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While running an Ubuntu kernel (not a mainline or third-party kernel)
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apport-collect 1746411
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1746411
Title:
[linux-oem] Fix out of bound VBT pin on CNP
Status in HWE Next:
New
Status in OEM Priority Project:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem package in Ubuntu:
Invalid
Status in linux source package in Xenial:
Invalid
Status in linux-oem source package in Xenial:
New
Bug description:
=== SRU Justification ===
[Impact]
i915 crashed when probing for VBT pin. No graphics output after that.
[Test Case]
Enable Legacy ROM boot option in BIOS. Screen goes blank.
Cherrypick fixes can solve the issue.
[Fix]
Handle out of bounds pin value more appropriately.
Patches from Jani are most refactoring, but the fix we want depends on
them.
Patches from Rogrigo are the fixes we want. These patches are also
picked base on his suggestion,
https://bugs.freedesktop.org/show_bug.cgi?id=104139#c7
[Regression Potential]
Low. CNL and CNP are still quite new. These commits are limited to them.
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