None of the proposed workarouds work for me, except for to use acpitool
-s which works fine to suspend.
The only problem was that it needed root privilegies, which was very annoying.
But it can be bypassed by adding line %michal ALL=NOPASSWD: /usr/bin/acpitool
using sudo visudo
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I am using kernel 2.6.37 since more than two weeks now. Using this
kernel version, suspend to RAM and hibernation work fine on my Thinkpad
W500 running 64-bit Maverick.
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On Friday 21,January,2011 09:52 PM, Thomas Dreibholz wrote:
I am using kernel 2.6.37 since more than two weeks now. Using this
kernel version, suspend to RAM and hibernation work fine on my Thinkpad
W500 running 64-bit Maverick.
In that case, let's close this bug. Please file a new bug if
I can confirm this bug on my Dell Latitude E5400, which also uses a
Intel Mobile 4 Series chipset (rev 07).
I have installed the 32-bit version of Ubuntu Maverick running kernel
2.6.35-24-generic. The laptop has a 64-bit CPU.
I ran through the pm_trace procedure and got this message:
[
Same issue on my T510i 4313-8AG with Intel HD Graphics on Ubuntu 10.10 with
kernel 2.6.35-24-generic. Suspend and hibernate are both very unreliable
(literally stopped working). It worked fine recently, it could be perhaps
blamed to the recent kernel update.
The system freezes during suspend
This problem occurred once so far with 2.6.37 on my T500. Interestingly
not even the TFT was switched off. The login screen came back on, the
system was frozen, and the moon flashing.
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Scratch my comment #39. None of these workarounds are working
consistently. This is extremely annoying.
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This problem seems to have dissapeared (at least for me on a T500) from
2.6.35-23 on with parport and tpm_tis modules blacklisted:
blacklist parport
blacklist parport_pc
blacklist ppdev
blacklist lp
blacklist tpm_tis
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The kernel update proposed by Mihai (#41) did not worked for me.
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The solution by mycl (comment #30) solved this for me on a Thinkpad X200
with a Intel Corporation Mobile 4 Series Chipset Integrated Graphics
Controller. Constant success for over two weeks now.
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Using the 2.6.36 kernel from http://kernel.ubuntu.com/~kernel-
ppa/mainline/v2.6.36-maverick/linux-
image-2.6.36-020636-generic_2.6.36-020636.201010210905_amd64.deb seems
to have fixed it for me. (T400, Intel 4500MHD graphics)
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Scratch my comment (#33). The bios settings seemed to work a few times
but now stays in sleep mode and requires power down. Greg Tabor's pm-
suspend workaround is working so far (ATI with open source driver).
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I had all the symptoms above, flashing moon, power off as the only
soltuion. My W500 was using 10.10 after upgrade form 10.4. I switched
the BIOS from integrated to descrete (Intel to ATI) and haven't done
anything else. Things are 100% so far. I'm up to 3day uptime now!
Before, it was totally
After I used two of the workarounds (1. a script /usr/sbin/pm-suspend
and 2. mainline kernel 2.6.36 with drm-next) for two weeks I come to the
conclusion that both are not reliable. To be honest: They fail in 30-50
%.
In some cases the notebook (Lenovo T500) fails to suspend as usual, in
other
For me using the kernel of Ubuntu 10.04 works perfectly fine and
reliable. The same on my daughter's Laptop (Lenovo with Intel graphics).
Dell Latitude E6400 with Intel graphics.
Linux bdell 2.6.32-25-generic-pae #44-Ubuntu SMP Fri Sep 17 21:57:48 UTC 2010
i686 GNU/Linux
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Same problem here on a T400, 64 bit Ubuntu desktop. Suspend worked fine
until upgrade, now locks up and must be forced to reboot.
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On my Toshiba U400 I have the same (or similar) graphics card as
mentioned above (Intel Mobile 4 Series Chipset Integrated Graphics
Controller), so the problem may be related to it.
As a temporary workaround I use the command (as proposed somewhere)
acpitool -s
to suspend the computer, which
I just upgraded my Thinkpad T60 to 10.10 and experienced a similar
problem (actually 2). First problem was the machine wouldn't suspend.
The sleep light blinked but at the usual point of powering down it
jumped back alive asking for login. I tracked it down to partport_pc
failing to disable. I
Same issue on my T500 (model :2082-7SG). Suspend worked perfectly fine
on previous versions of Ubuntu.
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In case it helps, I have the same on my ThinkPad X200 with Intel
graphics, so it's not just the big ThinkPads.
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i can confirm the bug on a T400 with intel graphics as well. i get
either blinking sleep light indefinitely (on lid close) with the cpu
running hot, or on pressing suspend hot key, i'll sometimes get a reboot
instead of a sleep.
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I am on an Acer Aspire 5734Z and I had the exact symptoms described
above.
My dmesg only showed:
[0.964933] Magic number: 0:898:740
[0.964935] hash matches
/build/buildd/linux-2.6.35/drivers/base/power/main.c:586
I updated to the 2.6.36 kernel and the issue seems to be resolved.
I have a work-around that seems to be working.
Create the file:
/etc/pm/sleep.d/20_chvt_mjf
And make it executable with:
chmod a+x /etc/pm/sleep.d/20_chvt_mjf
And put the following inside:
#!/bin/sh
case $1 in
suspend) chvt 1; ;;
resume) chvt 7; ;;
esac
return 0
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The fact that this works tells me that this problems has something to do
with the graphics driver, though I can't say what exactly. This is my
graphics controller. Does yours match?
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev
For my T500, I see:
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset
Integrated Graphics Controller (rev 07) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 2114
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping-
I can confirm this bug on Toshiba U400. About one third of the
suspendations just freezes the computer and the fan speed increases.
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I installed the mainline kernel v2.6.36-rc8-maverick and it fixes the
problem also (at least for me). Now suspend works without Gregs
workaround.
There might be still an issue if a docking station is involved: When I
detach the notebook from the docking station (and go to battery) and
suspend it
I have the same issue with a docking station and a T500.
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Seems to be gone with 2.6.36 Maverick on my T500. Willl keep an eye on
it.
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Referencing back to my comments on bug 659668, now marked as duplicate
of this one...
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/659668/comments/23
I believe this hack only works for lid close as reported by akagi above.
The recent kernel updates did not fix the problem, but replacing
timobaumann: My T500 does not have an SSD, but does experience the
reported issue.
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As a work-around, I have now self-compiled a 2.6.36-rc8 kernel from the
kernel.org git repository, just using the configuration from
/boot/config-2.6.35-22-generic. Suspend/resume works fine with the new
2.6.36 kernel and I have not seen any other problems yet.
Note: I am using the Intel graphics
I have tried the following blacklist entries:
blacklist btusb
blacklist thinkpad_acpi
Unfortunately, this has not been successful. The suspend problem still
exists as before.
These are my loaded modules:
$ lsmod
Module Size Used by
btrfs 506518 0
zlib_deflate
Hi,
in bug report #659668
(https://bugs.launchpad.net/ubuntu/+source/linux/+bug/659668/comments/23)
a workaround is given. This workaround stopped to work for me after
todays update of my Ubuntu 10.10 installation.
Obviously there are at least two mechanism to suspend a T500 laptop: One
for the
me too on a T500; I also have an SSD so may this be an indicator?
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I have a similar problem on a T500. The difference is that I rarely
manage to make it suspend at all.
For sure it's not the bluetooth because I tried with bluetooth unloaded.
I tried to unload thinkpad_acpi, hdaps, tp_smapi and thinkpad_ec. Only
one time with all of them unloaded I managed to
No help. Still the occasional freeze up. I tried the kernel suspend
debug thing again, and here is the message:
[0.701281] registered taskstats version 1
[0.701579] Magic number: 0:898:740
[0.701621] hash matches
/build/buildd/linux-2.6.35/drivers/base/power/main.c:586
So,
** Tags added: suspend
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Since I can't trap this bug using the normal CMOS-clock-based method,
and since so far it only seems to affect thinkpads, I'm going on a lark
and blacklisting thinkpad_acpi. So far I'm not seeing any reduction in
functionality. Suspend/resume has worked a few times successfully, but
so it has in
One thing I am definitely seeing is a faster suspend/resume process. In
the past, even when successful, it has taken about five seconds to
suspend. Now, it's more like one.
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There. I just did 10 successful suspend/resumes in a row. If this is
good for a couple of days, I'll try to figure out who owns thinkpad_acpi
and send them the bug.
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Re comment 8, the Thinkpad W500 BIOS (V3.15/3.17) configuration doesn't
have an option to disable Bluetooth.
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Son of a bitch is back. Although it seems a lot more infrequent. It just
happened for the first time in a few days.
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This might be the solution:
At some point, a few Ubuntu iterations back I put the following lines in
my /etc/modules file:
thinkpad_ec force_io=1
tp_smapi
This was recommended by the thinkwiki x200 page to try to get the
accelerometer-based active hard-drive protection working, as well as to
Also, if you think that Bluetooth is causing problems you can disable it
in BIOS setup at boot.
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I have tried blacklist btusb, since I noticed some error messages on
btusb in /var/log/syslog. But no change, the suspend problem is still
there.
A lspci -vvv output is now attached. May be the more verbose output
can help somebody identifying the problem.
** Changed in: pm-utils (Ubuntu)
I have the same symptoms on a Lenovo X200 with Maverick Beta.
Except, when I went through the suspend debug process I didn't get a
device hash matches line. My Magic number was:
[0.681422] Magic number: 0:898:740
[0.681465] hash matches
Oops. I see you did post your lspci. It looks like the kernel modules
shpchp and pciehp. I tried adding the lines:
blacklist shpchp
blacklist pciehp
to /etc/modprobe.d/blacklist.conf
I've gone through a couple of suspend/resume cycles successfully. But,
since this is an intermittent issue, I
Fail. The above does not prevent the problem.
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I have captured another dmesg output of a failed suspend:
[1.002034] Magic number: 0:248:190
[1.002091] acpi device:1c: hash matches
The full dmesg output is attached.
** Attachment added: Another output of dmesg
** Attachment added: Output of dmesg
https://bugs.launchpad.net/bugs/644223/+attachment/1617256/+files/suspend1.txt
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