** Also affects: linux-raspi2 (Ubuntu Eoan)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1855990
Title:
linux-raspi2: dmesg prints calltrace when continuous memory allocation
fails
Status in linux-raspi2 package in Ubuntu:
New
Status in linux-raspi2 source package in Eoan:
Fix Committed
Bug description:
[Impact]
When booting our raspi2 eoan kernel on rpi2/3/4, the dmesg sometimes
prints calltrace, that is because the fb driver fails to allocate memory
from cma, this is not critical since the fb driver could handle the
failure of allocation.
[Fix]
Disable the warning, then the calltrace will not be printed out.
[Test Case]
Booting the kernel with high resolution moinitor, the fb drver print the
log about failure of allocation, but there is no calltrace anymore.
[Regression Risk]
Low, just disable a warning.
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