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

[Michael Walton (JIRA)]

Michael Walton created DAHLIN-328:
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             Summary: 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


 * 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 /home/mwalton/work/builds/mpx-kernel/uberbuild/src/linux/2.6-ubuntu/branches/2.6-mpx/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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