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Questions tagged [io]

I/O refers to "Input/Output" generally being a synonym to Write/Read in terms of a file.

109 questions
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6 answers

print_req_error: I/0 error

Every couple of days I get these errors that lockup the server. [501.882940] print_req_error: I/O error, dev fd0, sector 0 [504.338961] print_req_error: I/O error, dev fd0, sector 0 [504.738984] print_req_error: I/O error, dev fd0, sector…
John De La Motte
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1 answer

is there a way to create graphs for IO on server

is there a tool which allows to save a simple data to a file regarding the IO usage, so that I could use them to display a graph of IO usage? I need to use it on my server, with no graphical environment so any X application is of no use here. I just…
Petr
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0 answers

Blktrace pid doesn't match real process ID

I wan't to trace I/O block device requests using blktrace command. To make a simple I/O block request I used the command below. $ sudo dd if=/dev/sda bs=1k of=/dev/null count=1 iflag=direct & [1] 17588 1+0 records out 1024 bytes (1.0 kB) copied,…
Mehrshad
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I/O error on secondary SSD

I had an I/O error on an ssd (sda) and somehow ended up thankfully backing my files up and reinstalling ubuntu on another ssd (nvme0n1), though, problem is, now with the first ssd (sda) broken i can't reset it, i tried DD to erase the first few…
popiomondayz
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Ubuntu 20.04 LTS stopped working overnight. I/O error and COMRESET failed (errno=-16)

Yesterday night, I installed Ubuntu, it was working fine that night. Today morning I opened my laptop for my class, it was working fine, but after some time my class got struck. And it opened CLI(command line interface) and in some text, it showed…
Science Worldz
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IO Port Address RJ11

I've 2 PCs running Ubuntu. The PCs are from different vendors. They have IO port interface via RJ11 connector. They are used for accessing the cash drawer. On one PC, I'm able to access the cash drawer at 0x48C. But the same does not work on the…
Narayanan krishnamurthy
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