Thanks for the update Tom. I think I'll just go ahead and close this
report then. Thanks.
** Changed in: linux (Ubuntu)
Status: Confirmed => Won't Fix
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[Hardy] Heavy I/O causes other processes to starve
https://bugs.launchpad.net/bugs/205945
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Hi Leann,
Thank you for all your help with this issue. I'm sorry to say that I've
upgraded my hard-drive since I reported the bug, and I'm no longer
experiencing any problems with it. I'm now using the old hard-drive
mounted in an external enclosure, connected via USB, and this setup
doesn't show
The Ubuntu Kernel Team is planning to move to the 2.6.27 kernel for the
upcoming Intrepid Ibex 8.10 release. As a result, the kernel team would
appreciate it if you could please test this newer 2.6.27 Ubuntu kernel.
There are one of two ways you should be able to test:
1) If you are comfortable
Hi Tom,
Sorry for the inconvenience. It seems the kernel-ppa has removed the
2.6.25 images which used to be available. Currently the 2.6.26 images
are being built (but appear to be experiencing some build failures).
Hopefully this should be resolved in the next few days and you should be
able to i
Hi Leann,
I added the "kernel-ppa.list" file as you described, with the
appropriate entries in it, and then ran "sudo apt-get update". I then
ran "sudo apt-get upgrade -s", but the only thing it would offer to
upgrade was "linux-libc-dev", not "linux-image-2.6.25". I'm quite
willing to help with t
Hi Tom,
Sorry for the extremely delayed response. Thanks for all the testing
and the debugging output. I'm glad to hear there is at least a
workaround. Just to see if it makes a difference, care to test the
upcoming Intrepid Ibex 8.10 kernel which is currently being pulled
together? It was most
Thanks, Leann, the 'all_generic_ide' option fixes it for me. My HD still
shows up as /dev/sda rather than /dev/hda (which isn't a problem in
itself), but a 'cat /dev/urandom > ~/test' no longer clogs up the
system. I'm attaching the dmesg that I get after I've booted with
'all_generic_ide', in case
** Attachment added: "lspci-vvnn.log"
http://launchpadlibrarian.net/13364125/lspci-vvnn.log
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** Attachment added: "dmesg.log"
http://launchpadlibrarian.net/13364119/dmesg.log
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** Attachment added: "version.log"
http://launchpadlibrarian.net/13364108/version.log
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[Hardy] Heavy I/O causes other processes to starve
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Hi Tom,
Per the kernel team's bug policy, can you please attach the following
information. Please be sure to attach each file as a separate
attachment.
* cat /proc/version_signature > version.log
* dmesg > dmesg.log
* sudo lspci -vvnn > lspci-vvnn.log
It also might be good to wait to capture yo
Sorry, I mean a SCSI device. The HD is SATA. Under 2.6.22-14, it shows
up as /dev/hda, but on 2.6.24-12 and onwards it becomes /dev/sda.
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[Hardy] Heavy I/O causes other processes to starve
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Confirming that this problem shows up in 2.6.24-12 and onwards. I don't
get the same problem with 2.6.22-14. I'm pretty sure it's to do with
treating my HD as a SATA device.
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[Hardy] Heavy I/O causes other processes to starve
https://bugs.launchpad.net/bugs/205945
You received this bug notific
I don't get this problem if I boot with the "2.6.20-12-generic" kernel.
It could be connected with libata
(https://wiki.ubuntu.com/LibAtaForAtaDisks), as under 2.6.20-12 my SATA
hd shows up as /dev/hda rather than /dev/sda like it does under
2.6.24-15.
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[Hardy] Heavy I/O causes other processes
I think I'm correct in assigning this to "linux"...
** Changed in: linux (Ubuntu)
Sourcepackagename: None => linux
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[Hardy] Heavy I/O causes other processes to starve
https://bugs.launchpad.net/bugs/205945
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I'm now pretty sure this is a disk access thing (it gets especially bad
when I'm running a script that backs up my whole home directory with
rsync), but fiddling with the script's i/o priority with 'ionice'
doesn't really seem to help.
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[Hardy] Heavy I/O causes other processes to starve
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