On Sat, Jan 5, 2019 at 9:54 PM Ulf Volmer <u.volmer@u-v.de> wrote:
On 05.01.19 21:10, Marco Guazzone wrote:

> I'm running an up-to-date Fedora 29 x86_64 (kernel 4.19.13-300.fc29.x86_64).
>
> My ext4 file system got inconsistent twice in a week: the first time, the
> '/home' partition; the last time, both '/root' and '/home' partitions.
> I had to use a live distro to fix it with fsck.
>
> I ran several disk test utilities to check for HW errors, including:
> * HDDScan 4.0 (http://hddscan.com/): VERIFY, READ and BUTTERFLY tests
> * Diagnostics tests from Dell's BIOS
> * SMART self-test
> All these tests succeded: no problem detected.

i recommend to run memtest86+ for at least 24 hours.

> If I exclude HW errors, the only other option is a SW error (in the
> kernel?).

there is

https://bugzilla.kernel.org/show_bug.cgi?id=201685

i did not know anything about the current state.

best regards
Ulf

Dear Ulf,

Thank you very much for the hints.
For anyone interested, there is the following LWN article (pointed out by a colleague of mine) that summarizes this inconsistency issue: https://lwn.net/Articles/774440/

Best,
Marco