George Shuklin wrote:
> I think that problem is specific to LSI drivers, not to linux-raid,
> because same tests with Adaptec (aacraid) and few onboard HBAs show
> no signs of crashing (hanged disks is just marked as 'failed' and
> all systems behave as expected).
Thanks. Very useful.
[...]
> linux-3.0 do have mpt2sas 08.100.00.02 and linux-3.2 do have 10.100.00.00
Between 3.0 and 3.2.12, the mpt2sas driver had 30 patches. That would
be an interesting test: could you try a current kernel with the
mpt2sas driver from 3.0.y? It works like this:
0. prerequisites:
apt-get install git build-essential
1. get the kernel history, if you don't already have it:
git clone \
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
2. fetch point releases:
cd linux
git remote add stable \
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
git fetch stable
3. configure, build, test:
git checkout origin/master
cp /boot/config-$(uname -r) .config; # current configuration
scripts/config --disable DEBUG_INFO
make localmodconfig; # optional: minimize configuration
make deb-pkg; # optionally with -j<num> for parallel build
dpkg -i ../<name of package>; # as root
reboot
... test test test ...
Hopefully it reproduces the bug. So
4. try the mpt2sas driver from 3.0.y:
cd linux
git checkout stable/linux-3.0.y -- drivers/scsi/mpt2sas
make deb-pkg; # maybe with -j4
dpkg -i ../<name of package>
reboot
... test ...
Jonathan
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