[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

Zhang Rui  changed:

   What|Removed |Added

   Assignee|acpi_power-sleep-wake@kerne |rui.zh...@intel.com
   |l-bugs.osdl.org |

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

--- Comment #10 from Zhang Rui  ---
Created attachment 251031
  --> https://bugzilla.kernel.org/attachment.cgi?id=251031=edit
patch to save NVS memory for Lenovo G50-45

please check if this patch helps or not

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

--- Comment #9 from Przemek  ---
Created attachment 250911
  --> https://bugzilla.kernel.org/attachment.cgi?id=250911=edit
output from dmidecode

Thank you very much.
Output from dmidecode attached.

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

Zhang Rui  changed:

   What|Removed |Added

 CC||rui.zh...@intel.com

--- Comment #8 from Zhang Rui  ---
please attach the full dmidecode and I will generate a quirk patch for you to
force enable nvs saving.

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

--- Comment #7 from Przemek  ---
I can confirm that this commit made problems on my machine.

I reversed this patch [821d6f0359b0614792ab8e2fb93b503e25a65079] on kernel 4.9
- mainline with config from Archlinux testing repo and my machine can suspend
and resume as many times in a row as I want to.

Maby bios upgrade to version A2CN40WW(V2.08) is forcing EFI to read tables from
saved NVS memory and so this commit is invalid to my netbook.

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

--- Comment #6 from Przemek  ---
Never mind ...

Bisect log attached.

The first bad commit was:

 [821d6f0359b0614792ab8e2fb93b503e25a65079] ACPI / sleep: Do not save NVS for
new machines to accelerate S3


ACPI / sleep: Do not save NVS for new machines to accelerate S3

NVS region is saved and restored unconditionally for machines without
nvs_nosave quirk during S3. Tested some new machines and the operation
is not necessary. Saving NVS region also affects S2RAM speed. The time of
NVS saving and restoring depends on the size of NVS region and it consumes
7~10ms normally.

This patch is to make machines produced from 2012 to now not saving NVS region
to accelerate S3.

Signed-off-by: Lan Tianyu 
Signed-off-by: Rafael J. Wysocki 

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

--- Comment #5 from Przemek  ---
Created attachment 250341
  --> https://bugzilla.kernel.org/attachment.cgi?id=250341=edit
Bisect log

Bisect log

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

--- Comment #4 from Przemek  ---
(In reply to Len Brown from comment #2)
> Is it possible to identify, via git-bisect, what in Linux changed between
> 3.16 and 3.17 that causes it to run into this failure?

Hi,
I have started bisecting(from 3.17-rc1 to 3.17-rc5), and encountered problem
that I cannot resolve. When first kernel compiled by git-bisect (I had to
compile gcc4.9 from AUR specially for that operation, alternatively add a pach
for compiler-gcc5.h into the kernel tree.) is trying to boot it freezes with
message printed on screen "setup_efi_pci() failed". I have to power off laptop
by power switch, ctrl+alt+backspace doesnt work.

I'am using initramfs because of LVM on LUKS.  

So I have a question, is there somewhere pach putted upstream that I could
eventually manually apply before compilation to resolve this (freeze on boot
time error), because kernel compiled from AUR (3.16 LTS - 3.16.39) works
perfect.

thnx.
Przemek

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

--- Comment #3 from Przemek  ---
Thanks fo the reply.

"On second attempt" means that first suspend via "systemctl suspend" is working
as expected (hdd is off, power(online) led is blinking, screen is off, fan is
off - coputer is suspended), machine after that resumes olso without any
problems, but when laptop is resumed and I try to repeat "systemctl suspend"
command, then it is trying to suspend as normal, but it takes little more time
(1-3s) to see message (yellow bright text) from UEFI firmware on screen saying:
"Warning!!! Boot script table is modified. Please contact your vendor.", and
laptop boots as to be just powered on. During second process hdd doesnt turning
off, power led doesnt blinking (it is "on" whole the time as laptop was to be
online), fan is on, and backlight is on. After displaing the message for 3s
machine reset itself.

As to BIOS downgrade - I dont think it is possible for me to downgrade it. Maby
my Google fu is to weak but I cannot find trusted source of bios file. Lenovo
page doesnt have one (I suppose it was removed by them), and I dont have backup
of previous version.

But, on bugzilla there is other bug report which treats about hibernation
problem, bios not recognized by ACPI and identical laptop:

https://bugzilla.kernel.org/show_bug.cgi?id=186861

Laptop in that bug report has bios A2CN34WW which is lower version, and the
owner states that he can use kernels up to 4.6 on that machine.

Moreover there is another - newer verions of BIOS form Lenovo which suppose to
resolve "SMM callout vulnerability"  dated 2016/08/05.

https://support.lenovo.com/pl/pl/product_security/smm_attack

https://download.lenovo.com/consumer/mobiles/a2cn45ww.txt

Here the quesion arise.
Should I upgrade BIOS to version A2CN45WW and proced to trying git-bisect
kernel 3.17 ( I havent done it once ), an if so which version should I start
with.

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

--- Comment #2 from Len Brown  ---
Is it possible to identify, via git-bisect, what in Linux changed between 3.16
and 3.17 that causes it to run into this failure?

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

Len Brown  changed:

   What|Removed |Added

 Status|NEW |NEEDINFO

--- Comment #1 from Len Brown  ---
What does "on second attempt" mean, exactly?
Does this mean that you can suspend and resume once and it works?

Is it possible for you to try an older BIOS to confirm that this issue is
related to the BIOS patch?

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot. - AMD A6 6310 APU

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

Len Brown  changed:

   What|Removed |Added

 CC||l...@kernel.org
Summary|s3 second suspend - |s3 second suspend -
   |"Warning boot script table  |"Warning boot script table
   |is modified!!! Please   |is modified!!! Please
   |contact your vendor." - |contact your vendor." -
   |Cold boot.  |Cold boot. - AMD A6 6310
   ||APU

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[Bug 189431] s3 second suspend - "Warning boot script table is modified!!! Please contact your vendor." - Cold boot.

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=189431

Przemek  changed:

   What|Removed |Added

 Regression|No  |Yes

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