@Anthony
In this case we are not going to update the BIOS.
According to the comments, please close this bug.
Thanks for your help.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1364748
Title:
** No longer affects: nvidia-prime (Ubuntu)
** Changed in: linux (Ubuntu)
Status: Incomplete = Won't Fix
** Changed in: hwe-next
Status: Incomplete = Won't Fix
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
@taihsiang
Alex has analyzed this issue and does not think it really affects hybrid
graphics. Could you discuss with your team and see if we can close this issue,
or should we try to update the BIOS for further investigation?
** Changed in: linux (Ubuntu)
Assignee: Anthony Wong
** Changed in: hwe-next
Status: Triaged = Incomplete
** Changed in: linux (Ubuntu)
Status: Triaged = In Progress
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1364748
Title:
[Lenovo
ACPI spec defines _ROM as This method is used to get a copy of the
display devices’ ROM data. In this case, it is used to get VBIOS (ex.
VGA's configuration) from ACPI BIOS AML code. As it fails, OS is not
able to get such configuration information.
I tried nvidia-prime and switched between
There are two signs that shows switching occurred:
1. lspci shows that nvidia geforce 730m's rev becomes 0xFF (ex. unreadable)
when using Intel's VGA.
2. glmark2 shows an increase in score (from ~1950 - ~2015, averages are taken
for 4 measurement).
NVIDIA X Server Settings also shows GPU
The BIOS updates are available @
http://support.lenovo.com/en/downloads/ds037576.
The system is currently running on 1.09 which is oldest one, and 2.18 added a
hybrid graphic fix (see below and
http://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/gluj15uc.txt), but again
I do not have the
From the error messages itself, it seems that BIOS did not perform
boundary check when it tries to refer to a memory address. As a result,
Field [TBF3] is out-of-boundary. The disassemabled code is as below:
OperationRegion (ATRP, SystemMemory, \ATRB, 0x0001)
201309-14169
3.13.0-39-generic and updated system
ubuntu-drivers-common 1:0.2.91.7
still has this issue.
Please see the attachment
201309-14169-lp1364748-comment07.tar.gz
for more details.
** Attachment added: 201309-14169-lp1364748-comment07.tar.gz
@ Christopher: Thanks for your comment.
I am certificating the machine so I have to target on the same BIOS.
Thus I am not going to update the BIOS.
Please refer to the attachment dmidecode.log for your request of the
comment #3.
** Attachment added: dmidecode.log
@ Alex
Please refer to the attachment 201309-14169-lp1364748.tar.gz for your comment
in this thread ( the comment #4)
It includes
a. 01-no-proprietary-driver.log - fwts output with open source driver.
b. 02-nvidia-performance.log - fwts output with performance mode.
c.
** Changed in: hwe-next
Assignee: Anthony Wong (anthonywong) = Alex Hung (alexhung)
** Changed in: hwe-next
Status: Incomplete = Triaged
** Changed in: linux (Ubuntu)
Status: Incomplete = Triaged
** Changed in: linux (Ubuntu)
Assignee: Anthony Wong (anthonywong) = Alex
** Changed in: hwe-next
Assignee: Alex Hung (alexhung) = Anthony Wong (anthonywong)
** Changed in: linux (Ubuntu)
Assignee: Alex Hung (alexhung) = Anthony Wong (anthonywong)
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
@Taihsiang,
Can you please attach fwts's results.log and acpidump from sudo
acpidump acpi.log
** Changed in: hwe-next
Status: Triaged = Incomplete
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
** Changed in: hwe-next
Importance: Undecided = Low
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1364748
Title:
[Lenovo ThinkPad T440p][10de:1290] switching nvidia graphic card
raises fwts
** Changed in: hwe-next
Assignee: (unassigned) = Alex Hung (alexhung)
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = Alex Hung (alexhung)
** Changed in: hwe-next
Status: New = Triaged
--
You received this bug notification because you are a member of Ubuntu
Bugs, which
** Summary changed:
- [Lenovo ThinkPad T440p][10de:12a0] switching nvidia graphic card raises fwts
high failure
+ [Lenovo ThinkPad T440p][10de:1290] switching nvidia graphic card raises fwts
high failure
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is
Taihsiang Ho, thank you for reporting this and helping make Ubuntu better. As
per http://download.lenovo.com/express/ddfm.html an update to your BIOS is
available (2.25). If you update to this following
https://help.ubuntu.com/community/BiosUpdate does it change anything? If it
doesn't, could
** Changed in: nvidia-prime (Ubuntu)
Importance: Undecided = Low
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1364748
Title:
[Lenovo ThinkPad T440p][10de:1290] switching nvidia graphic card
19 matches
Mail list logo
