** Changed in: nvidia-prime (Ubuntu)
Status: Triaged => In Progress
** Changed in: nvidia-prime (Ubuntu Precise)
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1282796
Title:
prime-xconfig can write an invalid BusID string
Status in “nvidia-prime” package in Ubuntu:
In Progress
Status in “nvidia-prime” source package in Precise:
In Progress
Bug description:
The BusID string created by prime-xconfig could be incorrect in any of
the following cases:
a) Any numeric component of the bus ID is greater than 9: prime-xconfig will
write a hexadecimal value, but X will parse it as decimal.
b) The system has more than one PCI domain: `lspci -n` will show the PCI
domain, which is normally hidden on systems with a single PCI domain. This
breaks the formatting assumptions made by nv_get_id() about which fields are in
which position.
Besides the potential correctness issues, the generated BusID string
is missing the following recommended (but optional) information:
a) Bus type. According to xorg.conf(5) this should be "PCI:"
b) PCI domain: omission of this field could lead to problems on systems with
multiple PCI domains
A patch against nvidia-prime 0.5.5 from Trusty is attached. The
version on github seems to be behind that version by quite a bit.
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