[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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With Ubuntu 13.10 (3.11.0-15-generic) on a Lenovo T420 I encountered the
same problem. Booting behaviour was erratic, it succeeded roughly every
second or third time. The suggested workaround (kernel parameter
pci=noacpi) works for the moment.
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Stefan Born, thank you for your comment. So your hardware and problem may be
tracked, could you please file a new report with Ubuntu by executing the
following in a terminal while booted into a Ubuntu repository kernel (not a
mainline one) via:
ubuntu-bug linux
For more on this, please read
BIOS upgraded to 1.38 but it didn't solve the problem.
# dmidecode -s bios-version
8CET58WW (1.38 )
# dmidecode -s bios-release-date
07/18/2013
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I might be able to set up a T420s that you can SSH into, if that helps?
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Title:
10de:1056 [Lenovo ThinkPad T420s] Fails to boot using nvidia
Olli Helenius, could you please test the latest upstream kernel available (not
the daily folder, but the one all the way at the bottom) following
https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional
upstream developers to examine the issue. Once you've tested the upstream
Tested and confirmed with 3.12.0-031200.201311031935 from
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-saucy/
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-v3.12
** Changed in: linux (Ubuntu)
Status: Incomplete =
Olli Helenius, did this problem not occur in a release prior to Saucy?
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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It did, as documented on #1007138. On older releases, the system would
sometimes boot and sometimes not. #1007138 mentions hanging 9 out of 10
times but I think on raring it hung something like 1 out of 4. This is,
of course, a very rough statistic.
On Saucy, it never seems to boot without
Olli Helenius, just to clarify, I'm asking for you and your hardware,
not someone else, did this problem not occur for you personally in a
release prior to Saucy?
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Yes. Since 12.10, if I recall correctly.
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Title:
10de:1056 [Lenovo ThinkPad T420s] Fails to boot using nvidia drivers
To manage notifications
Olli Helenius, did this problem not occur in a release prior to 12.10?
** Tags added: quantal
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Title:
10de:1056 [Lenovo ThinkPad T420s] Fails
I think 12.10 was the first version I installed on this laptop.
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Title:
10de:1056 [Lenovo ThinkPad T420s] Fails to boot using nvidia drivers
To
Olli Helenius, for regression testing purposes, could you please test
Lucid via http://old-releases.ubuntu.com/releases/lucid/ and advise to
the results?
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