[asterisk-bugs] [JIRA] (DAHLIN-340) race condition after upgrading to kernel 3.16.2

[Russ Meyerriecks (JIRA)]

    [ https://issues.asterisk.org/jira/browse/DAHLIN-340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=222695#comment-222695 ] 

Russ Meyerriecks commented on DAHLIN-340:
-----------------------------------------

Patch has been committed to master http://git.asterisk.org/gitweb/?p=dahdi/linux.git;a=commitdiff;h=b9a8000bbd1b6120f22627c105a2c2194dcc793d

> race condition after upgrading to kernel 3.16.2
> -----------------------------------------------
>
>                 Key: DAHLIN-340
>                 URL: https://issues.asterisk.org/jira/browse/DAHLIN-340
>             Project: DAHDI-Linux
>          Issue Type: Bug
>      Security Level: None
>          Components: dahdi (the module)
>    Affects Versions: 2.10.0
>         Environment: fedora 20 64-bit, wct1_xxp
>            Reporter: Thomas B. Clark
>            Assignee: Russ Meyerriecks
>            Severity: Blocker
>      Target Release: 2.10.1
>
>         Attachments: 0001-dahdi-Fix-failure-to-read-write-on-kernel-3.16.patch, dahdi-Fix-failure-to-read-write-on-kernel-3.16-v2.patch
>
>
> The dahdi modules load successfully.  However, starting Asterisk results in a race condition that writes the following error at the rate of about 1GB/minute
> [Sep 14 09:48:16] WARNING[21296] chan_dahdi.c: Read failed with -1: Invalid argument
> It brings my system to a crawl in about 30 seconds.
> Downgrading to kernel 3.15.10 resolves the issue.
> I do not see any other clues in the log.



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