Hi there
I'm having the exact same problem. I'm trying this:
sudo -s
echo min_power /sys/class/scsi_host/host3/link_power_management_policy
after that, cat /sys/class/scsi_host/host3/link_power_management_policy
still return max_performace.
My laptop is a Fujitsu-Siemens Esprimo U9200.
Any
Just an advice, try not leaving any empty line in sysfs.conf.
It seems that empty lines now interfere with how the file is parsed.
You can always check what's happening with
$ sudo sh -ex /etc/init.d/sysfsutils start
Anyway I just switched to laptop-mode-tools feature for tweaking Intel
SCSI
Switch to laptop-mode-tools? How can I do that? I already hade laptop-
mode enabled en /etc/default/acpi-support, but nothing changed.
[EMAIL PROTECTED]:~$ sudo -s
[EMAIL PROTECTED]:~# echo min_power
/sys/class/scsi_host/host2/link_power_management_policy
[EMAIL PROTECTED]:~# echo min_power
** Changed in: sysfsutils (Debian)
Status: New = Fix Released
--
sysfsutils fail to tweak all sysfs.conf directives
https://bugs.launchpad.net/bugs/184783
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ubuntu-bugs mailing
** Changed in: sysfsutils (Ubuntu)
Status: In Progress = Fix Committed
--
sysfsutils fail to tweak all sysfs.conf directives
https://bugs.launchpad.net/bugs/184783
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This bug was fixed in the package sysfsutils - 2.1.0-4
---
sysfsutils (2.1.0-4) unstable; urgency=low
* debian/sysfsutils.init: Some attributes in sysfs need a terminating
newline, some don't, so try both. Thanks to Stefan Monnier for the patch!
(Closes: #459240, LP:
Debian bug has a patch I'll upload to Debian soon.
** Changed in: sysfsutils (Ubuntu)
Importance: Undecided = Low
Status: Incomplete = In Progress
--
sysfsutils fail to tweak all sysfs.conf directives
https://bugs.launchpad.net/bugs/184783
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** Changed in: sysfsutils (Debian)
Status: Unknown = New
--
sysfsutils fail to tweak all sysfs.conf directives
https://bugs.launchpad.net/bugs/184783
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** Bug watch added: Debian Bug tracker #459240
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=459240
** Also affects: sysfsutils (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=459240
Importance: Unknown
Status: Unknown
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sysfsutils fail to tweak all sysfs.conf
It seems deleting the '-n' in 'echo -n $f2 /sys/$f1' solves the
problem. At least for me it seems to work then. Happy hacking eastern!
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sysfsutils fail to tweak all sysfs.conf directives
https://bugs.launchpad.net/bugs/184783
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problem still occurs with Ubuntu Hardy Beta and sysfsutils 2.1.0-2
it still cannot change values on
class/scsi_host/host0/link_power_management_policy = min_power
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sysfsutils fail to tweak all sysfs.conf directives
https://bugs.launchpad.net/bugs/184783
You received this bug notification
I updated the description and corrected the Bug title to reflect the new
aspects of the bug I've found out:
sysfsutils 2.1.0-2 (hardy)
Sysfsutils manages to give a successful output only when sysfs.conf is set with
only one scsi_host link tweak.
As far as I managed to understand the presence
Gosh I'm very sorry,
I realized too late that in the last comment the output was successful just
because there was no link_power_management_policy file in host0 (I do not
understand why, but some recent kernel update mush have moved the host having
link_power_management_policy from host0 host1
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