Re: is my filesystem damaged?

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Chris Murphy wrote:

> On Mon, Dec 11, 2017 at 12:11 PM, Neal Becker <ndbecker2@xxxxxxxxx> wrote:
>> Chris Murphy wrote:
>>
>>> No Btrfs messages, I think it's unrelated. Seems like a permissions
>>> problem.
>>>
>>> ls -la /home
>>> la -la ~/
>>>
>>> And repeat with -Z
>>>
>>>
>>> Chris Murphy
>> ls -la ~/
>> ls: cannot access '/home/nbecker/.bash_history': No such file or
>> directory ls: cannot access '/home/nbecker/.bash_history': No such file
>> or directory ls: cannot access '/home/nbecker/.bash_history': No such
>> file or directory ls: cannot access '/home/nbecker/.bash_history': No
>> such file or directory ls: cannot access '/home/nbecker/.bash_history':
>> No such file or directory ls: cannot access
>> '/home/nbecker/.bash_history': No such file or directory total 11532
>> drwxr-xr-x. 1 nbecker nbecker     5808 Dec 11 13:22  .
>> drwxr-xr-x. 1 root    root          48 Aug  2 19:32  ..
>>
>> ...
>>
>> -?????????? ? ?       ?              ?            ?  .bash_history
>> -?????????? ? ?       ?              ?            ?  .bash_history
>> -?????????? ? ?       ?              ?            ?  .bash_history
>> -?????????? ? ?       ?              ?            ?  .bash_history
>> -?????????? ? ?       ?              ?            ?  .bash_history
>> -?????????? ? ?       ?              ?            ?  .bash_history
>> -rw-r--r--. 1 nbecker nbecker       18 Oct  8  2014  .bash_logout
>> ...
>>
>> Are you sure?  Doesn't look like a permission problem to me.
> 
> I'm not sure, that's why I asked for ls -Z as well for both /home and
> for ~/ which are different things. But you're right, something's off.
> 
> Was there a recent kernel update applied? Are you using bcache? There
> is a block layer bug in 4.14.0 and 4.14.1, fixed in 4.14.2 that can
> cause a lot of file system damage when bcache is used.
> 
> Somewhere I saw this ???? filename thing come up, somewhat recently,
> but I can't find it so far.
It's not only the ????, it's this:

sudo ls -lZd /home/nbecker/.bash_history
ls: cannot access '/home/nbecker/.bash_history': No such file or directory

That makes me think this can't be a permission issue, but filesystem damage.  
It persists across reboots also.


I'm not using bcache AFAIK, would that show up in mount options?

/dev/sda3 on /home type btrfs 
(rw,relatime,seclabel,ssd,space_cache,subvolid=318,subvol=/home)

rpm -q kernel
kernel-4.13.16-300.fc27.x86_64
kernel-4.13.16-302.fc27.x86_64
kernel-4.14.3-300.fc27.x86_64

I'm almost sure I saw this first running 4.13.16-302, and it persisted after 
reboot to 4.14.3-300.  I'm only running standard fc27 kernels, nothing 
homemade.
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