_bit wmi video
Sep 24 17:06:34 virgil kernel: [858006.525052] Pid: 0, comm: swapper/0 Not
tainted 3.5.0-13-generic #14-Ubuntu
Sep 24 17:06:34 virgil kernel: [858006.525054] Call Trace:
Sep 24 17:06:34 virgil kernel: [858006.525057] <IRQ> [<ffffffff81051c4f>]
warn_slowpath_common+0x7f/0xc0
Sep 24 17:06:34 virgil kernel: [858006.525072] [<ffffffff81051d46>]
warn_slowpath_fmt+0x46/0x50
Sep 24 17:06:34 virgil kernel: [858006.525091] [<ffffffffa0577c91>] ?
iwl_grab_nic_access_silent+0xe1/0x120 [iwlwifi]
Sep 24 17:06:34 virgil kernel: [858006.525107] [<ffffffffa0577d4e>]
iwl_grab_nic_access+0x7e/0x90 [iwlwifi]
Sep 24 17:06:34 virgil kernel: [858006.525124] [<ffffffffa057800b>]
iwl_read_prph+0x3b/0xf0 [iwlwifi]
Sep 24 17:06:34 virgil kernel: [858006.525130] [<ffffffff8108a1f5>] ?
sched_clock_cpu+0xc5/0x120
Sep 24 17:06:34 virgil kernel: [858006.525135] [<ffffffff8108fc61>] ?
trigger_load_balance+0x61/0x220
Sep 24 17:06:34 virgil kernel: [858006.525154] [<ffffffffa0588c80>]
iwl_trans_pcie_queue_stuck_timer+0xc0/0x180 [iwlwifi]
Sep 24 17:06:34 virgil kernel: [858006.525172] [<ffffffffa0588bc0>] ?
iwl_trans_pcie_reclaim+0x120/0x120 [iwlwifi]
Sep 24 17:06:34 virgil kernel: [858006.525177] [<ffffffff810631ed>]
run_timer_softirq+0x13d/0x340
Sep 24 17:06:34 virgil kernel: [858006.525183] [<ffffffff8101a819>] ?
read_tsc+0x9/0x20
Sep 24 17:06:34 virgil kernel: [858006.525187] [<ffffffff8105a7e6>]
__do_softirq+0xb6/0x1d0
Sep 24 17:06:34 virgil kernel: [858006.525193] [<ffffffff810a7dd6>] ?
clockevents_program_event+0x76/0x120
Sep 24 17:06:34 virgil kernel: [858006.525198] [<ffffffff810a9324>] ?
tick_program_event+0x24/0x30
Sep 24 17:06:34 virgil kernel: [858006.525203] [<ffffffff8168be1c>]
call_softirq+0x1c/0x30
Sep 24 17:06:34 virgil kernel: [858006.525209] [<ffffffff810155c5>]
do_softirq+0x75/0xb0
Sep 24 17:06:34 virgil kernel: [858006.525213] [<ffffffff8105abb5>]
irq_exit+0xa5/0xb0
Sep 24 17:06:34 virgil kernel: [858006.525218] [<ffffffff8168c75e>]
smp_apic_timer_interrupt+0x6e/0x99
Sep 24 17:06:34 virgil kernel: [858006.525223] [<ffffffff8168b4ca>]
apic_timer_interrupt+0x6a/0x70
Sep 24 17:06:34 virgil kernel: [858006.525225] <EOI> [<ffffffff8139049a>] ?
intel_idle+0xea/0x150
Sep 24 17:06:34 virgil kernel: [858006.525236] [<ffffffff8139047b>] ?
intel_idle+0xcb/0x150
Sep 24 17:06:34 virgil kernel: [858006.525242] [<ffffffff81527c69>]
cpuidle_enter+0x19/0x20
Sep 24 17:06:34 virgil kernel: [858006.525246] [<ffffffff81528299>]
cpuidle_idle_call+0xa9/0x240
Sep 24 17:06:34 virgil kernel: [858006.525251] [<ffffffff8101c93f>]
cpu_idle+0xaf/0x120
Sep 24 17:06:34 virgil kernel: [858006.525257] [<ffffffff8164fcbe>]
rest_init+0x72/0x74
Sep 24 17:06:34 virgil kernel: [858006.525265] [<ffffffff81cf4bdf>]
start_kernel+0x3b7/0x3c4
Sep 24 17:06:34 virgil kernel: [858006.525270] [<ffffffff81cf4677>] ?
do_early_param+0x91/0x91
Sep 24 17:06:34 virgil kernel: [858006.525275] [<ffffffff81cf4356>]
x86_64_start_reservations+0x131/0x135
Sep 24 17:06:34 virgil kernel: [858006.525280] [<ffffffff81cf445a>]
x86_64_start_kernel+0x100/0x10f
Sep 24 17:06:34 virgil kernel: [858006.525283] ---[ end trace 72c0e9aecad10018
]---
Sep 24 17:06:34 virgil kernel: [858006.543503] iwlwifi 0000:02:00.0: Current HW
read_ptr 255 write_ptr -1
Sep 24 17:06:34 virgil kernel: [858006.543509] iwlwifi 0000:02:00.0: Loaded
firmware version: 9.221.4.1 build 25532
Sep 24 17:06:34 virgil kernel: [858006.561542] iwlwifi 0000:02:00.0: Start IWL
Error Log Dump:
Sep 24 17:06:34 virgil kernel: [858006.561548] iwlwifi 0000:02:00.0: Status:
0x0000005C, count: -1
Sep 24 17:06:34 virgil kernel: [858006.561554] iwlwifi 0000:02:00.0: 0x37C03D90
| ADVANCED_SYSASSERT
Sep 24 17:06:34 virgil kernel: [858006.561559] iwlwifi 0000:02:00.0: 0xFFFF8801
| uPc
Sep 24 17:06:34 virgil kernel: [858006.561564] iwlwifi 0000:02:00.0: 0x37C03D50
| branchlink1
Sep 24 17:06:34 virgil kernel: [858006.561569] iwlwifi 0000:02:00.0: 0xFFFF8801
| branchlink2
Sep 24 17:06:34 virgil kernel: [858006.561573] iwlwifi 0000:02:00.0: 0x37C03D58
| interruptlink1
Sep 24 17:06:34 virgil kernel: [858006.561577] iwlwifi 0000:02:00.0: fail to
flush all tx fifo queues
Sep 24 17:06:34 virgil kernel: [858006.561581] iwlwifi 0000:02:00.0: 0xFFFF8801
| interruptlink2
Sep 24 17:06:34 virgil kernel: [858006.561585] iwlwifi 0000:02:00.0: 0x00000010
| data1
Sep 24 17:06:34 virgil kernel: [858006.561588] iwlwifi 0000:02:00.0: 0x00000000
| data2
Sep 24 17:06:34 virgil kernel: [858006.561591] iwlwifi 0000:02:00.0: 0x37C03D98
| line
Sep 24 17:06:34 virgil kernel: [858006.561595] iwlwifi 0000:02:00.0: 0xFFFF8801
| beacon time
Sep 24 17:06:34 virgil kernel: [858006.561598] iwlwifi 0000:02:00.0: 0xA05A731A
| tsf low
Sep 24 17:06:34 virgil kernel: [858006.561601] iwlwifi 0000:02:00.0: 0xFFFFFFFF
| tsf hi
Sep 24 17:06:34 virgil kernel: [858006.561604] iwlwifi 0000:02:00.0: 0x2CC6B804
| time gp1
Sep 24 17:06:34 virgil kernel: [858006.561607] iwlwifi 0000:02:00.0: 0xFFFF8801
| time gp2
Sep 24 17:06:34 virgil kernel: [858006.561611] iwlwifi 0000:02:00.0: 0x00000000
| time gp3
Sep 24 17:06:34 virgil kernel: [858006.561615] iwlwifi 0000:02:00.0: 0x00000000
| uCode version
Sep 24 17:06:34 virgil kernel: [858006.561620] iwlwifi 0000:02:00.0: 0x37C03E00
| hw version
Sep 24 17:06:34 virgil kernel: [858006.561625] iwlwifi 0000:02:00.0: 0xFFFF8801
| board version
Sep 24 17:06:34 virgil kernel: [858006.561630] iwlwifi 0000:02:00.0: 0x00000000
| hcmd
Sep 24 17:06:34 virgil kernel: [858006.561635] iwlwifi 0000:02:00.0: 0xA05A731A
| isr0
Sep 24 17:06:34 virgil kernel: [858006.561639] iwlwifi 0000:02:00.0: 0xFFFFFFFF
| isr1
Sep 24 17:06:34 virgil kernel: [858006.561644] iwlwifi 0000:02:00.0: 0x37C03DA8
| isr2
Sep 24 17:06:34 virgil kernel: [858006.561647] iwlwifi 0000:02:00.0: 0xFFFF8801
| isr3
Sep 24 17:06:34 virgil kernel: [858006.561651] iwlwifi 0000:02:00.0: 0x00000020
| isr4
Sep 24 17:06:34 virgil kernel: [858006.561654] iwlwifi 0000:02:00.0: 0xFFFFFFFF
| isr_pref
Sep 24 17:06:34 virgil kernel: [858006.561658] iwlwifi 0000:02:00.0: 0x37C03E10
| wait_event
Sep 24 17:06:34 virgil kernel: [858006.561661] iwlwifi 0000:02:00.0: 0xFFFF8801
| l2p_control
Sep 24 17:06:34 virgil kernel: [858006.561664] iwlwifi 0000:02:00.0: 0x37C03DC0
| l2p_duration
Sep 24 17:06:34 virgil kernel: [858006.561668] iwlwifi 0000:02:00.0: 0xFFFF8801
| l2p_mhvalid
Sep 24 17:06:34 virgil kernel: [858006.561671] iwlwifi 0000:02:00.0: 0x37C03DC8
| l2p_addr_match
Sep 24 17:06:34 virgil kernel: [858006.561674] iwlwifi 0000:02:00.0: 0xFFFF8801
| lmpm_pmg_sel
Sep 24 17:06:34 virgil kernel: [858006.561677] iwlwifi 0000:02:00.0: 0x00000020
| timestamp
Sep 24 17:06:34 virgil kernel: [858006.561681] iwlwifi 0000:02:00.0: 0xFFFF8801
| flow_handler
Sep 24 17:06:34 virgil kernel: [858006.634070] iwlwifi 0000:02:00.0: Log
capacity -1 is bogus, limit to 512 entries
Sep 24 17:06:34 virgil kernel: [858006.634076] iwlwifi 0000:02:00.0: Log write
index -1 is bogus, limit to 512
Sep 24 17:06:34 virgil kernel: [858006.634080] iwlwifi 0000:02:00.0: Start IWL
Event Log Dump: display last 20 entries
Sep 24 17:06:34 virgil kernel: [858006.652198] iwlwifi 0000:02:00.0: Queue 0
stuck for 2000 ms.
Sep 24 17:06:34 virgil kernel: [858006.652203] iwlwifi 0000:02:00.0: Current SW
read_ptr 120 write_ptr 121
Sep 24 17:06:34 virgil kernel: [858006.706365] iwlwifi 0000:02:00.0: Current HW
read_ptr 255 write_ptr -1
Sep 24 17:06:34 virgil kernel: [858006.706373] iwlwifi 0000:02:00.0: Loaded
firmware version: 9.221.4.1 build 25532
Sep 24 17:06:34 virgil kernel: [858006.742418] iwlwifi 0000:02:00.0: Start IWL
Error Log Dump:
Sep 24 17:06:34 virgil kernel: [858006.742426] iwlwifi 0000:02:00.0: Status:
0x00000054, count: -1
Sep 24 17:06:34 virgil kernel: [858006.742433] iwlwifi 0000:02:00.0: 0x37C03D90
| ADVANCED_SYSASSERT
Sep 24 17:06:34 virgil kernel: [858006.742437] iwlwifi 0000:02:00.0: 0xFFFF8801
| uPc
Sep 24 17:06:34 virgil kernel: [858006.742440] iwlwifi 0000:02:00.0: 0x37C03D50
| branchlink1
Sep 24 17:06:34 virgil kernel: [858006.742444] iwlwifi 0000:02:00.0: 0xFFFF8801
| branchlink2
Sep 24 17:06:34 virgil kernel: [858006.742447] iwlwifi 0000:02:00.0: 0x37C03D58
| interruptlink1
Sep 24 17:06:34 virgil kernel: [858006.742451] iwlwifi 0000:02:00.0: 0xFFFF8801
| interruptlink2
Sep 24 17:06:34 virgil kernel: [858006.742454] iwlwifi 0000:02:00.0: 0x00000010
| data1
Sep 24 17:06:34 virgil kernel: [858006.742457] iwlwifi 0000:02:00.0: 0x00000000
| data2
Sep 24 17:06:34 virgil kernel: [858006.742461] iwlwifi 0000:02:00.0: 0x37C03D98
| line
Sep 24 17:06:34 virgil kernel: [858006.742464] iwlwifi 0000:02:00.0: 0xFFFF8801
| beacon time
Sep 24 17:06:34 virgil kernel: [858006.742467] iwlwifi 0000:02:00.0: 0xA05A731A
| tsf low
Sep 24 17:06:34 virgil kernel: [858006.742470] iwlwifi 0000:02:00.0: 0xFFFFFFFF
| tsf hi
Sep 24 17:06:34 virgil kernel: [858006.742474] iwlwifi 0000:02:00.0: 0x2CC6B804
| time gp1
Sep 24 17:06:34 virgil kernel: [858006.742477] iwlwifi 0000:02:00.0: 0xFFFF8801
| time gp2
Sep 24 17:06:34 virgil kernel: [858006.742480] iwlwifi 0000:02:00.0: 0x00000000
| time gp3
Sep 24 17:06:34 virgil kernel: [858006.742484] iwlwifi 0000:02:00.0: 0x00000000
| uCode version
Sep 24 17:06:34 virgil kernel: [858006.742487] iwlwifi 0000:02:00.0: 0x37C03E00
| hw version
Sep 24 17:06:34 virgil kernel: [858006.742490] iwlwifi 0000:02:00.0: 0xFFFF8801
| board version
Sep 24 17:06:34 virgil kernel: [858006.742494] iwlwifi 0000:02:00.0: 0x00000000
| hcmd
Sep 24 17:06:34 virgil kernel: [858006.742497] iwlwifi 0000:02:00.0: 0xA05A731A
| isr0
Sep 24 17:06:34 virgil kernel: [858006.742500] iwlwifi 0000:02:00.0: 0xFFFFFFFF
| isr1
Sep 24 17:06:34 virgil kernel: [858006.742504] iwlwifi 0000:02:00.0: 0x37C03DA8
| isr2
Sep 24 17:06:34 virgil kernel: [858006.742507] iwlwifi 0000:02:00.0: 0xFFFF8801
| isr3
Sep 24 17:06:34 virgil kernel: [858006.742510] iwlwifi 0000:02:00.0: 0x00000020
| isr4
Sep 24 17:06:34 virgil kernel: [858006.742514] iwlwifi 0000:02:00.0: 0xFFFFFFFF
| isr_pref
Sep 24 17:06:34 virgil kernel: [858006.742517] iwlwifi 0000:02:00.0: 0x37C03E10
| wait_event
Sep 24 17:06:34 virgil kernel: [858006.742521] iwlwifi 0000:02:00.0: 0xFFFF8801
| l2p_control
Sep 24 17:06:34 virgil kernel: [858006.742524] iwlwifi 0000:02:00.0: 0x37C03DC0
| l2p_duration
Sep 24 17:06:34 virgil kernel: [858006.742527] iwlwifi 0000:02:00.0: 0xFFFF8801
| l2p_mhvalid
Sep 24 17:06:34 virgil kernel: [858006.742531] iwlwifi 0000:02:00.0: 0x37C03DC8
| l2p_addr_match
Sep 24 17:06:34 virgil kernel: [858006.742534] iwlwifi 0000:02:00.0: 0xFFFF8801
| lmpm_pmg_sel
Sep 24 17:06:34 virgil kernel: [858006.742537] iwlwifi 0000:02:00.0: 0x00000020
| timestamp
Sep 24 17:06:34 virgil kernel: [858006.742541] iwlwifi 0000:02:00.0: 0xFFFF8801
| flow_handler
Sep 24 17:06:34 virgil kernel: [858006.886664] iwlwifi 0000:02:00.0: Log
capacity -1 is bogus, limit to 512 entries
Sep 24 17:06:34 virgil kernel: [858006.886673] iwlwifi 0000:02:00.0: Log write
index -1 is bogus, limit to 512
Sep 24 17:06:34 virgil kernel: [858006.886678] iwlwifi 0000:02:00.0: Start IWL
Event Log Dump: display last 20 entries
Sep 24 17:06:34 virgil kernel: [858007.158672] ieee80211 phy0: Hardware restart
was requested
Sep 24 17:06:34 virgil kernel: [858007.158693] iwlwifi 0000:02:00.0: Command
REPLY_ADD_STA failed: FW Error
Sep 24 17:06:34 virgil kernel: [858007.158702] HW problem - can not stop rx
aggregation for tid 0
Sep 24 17:06:34 virgil kernel: [858007.158730] ------------[ cut here
]------------
Marking incomplete, pending confirmation with upstream kernel.
** Changed in: linux (Ubuntu)
Status: Fix Released => Incomplete
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https://bugs.launchpad.net/bugs/1036427
Title:
unreliability with Centrino Ultimate-N 6300 wireless connection,
802.11n
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