Messages in this thread | | | Subject | Re: ext4 corruption on alpha with 4.20.0-09062-gd8372ba8ce28 | From | Meelis Roos <> | Date | Thu, 21 Feb 2019 01:23:50 +0200 |
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>> First, I found out that both the problematic alphas had memory compaction and >> page migration and bounce buffers turned on, and working alphas had them off. >> >> Next, turing off these options makes the problematic alphas work. > > OK, thanks for testing! Can you narrow down whether the problem is due to > CONFIG_BOUNCE or CONFIG_MIGRATION + CONFIG_COMPACTION? These are two > completely different things so knowing where to look will help. Thanks!
Tested both.
Just CONFIG_MIGRATION + CONFIG_COMPACTION breaks the alpha. Just CONFIG_BOUNCE has no effect in 5 tries.
-- Meelis Roos
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