https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291463
Bug ID: 291463
Summary: Kernel panic with Resizable BAR support disabled:
pctrie_iter_insert_lookup: key c09 is already present
Product: Base System
Version: Unspecified
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Hello,
when attempting to play Indiana Jones and The Great Circle with Resizable BAR
support disabled, the system experiences a kernel panic with the following
error message:
panic: pctrie_iter_insert_lookup: key c09 is already present
cpuid = 0
time = 1765105590
KDB: stack backtrace:
#0 0xffffffff80bbdfbd at kdb_backtrace+0x5d
#1 0xffffffff80b71d76 at vpanic+0x136
#2 0xffffffff80b71c33 at panic+0x43
#3 0xffffffff80bc35c8 at pctrie_iter_insert_lookup+0xa8
#4 0xffffffff80f1ff92 at vm_page_iter_insert+0x32
#5 0xffffffff80f209d1 at vm_page_alloc_domain_iter+0x2f1
#6 0xffffffff80f206b4 at vm_page_alloc_iter+0x54
#7 0xffffffff80f07e5b at vm_fault_allocate+0x1cb
#8 0xffffffff80f06713 at vm_fault+0x373
#9 0xffffffff80f0627d at vm_fault_trap+0x4d
#10 0xffffffff81079d99 at trap_pfault+0x1f9
#11 0xffffffff810796d2 at trap+0x552
#12 0xffffffff81050578 at calltrap+0x8
Even if the panic occasionally does not occur, the game remains unplayable due
to persistent texture issues, characterized by black-and-white flickering.
However, when Resizable BAR support is enabled, the system remains stable and
the game runs without issues.
FreeBSD 15.0-STABLE stable/15-26365bf2516f GENERIC amd64 1500503 1500503
GPU: AMD RX 6700 XT
DRM: drm-66-kmod 6.6.25.1500503_6 with
https://github.com/freebsd/drm-kmod/pull/357 applied.
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