I blacklisted the i2c-piix4 module, which I think I don't have and was
giving this warning:
ACPI: resource piix4_smbus [io 0x0b00-0x0b07] conflicts with ACPI
region SMBX [io 0xb00-0xb0f]
as I thought it might be related, but nothing changed.
I am uninstalling radeontool to ensure it is not (tried to be) used by
either pm-utils (which suggests it) or acpi-support (which recommends
it). They use it this way:
$ dpkg-query -L pm-utils | xargs grep radeontool
/usr/lib/pm-utils/module.d/uswsusp: radeon-off)
OPTS="$OPTS --radeontool" ;;
/usr/lib/pm-utils/sleep.d/99video:if command_exists radeontool; then
/usr/lib/pm-utils/sleep.d/99video: radeon() { radeontool "$@"; }
/usr/lib/pm-utils/sleep.d/99video: radeon() { echo "radeontool not found"
1>&2; return 1; }
This is related with "quirks" and needs to be called for explicitly
$ dpkg-query -L acpi-support | xargs grep radeontool
/etc/acpi/lid.sh: [ -x /usr/sbin/radeontool ] && radeontool light
on
/usr/share/acpi-support/screenblank: [ -x /usr/sbin/radeontool ] &&
radeontool light off
It needs to be configured in /etc/default/acpi-support, which is not
done here.
The reason I went looking into this is that I had all sort of
instabilities on boot, suspend/hibernate and restore from hibernate,
which seems that I managed to solve by removing the "nosplash" option to
the kernel (it caused non-functional screen about 30% of the boots) and
adding "i8042.nomux=1 i8042.reset" (was causing no keyboard-trackpad
about 50% of boots)
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https://bugs.launchpad.net/bugs/1049101
Title:
Radeon tool does not work with a Radeon HD 6320
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