Re: [PATCH] dm mirror: fix crash caused by NULL-pointer dereference

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Dne 26.6.2017 v 12:55 Eric Ren napsal(a):
Hi Zdenek,


On 06/26/2017 05:46 PM, Zdenek Kabelac wrote:
Dne 26.6.2017 v 11:08 Eric Ren napsal(a):

[... snip...]

Hi

Which kernel version is this ?

I'd thought we've already fixed this BZ for old mirrors:
https://bugzilla.redhat.com/show_bug.cgi?id=1382382

There similar BZ for md-raid based mirrors (--type raid1)
https://bugzilla.redhat.com/show_bug.cgi?id=1416099
My base kernel version is 4.4.68, but with this 2 latest fixes applied:

"""
Revert "dm mirror: use all available legs on multiple failures"

Ohh  - I've -rc6 - while this  'revert' patch went to 4.12-rc7.

I'm now starting to wonder why?

It's been a real fix for a real issue - and 'revert' message states
there is no such problem ??

I'm confused....

Mike  - have you tried the sequence from BZ  ?

Zdenek

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