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en:users:drivers:iwlwifi:debugging

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en:users:drivers:iwlwifi:debugging [2020/09/18 07:39]
Johannes Berg [How to report?]
en:users:drivers:iwlwifi:debugging [2021/01/21 07:32] (current)
Golan Ben Ami [Firmware Debugging]
Line 76: Line 76:
 Getting data from the firmware can often provide a lot of information,​ especially when the traffic is being stalled, latency is high, queues are stuck etc.. Here is how to do so. This is working starting kernel 3.19. Getting data from the firmware can often provide a lot of information,​ especially when the traffic is being stalled, latency is high, queues are stuck etc.. Here is how to do so. This is working starting kernel 3.19.
  
-First you'll need to allow DEV_COREDUMP by setting CONFIG_ALLOW_DEV_COREDUMP to Y.+First you need to add the debug configuration. Open the debug file: 
 +<​code>​ /​lib/​firmware/​iwl-dbg-cfg.ini </​code>​ 
 +And add this text: 
 +<​code>​ 
 +[IWL DEBUG CONFIG DATA] 
 +FW_DBG_PRESET=1 
 +</​code>​ 
 + 
 +Then, you'll need to allow DEV_COREDUMP by setting CONFIG_ALLOW_DEV_COREDUMP to Y.
 Then, you'll need to create a core dump. This can be done by: Then, you'll need to create a core dump. This can be done by:
  
en/users/drivers/iwlwifi/debugging.txt · Last modified: 2021/01/21 07:32 by Golan Ben Ami