Bug 746802

Summary:	[abrt] WARNING: at drivers/net/wireless/iwlegacy/iwl-3945-rs.c:826 iwl3945_rs_get_rate+0x78e/0x824 [iwl3945]()
Product:	[Fedora] Fedora	Reporter:	Sean <naeslas>
Component:	kernel	Assignee:	Stanislaw Gruszka <sgruszka>
Status:	CLOSED INSUFFICIENT_DATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	15	CC:	gansalmon, itamar, jonathan, kernel-maint, linville, madhu.chinakonda
Target Milestone:	---
Target Release:	---
Hardware:	i686
OS:	Unspecified
Whiteboard:	abrt_hash:2db22e7e4b367adb8de2837613995ff9dcacaaef
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2012-01-10 17:36:12 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:

Description Sean 2011-10-17 19:56:02 UTC

abrt version: 2.0.3
architecture:   i686
cmdline:        ro root=/dev/mapper/vg_naestop-lv_root rd_LUKS_UUID=luks-06fcdc88-c84f-4160-bdf2-d82303b2db0f rd_LVM_LV=vg_naestop/lv_root rd_LVM_LV=vg_naestop/lv_swap rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us quiet
component:      kernel
kernel:         2.6.40.6-0.fc15.i686.PAE
kernel_tainted: 512
kernel_tainted_long: Taint on warning.
os_release:     Fedora release 15 (Lovelock)
package:        kernel
reason:         WARNING: at drivers/net/wireless/iwlegacy/iwl-3945-rs.c:826 iwl3945_rs_get_rate+0x78e/0x824 [iwl3945]()
time:           Mon Oct 17 13:53:54 2011

backtrace:
:WARNING: at drivers/net/wireless/iwlegacy/iwl-3945-rs.c:826 iwl3945_rs_get_rate+0x78e/0x824 [iwl3945]()
:Hardware name: TransPort T2400
:Modules linked in: ppdev parport_pc lp parport fuse sunrpc cpufreq_ondemand acpi_cpufreq mperf rfcomm bnep r592 snd_hda_codec_si3054 snd_hda_codec_analog i2c_i801 serio_raw microcode snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm memstick joydev btusb tpm_infineon iTCO_wdt iTCO_vendor_support r852 sm_common nand nand_ids nand_ecc mtd arc4 iwl3945 iwl_legacy mac80211 cfg80211 bluetooth e1000e rfkill snd_timer snd soundcore snd_page_alloc ipv6 xts gf128mul dm_crypt firewire_ohci firewire_core crc_itu_t yenta_socket sdhci_pci sdhci mmc_core video radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan]
:Pid: 36, comm: kworker/u:1 Not tainted 2.6.40.6-0.fc15.i686.PAE #1
:Call Trace:
: [<c07f548c>] ? printk+0x2d/0x2f
: [<c04436c5>] warn_slowpath_common+0x7c/0x91
: [<f90c6af7>] ? iwl3945_rs_get_rate+0x78e/0x824 [iwl3945]
: [<f90c6af7>] ? iwl3945_rs_get_rate+0x78e/0x824 [iwl3945]
: [<c04436fc>] warn_slowpath_null+0x22/0x24
: [<f90c6af7>] iwl3945_rs_get_rate+0x78e/0x824 [iwl3945]
: [<f90c6459>] ? iwl3945_rs_get_rate+0xf0/0x824 [iwl3945]
: [<c046d944>] ? arch_local_irq_save+0x12/0x17
: [<c040d408>] ? nommu_map_page+0x5d/0x71
: [<f90263b1>] rate_control_get_rate+0x98/0x162 [mac80211]
: [<c046d944>] ? arch_local_irq_save+0x12/0x17
: [<f902db26>] invoke_tx_handlers+0x714/0xcb9 [mac80211]
: [<c046d944>] ? arch_local_irq_save+0x12/0x17
: [<f902c842>] ? ieee80211_tx_prepare+0x301/0x33c [mac80211]
: [<f902e120>] ieee80211_tx+0x55/0x7e [mac80211]
: [<c075b62f>] ? alloc_skb+0x17/0x19
: [<f902e295>] ieee80211_xmit+0x14c/0x154 [mac80211]
: [<c075b62f>] ? alloc_skb+0x17/0x19
: [<f902eb9e>] ieee80211_tx_skb+0x49/0x53 [mac80211]
: [<f9020763>] ieee80211_send_nullfunc+0x3c/0x40 [mac80211]
: [<f901cfd9>] ieee80211_offchannel_return+0x7c/0x171 [mac80211]
: [<f9030f76>] ? ieee80211_send_probe_req+0x36/0x3c [mac80211]
: [<f9023ecb>] ieee80211_work_work+0xdd9/0xe81 [mac80211]
: [<c0457db9>] process_one_work+0x122/0x22f
: [<f90230f2>] ? free_work+0x17/0x17 [mac80211]
: [<c0458848>] worker_thread+0xb9/0x133
: [<c045878f>] ? manage_workers+0x154/0x154
: [<c045b4f4>] kthread+0x67/0x6c
: [<c045b48d>] ? kthread_worker_fn+0x11d/0x11d
: [<c080303e>] kernel_thread_helper+0x6/0x10

comment:
:Not sure.  Turned the computer on, crash detected. 
:
:Wireless is connected to a WPA/WPA2, EAP-PEAP, MSCHAPV2 network.

Comment 1 Stanislaw Gruszka 2011-12-16 09:19:51 UTC

I think this problem is caused by bugs in channel switching code in mac80211, already fixed in kernel-2.6.41.5-1.fc15 . Can you reproduce the problem with that or newer kernel ?