@kurt: I just forgot to change the status, thanks for pointing it out.
I've already corresponded with upstream kernel devs about the C-state
issues, who agreed that it looks like a BIOS problem, so I don't see any
benefit to filing a bug upstream.
@curtis: I suspect that workaround really just mas
a user on the ubuntuforum found a workaround that eliminated the long boot
time. the suggestion was to turn sata compatibility off. it seems to work.
http://ubuntuforums.org/showthread.php?t=1497461&highlight=toshiba+nb305
i have not tested the suggestion on how to make suspend and hibernate
wor
Seth, so what can we do with this bug report, should it be set to wont
fix, since we are unable to fix the issue as it is a manufacturer issue
or should it be upstreamed to the kernel bug tracker?
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I've been poking at this machine quite a bit over the past few weeks.
I'll lay out what I know about this issue, which isn't a complete
explanation.
There are various command-line parameters that seem to 'fix' this issue
along with the overall performance problems seen with this machine. What
all
can you guys look at this
http://ubuntuforums.org/showthread.php?t=1382481&page=22
Cheers
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https://bugs.launchpad.net/bugs/601986
Title:
Disk driver problems on Toshiba NB305Netbook
--
Jim: I'm doing pretty well with nohz=off nohpet highres=off.
hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 1554 MB in 2.00 seconds = 777.62 MB/sec
Timing buffered disk reads: 570 MB in 3.01 seconds = 189.63 MB/sec
Suspend to RAM works properly, but suspend to disk does not, but that's
Three weeks after upgrading to Ubuntu Maverick (10.10,
2.6.35-22-generic) I still can't find a configuration where the Toshiba
NB305 Netbook will boot and run reliably with either the "compatibility"
or "AHCI" disk setting in the BIOS.
I have resorted to booting the machine on the 2.6.32-26-generi
OK. OK. It seems I spoke too soon. Using "Compaitibility" mode, resume
from hibernate doesn't really work without any intervention. To get it
to restart you have to wait until the disk image is reloaded and the
screen goes black and then tap the left shift key a few times just
like before.
I really do think that the problem is with the AHCI driver in Ubuntu. I
presume that using "compatibility" mode, drops one back to IDE driver
mode and I see (ps -=ef) that ata_sff and ata_aux are loaded and
running. I see mention of ata_piix in dmesg but not as a loaded process
after the machine
I tried clocksource=acpi_pm and clocksource=hpet and both failed to get
the machine to boot.
I changed the disk parameter "acpi" to "compatibility" in the BIOS and
the machine boots fine, and will also hibernate and resume from
hibernate. Not only that, but "hdparm -t /dev/sda5" gives me 70 MB/se
If I boot maverick with or without bootchart installed the system hangs
on booting. I did not wait forever but after a minute tapped the left
shift key twice at a 10 second interval. The system gave the message
"Gave up waiting for root device", a couple of other lines and then
dropped to the ini
I did try nohpet and saw no effect. nohz=off does work though, no key
presses required. I haven't done much with hibernate or suspend.
intel_idle.max_cstate=0 resulted in the same "Gave up waiting for root
device" error I had posted above. Now that you're on Maverick, Jim,
have you seen that err
Try adding intel_idle.max_cstate=0 to your kernel command-line. This
has gotten me back to a situation that is mostly equivalent to Lucid (I
have to hold down the shift key when booting into X too, or else unity
never starts up (i have to kill Xorg and try again).
--
Disk driver problems on Tosh
Bad news. I upgraded the Toshiba NB305 to Maverick (2.6.35-22-generic,
10.10). I tried booting with nohpet on the kernel boot line and it hung
during boot. This is contrary to what I observed with Lucid as
described above. Tapping the left SHIFT key does cause the boot to
resume though. So tha
Inspired by the timer discussion, I revisited hpet. I tried hpet=force and
clocksource=hpet. Both failed. So I tried nohpet again. This gives about a
30 second boot. Not as fast as when bootchart is installed, but not bad. If
one puts nohpet in /etc/default/grub in line
GRUB_CMDLINE_LINUX=
Interesting. Let's see if I have this straight? The current kernels
are using dynamic ticks. nohz=off turns off dynamic ticks so we get
regular ticks as in the old OSs and the scheduler will regularly get
asked to check to see what jobs should be run and prevent one process
from hogging the CPUs
Thanks for the reply and I'm glad it's not just me. I usually just
figure I'm going crazy when things like pressing keys and moving the
mouse seem to make a difference in speed. :]
I think the most direct clue is the effect of the nohz kernel option
which I think controls the dynticks feature:
Very interesting observations Kyle.
First of all, I used a bootable USB memory stick (8 Gigs) with the Ubuntu
installation disk image on it to install Ubuntu. Since then, I update using
the internet. I am unsure about how this would differ from using a USB to IDE
adapter to install.
The inter
Although I have not explored every aspect that Jim has described I
believe I may be observing the same (or a related) issue, albeit in
Kubuntu Meerkat RC. My NB305 has been slow while installing, booting,
running, and shutting down. The interesting part? For the first time I
think that my impati
** Changed in: linux (Ubuntu)
Status: Expired => Confirmed
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Disk driver problems on Toshiba NB305Netbook
https://bugs.launchpad.net/bugs/601986
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ubuntu-
This bug report was marked as Incomplete and has not had any updated
comments for quite some time. As a result this bug is being closed.
Please reopen if this is still an issue in the current Ubuntu
development release http://cdimage.ubuntu.com/daily-live/current/ .
Also, please be sure to provide
Problem the same on kernel linux-
image-2.6.35-020635rc6-generic_2.6.35-020635rc6_i386.deb from
http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.35-rc6-maverick/.
The disk driver problem seems to be limited to the Toshiba NB305 with
the Intel Atom N450 dual core processor. The disk is slow unti
checked off "needs-upstream-testing"
** Tags removed: needs-upstream-testing
--
Disk driver problems on Toshiba NB305Netbook
https://bugs.launchpad.net/bugs/601986
You received this bug notification because you are a member of Ubuntu
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At the time that I filed the bug report I tried all of the upstream kernels as
well as the development kernel
linux-image-2.6.35-020635rc3-generic_2.6.35-020635rc3_i386.deb
The problem was the same on all kernels tried.
When I get a moment I will try the most recent maverick kernel again.
Note t
apport information
** Tags added: apport-collected
** Description changed:
Running
Description: Ubuntu 10.04 LTS
Release: 10.04
Linux jim-nb 2.6.32-24-generic #38~pre201007021000-Ubuntu SMP Sun Jul 4
06:49:54 UTC 2010 i686 GNU/Linux
But problem seen on all kernels tried.
Bo
Hi jim_charlton,
Please be sure to confirm this issue exists with the latest development release
of Ubuntu. ISO CD images are available from
http://cdimage.ubuntu.com/daily/current/ . If the issue remains, please run
the following command from a Terminal (Applications->Accessories->Terminal).
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This bug did not have a package associated with it, which
is important for ensuring that it gets looked at by the proper
developers. You can learn more about finding the right package at
https://wiki.ubuntu.com/Bugs
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