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Re: Cannot copy files from usb source

Le 20/10/2017 à 10:47, Pétùr a écrit :
> Le 20/10/2017 à 03:32, Tom Furie a écrit :
>>> I cannot copy files from my laptop (with SSD formated in ext4) to my
>>> external HDD (formated also in ext4). I have an input/outpur error. The
>>> I can do the opposite, i.e. transfert files from my laptop to my
>>> external HDD (or other usb connected devices) with no problem.
>> Which is it?
> Sorry for the mistake: I *cannot* copy file from my HDD to my laptop and
> I *can* copy files from the laptop to my HDD. Writing on my laptop SSD
> is the problem.

For the record, I fixed this problem by adding "elevator=deadline" to
GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub.

It seems to be necessary for some old SSD. Without you cannot copy to
HDD. It tooks me almost a year to figure out this...


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