Does the ekeyd daemon start the ekey-ulusbd daemon?

[Garey Mills]

Paul -

     To flog a dead horse, so I'll need the ekeyd and lua-socket 
packages only?

Garey

On 9/17/2012 8:28 AM, Paul Martin wrote:
> On Mon, Sep 17, 2012 at 08:14:52AM -0700, Garey Mills wrote:
>
>>      I have a couple of questions. First, what is the most recent
>> update of RHEL5?
> The problem with the cdc-acm module existed in the Linus 2.6.18
> kernel, but RedHat have backported the fix to their own version.
>
> What would happen is that the whole system could lock solid and become
> unresponsive, or sometimes that would result in a kernel panic.
> RedHat has backported the fix to their own kernel.
>
> Their kernel changelogs suggest that to be the case for 2.6.18-308.1.1
> and later:
>
> http://rhn.redhat.com/errata/RHBA-2012-0361.html
>
> "The Abstract Control Model (ACM) driver uses spinlocks to protect the
> lists of USB Request Blocks (URBs) and read buffers maintained by the
> driver. Previously, when a USB device used the ACM interface, a race
> condition between scheduled ACM tasklets could occur. Consequently,
> the system could enter a deadlock situation because tasklets could
> take spinlocks without disabling interrupt requests (IRQs). This
> situation resulted in various types of soft lockups ending up with a
> kernel panic. This update fixes the problem so that IRQs are disabled
> when a spinlock is taken. Deadlocks no longer occur and the kernel no
> longer crashes in this scenario. (BZ#790778)"
>
> The latest kernel is described and can be downloaded from here:
>
> https://rhn.redhat.com/errata/RHSA-2012-1174.html
>
> If you are not getting automatic updates from Red Hat, you are very
> likely going to be suffering from unpatched system vulnerabilities.
>
>
>>      Third, if the ekey-lusbd does come up automatically, will it
>> still come up in the most recent update of RHEL5? And if so, do I
>> have to uninstall the package to stop it?
> You are correct on both counts.
>

-- 
Garey Mills
Library Systems Office
UC Berkeley