Public bug reported:
I have a new Sony VAIO VPC-B11KGX/B. I installed a fresh Ubuntu
starting with Maverick. It is currently on Maverick, using the ALSA
team PPA due to a reported bug on sound (yet unrepaired), but otherwise
default kernel. I added blacklist of intel_ips due to an existing
reported bug on this module, also yet unrepaired.
Problem is as follows. Occasionally, on closing the laptop lid, suspend
fails. I noticed it once before after it had sat in my bag,
overheating, for hours and eventually drained its battery. This time, I
noticed after only a couple of hours and plugged it back in.
After plugging it back in I observed that the fan continued to spin high
for about 15 minutes, with no sign of getting cooler (possible high CPU
usage?). I opened it, and the display was the typical black terminal I
normally observe on unsuspending, consisting of a couple of system
messages and what appears like service output with the [ OK ].
However, the machine remained unresponsive. It ignored alt-f1 and magic
sysrq emergency sync, and when plugged into the network, was unpingable
and I was unable to SSH into it. Fan usage stayed high, and I was
unable to use magic sysrq to shut it down semi-gracefully, so I was
forced to power it off.
In terms of what I did prior to suspend, I had unplugged the ethernet
cable and connection to external monitor, then perhaps 15s later
(network manager had already reported it was disconnected in the gui),
closed the lid. I had no applications open.
On startup, I checked syslog, but it was uninformative. I've included
it below, however:
====================================================================================================
Dec 9 09:22:24 laptop NetworkManager[1031]: <info> sleep requested (sleeping:
no enabled: yes)
Dec 9 09:22:24 laptop NetworkManager[1031]: <info> sleeping or disabling...
Dec 9 09:22:24 laptop NetworkManager[1031]: <info> (eth0): now unmanaged
Dec 9 09:22:24 laptop NetworkManager[1031]: <info> (eth0): device state
change: 2 -> 1 (reason 37)
Dec 9 09:22:24 laptop NetworkManager[1031]: <info> (eth0): cleaning up...
Dec 9 09:22:24 laptop NetworkManager[1031]: <info> (eth0): taking down device.
Dec 9 09:22:24 laptop avahi-daemon[998]: Interface eth0.IPv6 no longer
relevant for mDNS.
Dec 9 09:22:24 laptop avahi-daemon[998]: Leaving mDNS multicast group on
interface eth0.IPv6 with address fe80::224:cdef:fedc:7654.
Dec 9 09:22:24 laptop avahi-daemon[998]: Withdrawing address record for
fe80::224:cdef:fedc:7654. on eth0.
Dec 9 09:22:24 laptop NetworkManager[1031]: <info> (wlan0): now unmanaged
Dec 9 09:22:24 laptop NetworkManager[1031]: <info> (wlan0): device state
change: 3 -> 1 (reason 37)
Dec 9 09:22:24 laptop NetworkManager[1031]: <info> (wlan0): cleaning up...
Dec 9 09:22:24 laptop NetworkManager[1031]: <info> (wlan0): taking down device.
Dec 9 09:22:24 laptop kernel: [54293.124944] PM: Syncing filesystems ... done.
Dec 9 09:22:24 laptop kernel: [54293.129163] PM: Preparing system for mem sleep
Dec 9 11:13:46 laptop kernel: imklog 4.2.0, log source = /proc/kmsg started.
====================================================================================================
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/688145
Title:
Suspend fails on closing laptop lid, hangs hard on reopen with high heat and
fan usage.
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