Jure Repinc, could you please contact Lenovo to confirm this result?
I've never seen this phenomenon across hundreds of BIOS updates for
Lenovo devices (both linux and Windows), so it's a little strange to say
the least to see the version number and date go backwards on a "newer"
BIOS update.
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Both were updated. Both are in the same updaate file and can't be
updated sperately.
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Title:
[Lenovo b575e] Display remains blank after resuming
Jure Repinc, to clarify, which update did you apply, the UEFI piece,
and/or EC?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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I think I know what's up with version numbers. I just checked the BIOS
setup and there are 2 versions. One for UEFI BIOS (1.01) and one for
Embedded Controller (1.07). I think that the previous BIOS was actually
1.00/1.06, but previously the EC version was reported in dmidecode, but
now in new BIOS
I downloaded the ISO from the page, burnt the CD and updated BIOS from
it. No change at all. Laptop still freezes on wakup and the screen is
blank.
The output of dmidecode is:
HPET63WW(1.01)
09/03/2012
Which is strange and it looks like it downgraded my BIOS instead of
upgrading to 1.07.
** Chan
Jure Repinc, my apologies as I was a little premature.
As per http://support.lenovo.com/us/en/products/laptops-and-
netbooks/lenovo-b-series-laptops/lenovo-b575e-notebook an update to your
computer's buggy and outdated BIOS is available (1.07). If you update to
this following https://help.ubuntu.c
I reported the bug upstream →
https://bugzilla.kernel.org/show_bug.cgi?id=101351
** Bug watch added: Linux Kernel Bug Tracker #101351
http://bugzilla.kernel.org/show_bug.cgi?id=101351
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Jure Repinc, the issue you are reporting is an upstream one. Could you
please report this problem through the appropriate channel by following
the instructions _verbatim_ at
https://wiki.ubuntu.com/Bugs/Upstream/kernel ?
Please provide a direct URL to your e-mail to the mailing list once you
have
Tested with 12.04.0 now and the problem remains the same.
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Title:
[Lenovo b575e] Display remains blank after resuming from suspend
To manage not
Jure Repinc, 12.04.3 is equivalent to Raring, so that would not be early
enough. Could you please test exactly http://old-
releases.ubuntu.com/releases/12.04.0/ubuntu-12.04-desktop-amd64.iso and
advise to the results?
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Jure Repinc, 12.04.3 is equivalent to Saucy, so that would not be early
enough. Could you please test exactly http://old-
releases.ubuntu.com/releases/12.04.0/ubuntu-12.04-desktop-amd64.iso and
advise to the results?
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I tried with 12.04.3 and the problem is the same. No screen, freeze and
caps-lock led blinking.
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Title:
[Lenovo b575e] Display remains blank afte
Jure Repinc, for regression testing purposes, could you please test http
://old-releases.ubuntu.com/releases/12.04.0/ and advise if this is
reproducible?
** Tags added: trusty
** Tags removed: kernel-bug-exists-upstream-3.14
** Tags added: kernel-bug-exists-upstream-3.15-rc3
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** Attachment added: "dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1303131/+attachment/4102258/+files/dmesg
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Title:
[Lenovo b5
cat /proc/acpi/wakeup > wakeup
** Attachment added: "wakeup"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1303131/+attachment/4102266/+files/wakeup
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** Attachment added: "Xorg.0.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1303131/+attachment/4102259/+files/Xorg.0.log
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Title:
I now tested with 3.15-rc3-utopic and the problem persists. I can't ssh
into the laptop after coming back from resume, looks like it is frozen.
Also I don't know if versions of Kubuntu older than 13.10 work as I
didn't have the laptop before. I will attach dmesg and Xorg log from a
running system b
** Attachment added: "Xorg.0.log.old"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1303131/+attachment/4102260/+files/Xorg.0.log.old
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T
Sorry for delayed response. The laptop is my mom's and I visit her about
once per month. Anyways. I have just now upgraded Kubuntu to version
14.04 and the problem remains. Will do other steps right away now.
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New Trusty Tahr bug report made. Should it be marked as duplicate with
this? I'm not sure.
14.04 report made by me is here
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1311214
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ht
xbmc50, 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 the offi
This bug still happens in Ubuntu 14.04 Trusty Tahr.
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Title:
[Lenovo b575e] Display remains blank after resuming from suspend
To manage notificat
Jure Repinc, did this problem not occur in a release prior to Saucy?
As well, could you please provide the missing information from
https://wiki.ubuntu.com/DebuggingKernelSuspend ?
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https
Can you ssh into the machine after resume to collect the following files
please?
1) the output of dmesg
2) your /var/log/Xorg.0.log and /var/log/Xorg.0.log.old
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I installed upstream kernel 3.14-trusty. After reboot laptop resumed 2
times just fine. But after that screen again remains blank.
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-3.14
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Jure Repinc, could you please test the latest upstream kernel available
(3.14-trusty) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will
allow additional upstream developers to examine the issue. Once you've tested
the upstream kernel, please comment on which kernel version specifi
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