Thread: Spontaneous reboots come back
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marmistrz is offline marmistrz
2015-05-16 , 11:56
Posts: 3,328 | Thanked: 4,476 times | Joined on May 2011 @ Poland
#12
So,

Code:
$ sudo dd if=/dev/sdb of=/dev/null bs=1M
[sudo] password for marcin: 
dd: error reading ‘/dev/sdb’: Input/output error
101+1 records in
101+1 records out
106168320 bytes (106 MB) copied, 31,6567 s, 3,4 MB/s
marcin@marcin ~ $ sudo dd if=/dev/sdb of=/dev/null bs=4K
dd: error reading ‘/dev/sdb’: Input/output error
25936+0 records in
25936+0 records out
106233856 bytes (106 MB) copied, 18,3356 s, 5,8 MB/s
The test was done using an SD adapter & a uSD adapter (both at the same time)

Is there now any need to perform the write test?

I'm going to use my warranty now. Is such test a sufficient proof?

/edit: or maybe I should try reformatting the whole card first?
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Last edited by marmistrz; 2015-05-16 at 12:03.