https://bugzilla.kernel.org/show_bug.cgi?id=67901
--- Comment #11 from Lv Zheng <lv.zh...@intel.com> ---
Hi, I did following possible things using the acpidump you've provided.
1. Checking the wrong _PRT in the DSDT (I didn't check SSDTs)
I found a suspicious line:
Scope (_SB)
{
Device (PCI0)
{
...
Name (_PRT, Package (0x26) // _PRT: PCI Routing Table
{
...
Package (0x04)
{
Z002, <- This line is wrong, it should be an
integer
0x00,
\_SB.PCI0.LPID,
0x00
},
...
2. I customized the DSDT of my computer, and boot the machine, no panic
happened, I can only see some drivers are failed to get quick responses and
there is one line warning message:
ACPI Warning: \_SB_.PCI0._PRT: Return Package type mismatch at index 0 -
found Reference, expected Integer (20131218/nspredef-297)
This behavior matches what I can see in acpiexec environment by executing
all _PRTs (only 3 in DSDT).
So there might be nothing wrong in the updated repair mechanism. This bug
might be caused by other issues. Hope we can find more useful debugging
information from further provided data.
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