Ticket #11220 (closed task: fixed)
Probe ext4 corruption
|Reported by:||martin.langhoff||Owned by:||martin.langhoff|
|Action Needed:||never set||Verified:||no|
|Deployments affected:||Blocked By:|
We've seen Jon Nettleton hit some disk corruption repeatedly on his development/test machine. Diagnosis of the prob led us to #11210 but it is unclear whether that is the issue.
This is one of our current risks -- it is a concern because we need to know real soon whether this is a hw issue (related to the eMMC parts) or not. We have hit corruption issues with ext4 in the past (#9513) and fell back to ext3. It is not clear however that ext4 is suspect: the whole 11.2.0 dev cycle was done under ext4 and no disk corruption incidents were reported AFAIK.
Jon seemed to hit it while:
* developing, compiling, * using an ext SD card in the slot, * running a patched kernel and xorg * presumably crashing a lot
We need to consider action around this
* try to force the error -- I'll set up a test rig for this, applying unclean shutdowns on a couple of SKU198 units * keep our eyes open for disk corruption reports, specially in builds including the new gfx code * be prepared to switch back to ext3