Re: rtl8192se hanging completely

Hi all,

(please cc)

I have now changed my home router and with the new one it
is working without problems at home, and with a few
hickups at work, too.

But still, at work after some time the connection breaks.
I found the following interesting messages in the log:
   dmar: DRHD: handling fault status reg 3
   dmar: DMAR:[DMA Read] Request device [03:00.0] fault addr fff73000 
   DMAR:[fault reason 06] PTE Read access is not set
around the time the connection hangs and never comes back.

The mentioned device 03:00.0 is the wlan adapter:
$ lspci -v -s 03:00.0
03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller (rev 10)
	Subsystem: Realtek Semiconductor Co., Ltd. Device e020
	Flags: bus master, fast devsel, latency 0, IRQ 17
	I/O ports at 2000 [size=256]
	Memory at f0500000 (32-bit, non-prefetchable) [size=16K]
	Capabilities: [40] Power Management version 3
	Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
	Capabilities: [70] Express Legacy Endpoint, MSI 00
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Virtual Channel
	Capabilities: [160] Device Serial Number 88-55-22-fe-ff-4c-e0-00
	Kernel driver in use: rtl8192se
$

That is with latest git kernel from yesterday.

Any suggestions would be appreciated.

On Wed, 22 Aug 2012, Norbert Preining wrote:

Dear all,

(please cc)

I am having serious troubles with my rtl8192se card:

kernel: 3.6.0-rc2+, compiled from git today, same with rc1
rtl8192se in kernel driver, loaded with debug=3
Debian sid
Lenovo Thinkpad Edge

When starting from cold boot, the driver associates, but no packet
whatsoever leaves the computer it seems, pinging the gateway
does not return anything, and ns lookups are not working.

In the logs I see many instances of:
rtlwifi:rtl_tx_agg_start():<0-0> on ra = 00:0a:79:eb:56:10 tid = 6 seq:39
rtlwifi:rtl_action_proc():<200-1> Tx ACT_ADDBAREQ From :88:9f:fa:f9:07:28
rtlwifi:rtl_tx_agg_stop():<0-0> on ra = 00:0a:79:eb:56:10 tid = 6
rtlwifi:rtl_action_proc():<400-1> ACT_ADDBADEL From :88:9f:fa:f9:07:28
rtlwifi:rtl_action_proc():<10000-1> Rx ACT_ADDBARSP From :00:0a:79:eb:56:10
in various orders.


trying to remove the module gave me:
[  649.459652] wlan0: deauthenticating from 00:0a:79:eb:56:10 by local choice (reason=3)
[  649.459701] rtlwifi:rtl_tx_agg_stop():<0-0> on ra = 00:0a:79:eb:56:10 tid = 0
[  659.094654] rtlwifi:rtl_op_set_key():<0-0> Disabling hardware based encryption for keyidx: 0, mac: 00:0a:79:eb:56:10
[  659.094659] rtlwifi:rtl_op_set_key():<0-0> alg:CCMP
[  659.094663] rtlwifi:rtl_op_set_key():<0-0> set enable_hw_sec, key_type:4(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)
[  659.094667] rtlwifi:rtl_op_set_key():<0-0> disable key delete one entry
[  659.094670] rtlwifi:rtl_cam_delete_one_entry():<0-0> key_idx:0
[  659.094673] rtlwifi:rtl_cam_delete_one_entry():<0-0> rtl_cam_delete_one_entry(): WRITE A4: 0
[  659.094676] rtlwifi:rtl_cam_delete_one_entry():<0-0> rtl_cam_delete_one_entry(): WRITE A0: 80010000
[  659.094719] rtlwifi:rtl_op_sta_remove():<0-0> Remove sta addr is 00:0a:79:eb:56:10
[  659.142712] rtlwifi:rtl_op_bss_info_changed():<0-0> BSS_CHANGED_UN_ASSOC
[  659.142725] rtlwifi:rtl_op_bss_info_changed():<0-0> 00:00:00:00:00:00
[  659.190740] rtlwifi:rtl_op_set_key():<0-0> Disabling hardware based encryption for keyidx: 1, mac: ff:ff:ff:ff:ff:ff
[  659.190744] rtlwifi:rtl_op_set_key():<0-0> alg:TKIP
[  659.190747] rtlwifi:rtl_op_set_key():<0-0> set enable_hw_sec, key_type:2(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)
[  659.190750] rtlwifi:rtl_op_set_key():<0-0> disable key delete one entry
[  659.190753] rtlwifi:rtl_cam_delete_one_entry():<0-0> key_idx:1
[  659.190756] rtlwifi:rtl_cam_delete_one_entry():<0-0> rtl_cam_delete_one_entry(): WRITE A4: 0
[  659.190759] rtlwifi:rtl_cam_delete_one_entry():<0-0> rtl_cam_delete_one_entry(): WRITE A0: 80010008


After that I reloaded the module and then it is getting worse:
rtl8192se 0000:03:00.0: Refused to change power state, currently in D3
rtl8192se:_rtl92se_read_adapter_info():<0-0> RTL819X Not boot from eeprom, check it !!
tl8192se: FW Power Save off (module option)
rtl8192se: Driver for Realtek RTL8192SE/RTL8191SE
Loading firmware rtlwifi/rtl8192sefw.bin
...
rtl8192se:_rtl92se_macconfig_after_fwdownload():<0-0> OK
rtl8192se:rtl92s_phy_bb_config():<0-0> RF_Type(0) does not match RF_Num(4)!!
rtl8192se:rtl92s_phy_bb_config():<0-0> path1 0xf, path2 0xf, pathmap 0xf
rtlwifi:rtl_pci_start():<0-0> OK
rtl8192se:rtl92s_phy_chk_fwcmd_iodone():<0-0> Set FW Cmd fail!!
rtl8192se:rtl92s_phy_chk_fwcmd_iodone():<0-0> Set FW Cmd fail!!
rtl8192se:rtl92s_phy_set_rf_power_state():<0-0> IPS Set eRf nic disable

rtl8192se:rtl92s_phy_set_rf_power_state():<0-1> IPS Set eRf nic enable
rtl8192se:_rtl92se_macconfig_after_fwdownload():<0-1> OK

...
rtl8192se:rtl92s_phy_chk_fwcmd_iodone():<0-0> Set FW Cmd fail!!
rtlwifi:rtl_pci_tx():<200-1> No more TX desc@6, ring->idx = 0, idx = 0, skb_queue_len = 0x0

etc etc.

That is the end, no connection at all, and no way (AFAIS) to get
it back.

Are there any suggestions, patches, ideas to fix and track that down?

Best wishes

Norbert

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Norbert Preining                preining@{jaist.ac.jp, logic.at, debian.org}
JAIST, Japan                                   TeX Live and Debian Developer
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