I am having the same problem,along with few other people i know.
I have amd barton 1830Mhz,512MB memory and nforce2 board with Silicon 3112 Sata
controler chip,160gb SATA drive. I had this problem with ubuntu 9.04 and now
with a fresh install of Xubuntu 9.10
I am new to using linux,i installed fe
We are closing this bug report because it lacks the information we need
to investigate the problem, as described in the previous comments.
Please reopen it if you can give us the missing information, and don't
hesitate to submit bug reports in the future. To reopen the bug report
you can click on t
Thank you for taking the time to report this bug and helping to make
Ubuntu better. You reported this bug a while ago and there hasn't been
any activity in it recently. We were wondering if this is still an issue
for you. Can you try with the latest Ubuntu release? Thanks in advance.
** Tags added
Well, no, in my case it wasn't a bug; it was a quirk of the way CPU
usage is reported. I would suggest you have a different issue, since DMA
was working fine for me as you can see from my hdparm output above.
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100% CPU usage during disk I/O with SATA/PATA
https://bugs.launchpad.net/bugs/192353
It's not an Ubuntu bug. It's linux-kernel hdd drivers bug.
Dell Inspiron 1501. AMD Sempron 3500+, Fujitsu 80 GB HDD, SATA.
hdparm /dev/sda
/dev/sda:
IO_support= 0 (default)
16-bit)
HDIO_GET_UNMASKINTR failed: Inappropriate ioctl for device
HDIO_GET_DMA failed: Inappropriate ioctl for de
** Changed in: linux-meta (Ubuntu)
Status: Invalid => Incomplete
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100% CPU usage during disk I/O with SATA/PATA
https://bugs.launchpad.net/bugs/192353
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Marked as invalid as it's not a bug.
** Changed in: linux-meta (Ubuntu)
Status: New => Invalid
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100% CPU usage during disk I/O with SATA/PATA
https://bugs.launchpad.net/bugs/192353
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Have taken advise from the LKML and the IOWait figures are considered
normal -- they indicate the time the CPU spends idle waiting for IO.
Other processes can make use of these idle cycles, so although the CPU
appears pegged at 100% it does in fact still have available cycles.
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100% CPU usage d
Modified the bug title since this does seem to affect serial *and*
parallel ATA.
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100% CPU usage during disk I/O with SATA/PATA
https://bugs.launchpad.net/bugs/192353
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