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0
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1answer
51 views

Crash, followed by I/0 error

I'm looking for help diagnosing an issue I'm having with Ubuntu 14.04 64bit. I'm a relative newbie to all this, so I'm not really sure where to start. Basically what happens is this: computer ...
0
votes
0answers
44 views

EXT4 - jbd2/dm-1-8 - lazy initialization

I am running an operation that requires a lot of disk IO. It was going extremely quickly on my 500GB SSD until jbd2/dm-1-8 appeared in my iotop and is now permanently at 95-99%. From reading online, ...
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0answers
44 views

Disk monitor software

Can't find something similar to windows resource monitor software (input output monitor). I need tool which draws disk load graphic and processes which uses disk input or output. There are a lot of ...
0
votes
1answer
41 views

How To write to Sub-D I/O using bash

I want to control(write and read) the sub-d parallel Pins (usually used for interfacing a printer) using bash-scripts. I know, that I could use pySerial or c, but I don't like them;). I want to use ...
5
votes
1answer
497 views

sh: echo: I/O error on pm-suspend Ubuntu 14.04

I just installed Ubuntu 14.04 on my Fujitsu Lifebook U772 after a long hiatus with Opensuse and after the install, it appears that pm-suspend works out of the box. A few days of setting up later, ...
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0answers
119 views

Ubuntu Server 12.04 Stopped Reading USB Sticks with I/O errors

I have an essential installation of ubuntu 12.04 server that, after some days of working perfectly, stopped reading correctly any USB sticks (with regular FAT32 FS). Dmesg reports I/O errors on sdb ...
2
votes
1answer
343 views

14.04 System hangs and IO errors

To my surprise, after todays fresh Ubuntu 14.04 install (fully updated as of today) I'm getting various problems like random hangs and I/O errors when copying/moving files (moving backup from HDD to ...
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vote
0answers
33 views

Something is using my external drive. How do I find out what?

Whenever I attach my external LUKS drive to my laptop, the drive head starts rattling like crazy, as if I am copying the entire thing. Every now and then it pauses. I've seen some tools like iostat ...
0
votes
0answers
367 views

100% I/O usage due to jbd2

I have 14.04 Beta 2 64-bit and Intel i7 Processor with 2.2Ghz clock, 4 GB RAM and 500 GB Harddrive. After using Ubuntu for some time, everything goes so slow and I cannot even move my USB mouse ...
1
vote
0answers
192 views

iotop shows 99.8% IO load on “--render” and “--extension” and “dropbox \fataldb” processes

folks. System works more or less fine, but stucks from time to time. I've tried to detect using iotop it and it seems that disk io is the bottleneck. chrome and jbd2 keep writing to disk all the ...
4
votes
3answers
1k views

How can System Monitor display disk io?

I can't imagine this is not possible.... but I can't figure out where to enable it. can't system monitor (gnome-system-monitor) display disk io?
0
votes
0answers
705 views

Ubuntu 13.XX unable to mount USB HDD. Tried everything. I/O error boot sector/file system

I know that there are many posts related but none of them helped me. I will jump to the last test because it is the one that should work, but it does not. An external HDD with single partition slow ...
1
vote
1answer
156 views

Too much disk read/write when launching an application

I have Xubuntu 13.04 on an old Dell Inspiron with 1 GB RAM and about 2 GB swap. Each time I launch an application (e.g. Thunar or Evince) it takes a pretty long time to be launched and I see a lot ...
3
votes
1answer
1k views

jbd2 constantly writing to disk [closed]

I know there are related issues, but none of them seem to apply to my case. Below is iotop output. jbd2 is constantly above 90% usage. It's been grinding away for 2 days. It stops for a while after a ...
0
votes
2answers
1k views

I/O error while reading a certain VCDs that plays well in windows in the same system

This is an annoying problem in Ubuntu 12.04/12.10/13.04 that I can't play a certain VCDs. This is not a missing codec or encrypted content issue - It raises an I/O error. Well, I suspected the VCD ...
1
vote
1answer
99 views

How can I find what process is trying to write to a CD that's offline?

I've got a Virtual CD which can mount remote media via IPMI. After doing an install of Ubuntu 12.10 I'm getting this error every 2 sec in the syslog and on the console: [628.890722] sr 6:0:0:0: ...
4
votes
1answer
275 views

Show files being accessed most in a short time period

So I've got a server that's struggling under the weight of several Wordpress installs. Things are relatively well cached (I am planning to improve things anyway) but I can quickly see that disk IO is ...
2
votes
3answers
411 views

Format partition to what block size for photos only

I have a lot of photos and am working on them extensively, mainly going quickly through them back and forth via a Photo Browser and also doing some work via scripts. Would that make sense to format ...
2
votes
1answer
232 views

How to prevent system blocking due to some I/O activities?

Sometimes my system (Ubuntu 10.04 .. 12.04) becomes almost unresponsive due to some I/O activities. For example, this happens when some RAM content is being moved to swap on resume from suspend mode. ...
2
votes
1answer
94 views

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 ...
1
vote
0answers
75 views

How to limit unattended-upgrades swap io usage

I have a daily spike in swap IO usage at the same that unattended-upgrades runs. Besides that time of day, swap IO is rarely used. I recently tried to uncomment these settings: ...
0
votes
3answers
517 views

Disk operations consuming all memory - Ubuntu 12.10 i386

I'm having a strange problem with a new clean install of Ubuntu 12.10, any disk operations I do, like restoring a backup eats all my 8gb of ram, and it doesn't seen to release the memory, so I'm using ...
7
votes
5answers
2k views

What is causing Unity to be slow on startup?

A few days ago I noticed that after I login in, the top panel and the dash took a bit more time to load and I noticed more disc activity than usual. I thought that it might have been caused by some ...