Re: iwlwifi getting stuck with current Linus' tree (646da63172)

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From: "Grumbach, Emmanuel" <emmanuel.grumbach@intel.com>
To: "jkosina@suse.cz" <jkosina@suse.cz>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"ilw@linux.intel.com" <ilw@linux.intel.com>,
	"Berg, Johannes" <johannes.berg@intel.com>
Subject: Re: iwlwifi getting stuck with current Linus' tree (646da63172)
Date: Thu, 23 Apr 2015 04:47:20 +0000	[thread overview]
Message-ID: <1429764440.4084.5.camel@intel.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1504222235340.3695@pobox.suse.cz>

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WARNING: multiple messages have this Message-ID (diff)

From: "Grumbach, Emmanuel" <emmanuel.grumbach@intel.com>
To: "jkosina@suse.cz" <jkosina@suse.cz>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"ilw@linux.intel.com" <ilw@linux.intel.com>,
	"Berg, Johannes" <johannes.berg@intel.com>
Subject: Re: iwlwifi getting stuck with current Linus' tree (646da63172)
Date: Thu, 23 Apr 2015 04:47:20 +0000	[thread overview]
Message-ID: <1429764440.4084.5.camel@intel.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1504222235340.3695@pobox.suse.cz>

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="utf-8", Size: 12204 bytes --]

Hi,


On Wed, 2015-04-22 at 22:42 +0200, Jiri Kosina wrote:
> Hi,
> 
> I've been running current Linus' tree and have been getting system lockups 
> frequently. After a few "silent" lockups, I was able to obtain a dmesg 
> before the machine turned dead again (wifi stopped working shortly before 
> that).
> 
> Before starting to debug / bisect (last known good on this machine is 
> 4.0-rc6), I am attaching the dmesg in case someone already knows what the 
> issue is.
> 

I briefly went over the iwlwifi commits between 4.0-rc6 and linux/master
and couldn't find anything obvious.
Note that for the device you have, the commits that touch
drivers/net/wireless/iwlwifi/mvm are not relevant.

What you are seeing is that the PCI host is disconnecting the WiFi NIC
for some weird reason. It is not the first time I see that, but
unfortunately, I have never been able to debug this. I am personally not
a HW PCI expert and I couldn't reproduce either...

I am afraid I won't save you the time of the bisection, but I am not
entirely sure that bisecting the iwlwifi driver is enough to find the
commit that broke it. You may want to bisect the pci bus driver as well.
First question is: Are you sure that 4.0-rc6 was good?

Let me know if you find something.

>  iwlwifi 0000:03:00.0: Error sending REPLY_ADD_STA: time out after 2000ms.
>  iwlwifi 0000:03:00.0: Current CMD queue read_ptr 235 write_ptr 237
>  iwlwifi 0000:03:00.0: Loaded firmware version: 8.83.5.1 build 33692
>  iwlwifi 0000:03:00.0: Start IWL Error Log Dump:
>  iwlwifi 0000:03:00.0: Status: 0x0000004C, count: -1
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | ADVANCED_SYSASSERT          
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | uPc
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | branchlink1
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | branchlink2
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | interruptlink1
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | interruptlink2
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | data1
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | data2
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | line
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | beacon time
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | tsf low
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | tsf hi
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | time gp1
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | time gp2
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | time gp3
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | uCode version
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | hw version
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | board version
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | hcmd
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | isr0
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | isr1
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | isr2
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | isr3
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | isr4
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | isr_pref
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | wait_event
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | l2p_control
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | l2p_duration
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | l2p_mhvalid
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | l2p_addr_match
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | lmpm_pmg_sel
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | timestamp
>  iwlwifi 0000:03:00.0: 0xFFFFFFFF | flow_handler
>  iwlwifi 0000:03:00.0: Log capacity -1 is bogus, limit to 256 entries
>  iwlwifi 0000:03:00.0: Log write index -1 is bogus, limit to 256
>  iwlwifi 0000:03:00.0: Start IWL Event Log Dump: display last 20 entries
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  iwlwifi 0000:03:00.0: EVT_LOGT:4294967295:0xffffffff:4294967295
>  wlan0: HW problem - can not stop rx aggregation for 00:b0:0c:4e:a5:28 tid 0
>  ieee80211 phy0: Hardware restart was requested
>  iwlwifi 0000:03:00.0: iwl_trans_wait_tx_queue_empty bad state = 0
>  iwlwifi 0000:03:00.0: L1 Disabled - LTR Disabled
>  iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
>  iwlwifi 0000:03:00.0: Failed to load firmware chunk!
>  iwlwifi 0000:03:00.0: Could not load the [0] uCode section
>  iwlwifi 0000:03:00.0: Failed to run INIT ucode: -110
>  iwlwifi 0000:03:00.0: Unable to initialize device.
>  ------------[ cut here ]------------
>  WARNING: CPU: 0 PID: 30 at net/mac80211/util.c:1800 ieee80211_reconfig+0x66a/0x2a00 [mac80211]()
>  Hardware became unavailable during restart.
>  Modules linked in: ctr ccm fuse tun iptable_mangle xt_DSCP nf_conntrack_ipv6 nf_defra
> e_filter ip6_tables xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack af_packet iptable_filter ip_tables x_tables iTCO_wdt iTCO_vendor_support iwldvm mac80211 kvm_intel kvm snd_hda_codec_conexant snd_hda_codec_generic iwlwifi microcode snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm cfg80211 thinkpad_acpi snd_seq pcspkr i2c_i801 lpc_ich mfd_core snd_seq_device snd_hda_core snd_timer e1000e snd ptp pps_core thermal wmi ac soundcore rfkill battery tpm_tis tpm acpi_cpufreq processor dm_mod ehci_pci uhci_hcd ehci_hcd i915 i2c_algo_bit drm_kms_helper ata_generic usbcore usb_common drm video thermal_sys button sg autofs4
>  CPU: 0 PID: 30 Comm: kworker/0:1 Not tainted 4.0.0-09000-g646da63 #1
>  Hardware name: LENOVO 7470BN2/7470BN2, BIOS 6DET38WW (2.02 ) 12/19/2008
>  Workqueue: events ieee80211_restart_work [mac80211]
>   ffffffffc0721b26 ffff880079443c28 ffffffff81686cc3 0000000000000000
>   ffff880079443c78 ffff880079443c68 ffffffff8105e8fa ffffffff81c44500
>   ffff880076091e18 00000000ffffff92 ffff88007c215b80 ffff88007c21e500
>  Call Trace:
>   [<ffffffff81686cc3>] dump_stack+0x4c/0x65
>   [<ffffffff8105e8fa>] warn_slowpath_common+0x8a/0xc0
>   [<ffffffff8105e976>] warn_slowpath_fmt+0x46/0x50
>   [<ffffffffc06c2e1c>] ? trace_drv_return_int+0x18c/0x1c0 [mac80211]
>   [<ffffffffc06c7aba>] ieee80211_reconfig+0x66a/0x2a00 [mac80211]
>   [<ffffffff8168cbee>] ? mutex_unlock+0xe/0x10
>   [<ffffffffc0677122>] ieee80211_restart_work+0x42/0x70 [mac80211]
>   [<ffffffff8107ce58>] process_one_work+0x1d8/0x800
>   [<ffffffff8107cdcb>] ? process_one_work+0x14b/0x800
>   [<ffffffff8107d59b>] worker_thread+0x11b/0x470
>   [<ffffffff8107d480>] ? process_one_work+0x800/0x800
>   [<ffffffff81083b9f>] kthread+0xef/0x110
>   [<ffffffff81083ab0>] ? kthread_create_on_node+0x210/0x210
>   [<ffffffff8168fce2>] ret_from_fork+0x42/0x70
>   [<ffffffff81083ab0>] ? kthread_create_on_node+0x210/0x210
>  ---[ end trace 5cececd09b834ad1 ]---
>  ------------[ cut here ]------------
>  WARNING: CPU: 0 PID: 30 at net/mac80211/driver-ops.h:12 ieee80211_do_stop+0xad4/0xb80 [mac80211]()
>  wlan0:  Failed check-sdata-in-driver check, flags: 0x4
>  Modules linked in: ctr ccm fuse tun iptable_mangle xt_DSCP nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack af_packet iptable_filter ip_tables x_tables iTCO_wdt iTCO_vendor_support iwldvm mac80211 kvm_intel kvm snd_hda_codec_conexant snd_hda_codec_generic iwlwifi microcode snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm cfg80211 thinkpad_acpi snd_seq pcspkr i2c_i801 lpc_ich mfd_core snd_seq_device snd_hda_core snd_timer e1000e snd ptp pps_core thermal wmi ac soundcore rfkill battery tpm_tis tpm acpi_cpufreq processor dm_mod ehci_pci uhci_hcd ehci_hcd i915 i2c_algo_bit drm_kms_helper ata_generic usbcore usb_common drm video thermal_sys button sg autofs4
>  CPU: 0 PID: 30 Comm: kworker/0:1 Tainted: G        W       4.0.0-09000-g646da63 #1
>  Hardware name: LENOVO 7470BN2/7470BN2, BIOS 6DET38WW (2.02 ) 12/19/2008
>  Workqueue: events ieee80211_restart_work [mac80211]
>   ffffffffc07215fa ffff880079443a78 ffffffff81686cc3 0000000000000000
>   ffff880079443ac8 ffff880079443ab8 ffffffff8105e8fa 0000000000000246
>   ffff88006a6009c0 ffff8800760909e0 0000000000000000 ffff880076091780
>  Call Trace:
>   [<ffffffff81686cc3>] dump_stack+0x4c/0x65
>   [<ffffffff8105e8fa>] warn_slowpath_common+0x8a/0xc0
>   [<ffffffff8105e976>] warn_slowpath_fmt+0x46/0x50
>   [<ffffffff8108ae2d>] ? __might_sleep+0x4d/0x90
>   [<ffffffffc069d8e4>] ieee80211_do_stop+0xad4/0xb80 [mac80211]
>   [<ffffffff815a54a7>] ? dev_deactivate_many+0x257/0x310
>   [<ffffffffc069d9aa>] ieee80211_stop+0x1a/0x20 [mac80211]
>   [<ffffffff81577645>] __dev_close_many+0x95/0xe0
>   [<ffffffff81577718>] dev_close_many+0x88/0x120
>   [<ffffffff81579d46>] dev_close.part.77+0x36/0x50
>   [<ffffffff81579d81>] dev_close+0x21/0x30
>   [<ffffffffc03896ad>] cfg80211_shutdown_all_interfaces+0x4d/0xc0 [cfg80211]
>   [<ffffffffc06c2675>] ieee80211_handle_reconfig_failure+0x95/0xa0 [mac80211]
>   [<ffffffffc06c753a>] ieee80211_reconfig+0xea/0x2a00 [mac80211]
>   [<ffffffff8168cbee>] ? mutex_unlock+0xe/0x10
>   [<ffffffffc0677122>] ieee80211_restart_work+0x42/0x70 [mac80211]
>   [<ffffffff8107ce58>] process_one_work+0x1d8/0x800
>   [<ffffffff8107cdcb>] ? process_one_work+0x14b/0x800
>   [<ffffffff8107d59b>] worker_thread+0x11b/0x470
>   [<ffffffff8107d480>] ? process_one_work+0x800/0x800
>   [<ffffffff81083b9f>] kthread+0xef/0x110
>   [<ffffffff81083ab0>] ? kthread_create_on_node+0x210/0x210
>   [<ffffffff8168fce2>] ret_from_fork+0x42/0x70
>   [<ffffffff81083ab0>] ? kthread_create_on_node+0x210/0x210
>  ---[ end trace 5cececd09b834ad2 ]---
>  cfg80211: Calling CRDA to update world regulatory domain
>  cfg80211: World regulatory domain updated:
>  cfg80211:  DFS Master region: unset
>  cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
>  cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
>  cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
>  cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A)
>  cfg80211:   (5170000 KHz - 5250000 KHz @ 160000 KHz), (N/A, 2000 mBm), (N/A)
>  cfg80211:   (5250000 KHz - 5330000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
>  cfg80211:   (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
>  cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
>  cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)
>  iwlwifi 0000:03:00.0: L1 Disabled - LTR Disabled
>  iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
>  iwlwifi 0000:03:00.0: Failed to load firmware chunk!
>  iwlwifi 0000:03:00.0: Could not load the [0] uCode section
>  iwlwifi 0000:03:00.0: Failed to run INIT ucode: -110
>  iwlwifi 0000:03:00.0: Unable to initialize device.
>  iwlwifi 0000:03:00.0: L1 Disabled - LTR Disabled
>  iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
>  iwlwifi 0000:03:00.0: Failed to load firmware chunk!
>  iwlwifi 0000:03:00.0: Could not load the [0] uCode section
>  iwlwifi 0000:03:00.0: Failed to run INIT ucode: -110
>  iwlwifi 0000:03:00.0: Unable to initialize device.
>  e1000e: eth0 NIC Link is Down
>  IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
>  iwlwifi 0000:03:00.0: L1 Disabled - LTR Disabled
>  iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0
> 

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next prev parent reply	other threads:[~2015-04-23  4:47 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-22 20:42 iwlwifi getting stuck with current Linus' tree (646da63172) Jiri Kosina
2015-04-23  4:47 ` Grumbach, Emmanuel [this message]
2015-04-23  4:47   ` Grumbach, Emmanuel
2015-04-23  8:15   ` Jiri Kosina
2015-04-23  9:12     ` Grumbach, Emmanuel
2015-04-23  9:12       ` Grumbach, Emmanuel
2015-04-23  9:15       ` Jiri Kosina
2015-04-23 12:48         ` Piotr Karbowski
2015-04-23 18:10           ` Grumbach, Emmanuel
2015-04-23 18:10             ` Grumbach, Emmanuel
2015-05-03 21:42             ` Jiri Kosina
2015-05-04  4:32               ` Grumbach, Emmanuel
2015-05-04  4:32                 ` Grumbach, Emmanuel
2015-05-04  6:55                 ` Jiri Kosina
2015-05-04  7:02                   ` Grumbach, Emmanuel
2015-05-04  7:02                     ` Grumbach, Emmanuel
2015-05-07  8:54                     ` Jiri Kosina

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