Re: trim not working and irreparable errors from btrfsck

[Christian <cdysthe@gmail.com>]

On 06/17/2015 11:28 AM, Chris Murphy wrote:

>>
>> However, fstrim still gives me "0 B (0 bytes) trimmed, so that may be
>> another problem. Is there a way to check if trim works?
>
> That sounds like maybe your SSD is blacklisted for trim, is all I can
> think of. So trim shouldn't be the cause of the problem if it's being
> blacklisted. The recent problems appear to be around newer SSDs that
> support queue trim and newer kernels that issue queued trim. There
> have been some patches related to trim to the kernel, but the
> existence of blacklisting and claims of bugs in firmware make it
> difficult to test and isolate.
>
> http://techreport.com/news/28473/some-samsung-ssds-may-suffer-from-a-buggy-trim-implementation
>
This is an Intel SSD in a Lenovo Thinkpad X1 Carbon. Trim worked until a 
few weeks ago and still works for my small ext4 boot partition (just ran 
it to check). I will keep looking for a solution. Thanks!

-- 
//Christian