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Subject: Re: [gentoo-user] kernel 4.9.77 error segfault in compile.
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From: Corbin Bird <corbinbird@charter.net>
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Date: Tue, 23 Jan 2018 13:14:20 -0600
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On 01/23/2018 11:59 AM, Wol's lists wrote:
> On 23/01/18 17:35, Rich Freeman wrote:
>>> Wonderful ... just finished a complete reload of Gentoo. Now have to
>>> redo it again ...
>>> ... the mistake? I used ext2/ext3 for the fs.
>>>
>> Abandoning ext4 over retpolines/etc seems a bit drastic.  My guess is
>> that there is a bug in the latest kernel that will get fixed, or maybe
>> a bug in gcc (which needs to be patched for spectre anyway).
>
> Did you use the ext2/ext3 driver? I believe it's been abandoned?
>
> The ext4 driver is compatible with 2/3 file systems, so as I
> understand it all development effort goes into the ext4 driver, and
> any problems with the older drivers is likely to be met with "upgrade
> your driver".
>
> So if you were using that driver, it could be suffering bit-rot.
>
> Cheers,
> Wol
>
Sometime back the kernel devs decided to 'remove' the ext2 / ext3 fs
drivers.
The ext2 / ext3 fs drivers are NOT available.
Any choice of ext2 / ext3 forces the use of the ext4 fs driver.
If I could use the real ext2 / ext3 fs drivers ...
... I would in the blink of an eye.

ext2 / ext3 are the definition of 'stable' file systems.
ext4 .... unstable, still in development, prone to breakage.

Corbin