https://bugzilla.kernel.org/show_bug.cgi?id=111441
--- Comment #8 from nab <n...@linux-iscsi.org> ---
On Fri, 2016-01-29 at 17:32 -0600, Mike Christie wrote:
> On 01/29/2016 04:21 PM, Serguei Bezverkhi (sbezverk) wrote:
> > HI Mike,
> >
> > I tried your patch and it is has eliminated first traceback but I still do
> > not see my remote targets.
> >
>
> That is sort of expected. Your target is not setup for ALUA properly. It
> says it supports ALUA, but when scsi_dh_alua asks about the ports it is
> reporting there are none. Ccing the people that made the patch that
> added the issue and own the code.
>
> Hey Christoph and Hannes,
>
> The dh/alua changes that added this:
>
> error = scsi_dh_add_device(sdev);
> if (error) {
> sdev_printk(KERN_INFO, sdev,
> "failed to add device handler: %d\n",
> error);
> return error;
> }
>
> to scsi_sysfs_add_sdev are adding a regression.
>
> 1. If that fails, then we forget to do device_del before doing the
> return. My patch in this thread added that back, so we do not see the
> sysfs oopses anymore. But.....
>
> 2. It looks like in older kernels, we would allow misconfigured targets
> like this one to still setup devices. Do we want that old behavior back?
> Should we just ignore the return value from scsi_dh_add_device above?
> Note that in this case, it is LIO so it can be easily fixed on the
> target side by just setting it up properly. I do not think other targets
> would hit this type of issue.
>
Btw, what does misconfigured mean here wrt target ALUA..?
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