Control: tag -1 moreinfo upstream
Control: forwarded -1 http://thread.gmane.org/gmane.linux.ubuntu.devel.kernel.general/39123/
On Thu, 2015-04-02 at 01:01 -0700, Bill MacAllister wrote:
>
> --On Sunday, January 25, 2015 11:25:34 AM +0100 Niels Thykier <niels@thykier.net> wrote:
>
> > I have CC'ed the Debian linux maintainers as I noticed your kernel
> > reports a null pointer deference in the kernel (see below for the
> > trace). I have taken the liberty of reassigning it to the linux package
> > as well.
> > @linux maintainers: if you suspect that the null pointer issue is
> > unrelated to Bills boot problem, please clone the bug and throw the bug
> > back to upgrade-reports for further analysis.
> >
> > Bug link: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776192
> >
> > Thanks,
> > ~Niels
>
> Any news on this problem? I am still seeing this problem even though
> we have moved on to 3.16.7-ckt7-1.
>
> I had the thought to look at the kernel modules that support the
> PERC controller on these Dell systems. Explicitly specifying the
> mpt* modules and updating initramfs does not fix the problem.
>
> We have plenty of these 1950s. I really need to come up with a
> work around or a solution to this problem. Any ideas about what
> I should try next?
It looks the same as this problem:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1276705
http://thread.gmane.org/gmane.linux.ubuntu.devel.kernel.general/39123/
Can you confirm that the LSI controller (mptsas driver) takes more than
30 seconds to scan for devices at boot time when running the wheezy
(Linux 3.2) kernel?
If so then we need a change to the udev rules to increase the timeout
for this driver module. We also need to fix the driver so that it fails
cleanly if it still hits the timeout.
Ben.
--
Ben Hutchings
Power corrupts. Absolute power is kind of neat.
- John Lehman, Secretary of the US Navy 1981-1987
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