[asterisk-bugs] [JIRA] (DAHLIN-328) dahdi_dynamic kernel warning then crash due to driver flush in interrupt context

[Michael Walton (JIRA)]

     [ https://issues.asterisk.org/jira/browse/DAHLIN-328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Walton updated DAHLIN-328:
----------------------------------

    Description: 
Steps to reproduce
 * Build dahdi-linux, in my case:
{{make ARCH=i386 KVERS=2.6.38-13-generic-pae}}
 * Set up a dynamic_eth span (e.g. dynamic = eth,eth1/00:50:c2:97:93:a1/3,16,4)
 * Start dahdi driver, kernel WARN below:

{{WARNING: at .../kernel/softirq.c:159 local_bh_enable+0x60/0x90()}}

 * After some time (seconds to minutes), on my system, I get a kernel freeze with no additional messages

  was:
 * Build dahdi-linux
 * Set up a dynamic_eth span (e.g. dynamic = eth,eth1/00:50:c2:97:93:a1/3,16,4)
 * Start dahdi driver, kernel WARN below:

{{WARNING: at .../kernel/softirq.c:159 local_bh_enable+0x60/0x90()}}

 * After some time (seconds to minutes), on my system, I get a kernel freeze with no additional messages

    
> dahdi_dynamic kernel warning then crash due to driver flush in interrupt context
> --------------------------------------------------------------------------------
>
>                 Key: DAHLIN-328
>                 URL: https://issues.asterisk.org/jira/browse/DAHLIN-328
>             Project: DAHDI-Linux
>          Issue Type: Bug
>      Security Level: None
>          Components: dahdi_dynamic, dahdi_dynamic_eth
>    Affects Versions: 2.7.0
>         Environment: Ubuntu 10.04 with natty backport kernel 2.6.38-13
>            Reporter: Michael Walton
>            Assignee: Russ Meyerriecks
>            Severity: Critical
>
> Steps to reproduce
>  * Build dahdi-linux, in my case:
> {{make ARCH=i386 KVERS=2.6.38-13-generic-pae}}
>  * Set up a dynamic_eth span (e.g. dynamic = eth,eth1/00:50:c2:97:93:a1/3,16,4)
>  * Start dahdi driver, kernel WARN below:
> {{WARNING: at .../kernel/softirq.c:159 local_bh_enable+0x60/0x90()}}
>  * After some time (seconds to minutes), on my system, I get a kernel freeze with no additional messages

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