[asterisk-bugs] [JIRA] (DAHLIN-314) wcb4xxp: kernel oopses when debug st state is enabled

[Gerald Schnabel (JIRA)]

     [ https://issues.asterisk.org/jira/browse/DAHLIN-314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gerald Schnabel updated DAHLIN-314:
-----------------------------------

    Attachment: messages.txt
    
> wcb4xxp: kernel oopses when debug st state is enabled
> -----------------------------------------------------
>
>                 Key: DAHLIN-314
>                 URL: https://issues.asterisk.org/jira/browse/DAHLIN-314
>             Project: DAHDI-Linux
>          Issue Type: Bug
>      Security Level: None
>          Components: wcb4xxp
>    Affects Versions: 2.6.1
>         Environment: CentOS 6.3, kernel 2.6.32-279.el6.x86_64, Digium B410P
>            Reporter: Gerald Schnabel
>            Assignee: Russ Meyerriecks
>            Severity: Minor
>         Attachments: messages.txt
>
>
> When wcb4xxp is loaded with debug st state bit set (e.g. module option debug=32) kernel oopses appear from time to time, see attached [^messages.txt].
> Changing the kmalloc() flag _GFP_KERNEL_ to _GFP_ATOMIC_ in function _hfc_decode_st_state()_ seems to make the oopses disappear.

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