https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291120
Bug ID: 291120
Summary: iwlwifi: iwl_opmode_register panic
Product: Base System
Version: CURRENT
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: wireless
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Blocks: 273620
Flags: mfc-stable15?
I believe we had a similar issue in the beginning of mvm.
Interestingly I had not seen this on any other of my machines (some of which
have three iwlwifi cards in them currently) including BE200 which is the
mvm/mld crossing child.
Now that the code got split off and partially duplicated it might be good to
look through all the FreeBSD #ifdefs and see what also applies to mld and then
get the not-really-FreeBSD-specifics upstreamed possibly for 6.19 still.
[86.354674] Fatal trap 12: page fault while in kernel mode
[86.354681] cpuid = 1; apic id = 01
[86.354685] fault virtual address = 0x470
[86.354691] fault code = supervisor read data, page not present
[86.354699] instruction pointer = 0x20:0xffffffff83c312d0
[86.354705] stack pointer = 0x28:0xfffffe01928cca20
[86.354712] frame pointer = 0x28:0xfffffe01928cca60
[86.354718] code segment = base 0x0, limit 0xfffff, type 0x1b
[86.354725] = DPL 0, pres 1, long 1, def32 0, gran 1
[86.354731] processor eflags = interrupt enabled, resume, IOPL = 0
[86.354740] current process = 5163 (kldload)
[86.354746] rdi: ffffffff83cd6228 rsi: ffffffff83cd6228 rdx: 0000000000000000
[86.354755] rcx: ffffffff83d01110 r8: 0000000000000080 r9: fffffe0085116a40
[86.354763] rax: 0000000000000001 rbx: 0000000000000010 rbp: fffffe01928cca60
[86.354772] r10: 0000000000000000 r11: ff928fa0cececdcf r12: 0000000000000003
[86.354781] r13: 0000000000000000 r14: 0000000000000000 r15: ffffffff83cfe500
[86.354789] trap number = 12
[86.354807] panic: page fault
[86.370305] cpuid = 1
[86.375998] time = 1763662842
[86.381715] KDB: stack backtrace:
[86.387852] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xfffffe01928cc770
[86.395976] vpanic() at vpanic+0x136/frame 0xfffffe01928cc8a0
[86.403807] panic() at panic+0x43/frame 0xfffffe01928cc900
[86.412023] trap_pfault() at trap_pfault+0x3cf/frame 0xfffffe01928cc950
[86.419869] calltrap() at calltrap+0x8/frame 0xfffffe01928cc950
[86.426871] --- trap 0xc, rip = 0xffffffff83c312d0, rsp = 0xfffffe01928cca20,
rbp = 0xfffffe01928cca60 ---
[86.434117] iwl_opmode_register() at iwl_opmode_register+0x160/frame
0xfffffe01928cca60
[86.442736] iwl_mld_init() at iwl_mld_init+0x19/frame 0xfffffe01928cca80
[86.451387] linker_load_module() at linker_load_module+0xcd3/frame
0xfffffe01928ccd80
[86.460024] kern_kldload() at kern_kldload+0x165/frame 0xfffffe01928ccdd0
[86.468515] sys_kldload() at sys_kldload+0x59/frame 0xfffffe01928cce00
[86.477473] amd64_syscall() at amd64_syscall+0x126/frame 0xfffffe01928ccf30
[86.485960] fast_syscall_common() at fast_syscall_common+0xf8/frame
0xfffffe01928ccf30
[86.493817] --- syscall (304, FreeBSD ELF64, kldload), rip = 0x146df692ff1a,
rsp = 0x146df35f7dc8, rbp = 0x146df35f8340 ---
[86.501332] KDB: enter: panic
Referenced Bugs:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=273620
[Bug 273620] iwlwifi meta-bug
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