Hello..
I'm replying now since I didn't get any email notification even I've
been subscribed to all notifications.
I saw 2-1 and 2-1:1.0 in that directory when plugged the hdd expansion
drive. Hope it's what you meant :
ls /sys/bus/usb/devices/2-1
2-1:1.0 bDeviceSubClass
chris, thank you for your comments. When you plug your USB device in, the
directory:
/sys/bus/usb/devices/
is going to populate a new entry. For example, I plugged a USB devices
in and got 4-2:1.0.
Could you please post the results of:
ls /sys/bus/usb/devices/NEWENTRY
** Changed in: linux
Hi Christopher, perhaps you mean sudo hdparm -Z /dev/sdb1, result:
/dev/sdb1:
disabling Seagate auto powersaving mode
HDIO_DRIVE_CMD(seagatepwrsave) failed: Invalid argument
Afterthat I did testing experienced same result as before.
** Changed in: linux (Ubuntu)
Status: Incomplete =
** Tags removed: regression-potential
** Tags added: lucid
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https://bugs.launchpad.net/bugs/1222313
Title:
0bc2:2300 [HP Pavillion dm3-1109TU] External HDD goes into low
chris, could you please post the results of the following command and advise if
it has an impact:
sudo hdparm /dev/sdb1 -Z
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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Chris, could you please advise on
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1222313/comments/38
?
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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I did testing under Precise with Image Viewer gedit created file (each
application ran in 3 consecutive tests) : consistent behavior with 30
seconds delay frozen application.
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chris, did this problem not occur in a release prior to Precise?
** Tags removed: kernel-bug-exists-upstream-v3.11
** Tags added: kernel-bug-exists-upstream-v3.12-rc2
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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Hi Christopher, now I'm using kernel 3.2.0-53-generic-pae (same as 3.12, tested
in Precise) I realized an inconsistency while doing 4 consecutive testing
(under different conditions, did that together with doing another works) :
- 1st testing : no delay
- 2nd testing : 30 seconds delay
- 3rd
I've just got kernel 3.2.0-54-generic-pae. Still experiencing inconsistency..
- 1st testing : no delay
- 2nd testing : 30 seconds delay
- 3rd testing : 30 seconds delay
- 4th testing : 30 seconds delay
Those testing running under different random conditions and I still haven't
found the
I had tested with kernel 3.12.0-031200rc2-generic, same behavior. But I
feel somewhat worst, saving delayed for 30 seconds...
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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chris, could you please test the latest mainline kernel via
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-rc2-saucy/ and
advise to the results?
** Description changed:
I found that my 0bc2:2300 Seagate USB HDD with NTFS goes into low power
mode delaying saving LO files by 10-20
No...as I mentioned in comment #33, sudo hdparm -B 255 /dev/sdb1 ran
after HDD woke up. But maybe I misunderstand, if you meant that after
execute that command is the HDD still can go into sleep state?; my
answer is: YES (in about 5-7 minutes then HDD entered sleep state).
And then I executed
Actually I don't really understand. If I understand correctly, what I should do
is execute:
- sudo hdparm -C /dev/sdXY ;then
- sudo hdparm -B 255 /dev/sdXY
(execute both command while HDD is is standby/sleep mode, so I should do it
pretty fast in 10-20 seconds)
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Hope that I did what is expected. Those are the results:
sudo hdparm -C /dev/sdb1:
/dev/sdb1:
drive state is: unknown
sudo hdparm -B 255 /dev/sdb1: (execute after HDD wake up since previous command
show result together with wake up process)
/dev/sdb1:
setting Advanced Power Management level
chris, as per man hdparm:
sudo hdparm -C /dev/sdb1:
/dev/sdb1:
drive state is: unknown
means the drive doesn't support querying it's current IDE power status
so that's fine..
when you ran the command:
sudo hdparm -B 255 /dev/sdb1
does the HDD still go into a sleep state? If so, would the
** Summary changed:
- 0bc2:2300 [HP Pavillion dm3-1109TU] External HDD takes 10/20 seconds after
wake up after standby
+ 0bc2:2300 [HP Pavillion dm3-1109TU] External HDD goes into low power mode
delaying saving by 10-20 seconds
** Description changed:
- LO hangs for a while after execute
** Description changed:
I found that my 0bc2:2300 Seagate USB HDD with NTFS goes into low power
mode delaying saving LO files by 10-20 seconds.
+
+ 250 GB Seagate Expansion Portable Drive
+ ST902504EXM101-RK
+
+ I don't know which part number is right, looks different what is written in
chris, I think you external drive itself is either in standby or sleep mode as
per man hdparm:
...standby (low power mode, drive has spun down), or sleeping (lowest power
mode, drive is completely shut down).
which wouldn't be an issue if it resumed from it's standby/sleep faster.
Hence, for
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