Feisty is not supported anymore. Please retest this issue with a later
version of Ubuntu and reopen this report.
** Changed in: ubuntu
Status: Confirmed = Invalid
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read from cache is much slower with feisty than all previous ubuntu versions
https://bugs.launchpad.net/bugs/90531
You
Me too.
On Feisty:
/dev/sda:
Timing cached reads: 1242 MB in 2.00 seconds = 619.52 MB/sec
Timing buffered disk reads: 222 MB in 3.02 seconds = 73.45 MB/sec
I booted Gutsy tribe 4 today and got very similar numbers.
If I boot Edgy or Knoppix 5.01, cached read performance is very
close to
** Attachment added: lspci-vvnn.log
http://launchpadlibrarian.net/8928853/lspci-vvnn.log
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read from cache is much slower with feisty than all previous ubuntu versions
https://bugs.launchpad.net/bugs/90531
You received this bug notification because you are a member of Ubuntu
Bugs, which is
Re-opening given the duplicate, changing so that it's not assigned to
any package
** Changed in: Ubuntu
Sourcepackagename: linux-source-2.6.20 = None
Status: Rejected = Confirmed
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read from cache is much slower with feisty than all previous ubuntu versions
nigra's comments seem to suggest that the kernel was operating normally
for him (under edgy userspace), so likely not a kernel issue.
** Changed in: linux-source-2.6.20 (Ubuntu)
Status: Needs Info = Rejected
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read from cache is much slower with feisty than all previous ubuntu versions
Hi
The same problem for me
[EMAIL PROTECTED]:~$ sudo hdparm -tT /dev/hda
Password:
/dev/hda:
Timing cached reads: 992 MB in 2.00 seconds = 495.64 MB/sec
Timing buffered disk reads: 96 MB in 3.01 seconds = 31.85 MB/sec
[EMAIL PROTECTED]:~$ hdparm -i /dev/hda
/dev/hda: Permission denied
** Attachment added: lspci-vvnn
http://librarian.launchpad.net/6793679/lspci-vvnn
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read from cache is much slower with feisty than all previous ubuntu versions
https://launchpad.net/bugs/90531
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ubuntu-bugs mailing list
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Please ignore my last dmesg log it`s from different machine :(
Thanks
** Attachment added: dmesg.log
http://librarian.launchpad.net/6795513/dmesg.log
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read from cache is much slower with feisty than all previous ubuntu versions
https://launchpad.net/bugs/90531
--
ubuntu-bugs mailing list
Kyle,
Sorry for late answer, I am afraid I switched back to edgy few days ago, so I
cannot test with the new kernel. But I installed feisty kernel(both the generic
one and the one I compiled by customizing it) in edgy. The problem does not
occur with the same kernel in edgy, cached reads
Same problem here, let me know if you need more logs from me in addition
to what's already been posted here.
--
read from cache is much slower with feisty than all previous ubuntu versions
https://launchpad.net/bugs/90531
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ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
Can you reproduce with
http://ftp.kernel.org/pub/linux/kernel/v2.6/linux-2.6.20.2.tar.gz
upstream 2.6.20.2?
** Changed in: linux-source-2.6.20 (Ubuntu)
Status: Unconfirmed = Needs Info
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read from cache is much slower with feisty than all previous ubuntu versions
Hi,
I'm suffering the same bug on my systems. I'm providing logs from my
laptop, a Dell Inspiron 510m. Prior to Feisty, cached reads approached
1500MB/s. Using kernel version 2.6.20-9-generic, everything up-to-date.
[EMAIL PROTECTED]:~/slowcache$ uname -a
Linux inspiron 2.6.20-9-generic #2 SMP
** Attachment added: lspci -vvnn log
http://librarian.launchpad.net/6726335/lspci-vvnn.log
--
read from cache is much slower with feisty than all previous ubuntu versions
https://launchpad.net/bugs/90531
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ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
** Changed in: Ubuntu
Sourcepackagename: None = linux-source-2.6.20
--
read from cache is much slower with feisty than all previous ubuntu versions
https://launchpad.net/bugs/90531
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https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Thanks for taking the time to report this bug. Unfortunately we can't
fix it, because your description doesn't yet have enough information.
Please include the following additional information, if you have not already
done so (please pay attention to lspci's additional options), as required by
unname -a:
Linux julien-laptop 2.6.20-9-generic #2 SMP Mon Feb 26 03:01:44 UTC 2007 i686
GNU/Linux
If it is useful, the results don't change with other kernels such as
lowlatency kernel
from the universe or the kernel I've compiled from the repos.
** Attachment added: dmesg.log
** Attachment added: lspci-vvnn.log
http://librarian.launchpad.net/6687999/lspci-vvnn.log
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read from cache is much slower with feisty than all previous ubuntu versions
https://launchpad.net/bugs/90531
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ubuntu-bugs mailing list
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Thank you.
** Changed in: linux-source-2.6.20 (Ubuntu)
Assignee: Chris Rose = (unassigned)
Status: Needs Info = Unconfirmed
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read from cache is much slower with feisty than all previous ubuntu versions
https://launchpad.net/bugs/90531
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ubuntu-bugs mailing list
And here dmesg.log
Similar, along with a Desktop-PC and SATAII-Harddisk
Best regards
Frank
** Attachment added: dmesg.log
http://librarian.launchpad.net/6710289/dmesg.log
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read from cache is much slower with feisty than all previous ubuntu versions
https://launchpad.net/bugs/90531
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Here too, on a Thinkpad Z61m, Feisty Fawn Herd5, actually updated
uname -a:
Linux Newton 2.6.20-9-generic #2 SMP Mon Feb 26 03:01:44 UTC 2007 i686 GNU/Linux
** Attachment added: lspci-vvnn.log
http://librarian.launchpad.net/6710272/lspci-vvnn.log
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read from cache is much slower with
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