Date: Thu, 18 Jul 2024 17:23:23 -0700 From: Kevin Oberman <rkoberman@gmail.com> To: FreeBSD Wireless <freebsd-wireless@freebsd.org> Subject: Panic when starting wireless on head n271247-a527b9cb721a Message-ID: <CAN6yY1ue3UsWsO2WnBcDVVcXOtZrhWaN9wAjVbkmHMTvf5XtkQ@mail.gmail.com>
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I attempted to update my development system to today's head. After
installing the kernel, etcupdate -p, reboot, installworld, etcupdate,
check-old, delete-old, reboot,, the system panicked when the system tried
starting the network.
System is a T16-Gen1 with the Alder Lake wifi. When starting the network,
it panics with:
Fatal trap 12: page fault while in kernel mode
cpuid = 5; apic id = 12
fault virtual address = 0xc
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff8359afd3
stack pointer = 0x28:0xfffffe00f1341c80
frame pointer = 0x28:0xfffffe00f1341d00
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 0 (linuxkpi_short_wq_1)
rdi: fffffe016695c4f8 rsi: fffffe00f1341c48 rdx: ffffffff8118971b
rcx: 0000000000000000 r8: 0000000000000001 r9: ffffffffffffffff
rax: 0000000000000000 rbx: fffffe0167886e80 rbp: fffffe00f1341d00
r10: 0000000000010000 r11: 0000000000000001 r12: fffffe0167887478
r13: 0000000000000000 r14: fffffe016695c4c8 r15: fffff80003bec540
I can supply the full core.txt file. The backtrace shows the following
items:
iwl_mvm_bt_notif_iterator() at iwl_mvm_bt_notif_iterator+0xf3/frame
0xfffffe00f1341d00
linuxkpi_ieee80211_iterate_interfaces() at
linuxkpi_ieee80211_iterate_interfaces+0x84/frame 0xfffffe00f1341d40
iwl_mvm_bt_coex_notif_handle() at iwl_mvm_bt_coex_notif_handle+0x7c/frame
0xfffffe00f1341da0
iwl_mvm_async_handlers_wk() at iwl_mvm_async_handlers_wk+0x110/frame
0xfffffe00f1341df0
Should I open a ticket or add to an existing one? I didn't see one with a
quick look.
--
Kevin Oberman, Part time kid herder and retired Network Engineer
E-mail: rkoberman@gmail.com
PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683
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<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">I attempted to update my development system to today's head. After installing the kernel, etcupdate -p, reboot, installworld, etcupdate, check-old, delete-old, reboot,, the system panicked when the system tried starting the network.</div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small">System is a T16-Gen1 with the Alder Lake wifi. When starting the network, it panics with:</div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small"> Fatal trap 12: page fault while in kernel mode<br>cpuid = 5; apic id = 12<br>fault virtual address = 0xc<br>fault code = supervisor read data, page not present<br>instruction pointer = 0x20:0xffffffff8359afd3<br>stack pointer = 0x28:0xfffffe00f1341c80<br>frame pointer = 0x28:0xfffffe00f1341d00<br>code segment = base 0x0, limit 0xfffff, type 0x1b<br> = DPL 0, pres 1, long 1, def32 0, gran 1<br>processor eflags = interrupt enabled, resume, IOPL = 0<br>current process = 0 (linuxkpi_short_wq_1)<br>rdi: fffffe016695c4f8 rsi: fffffe00f1341c48 rdx: ffffffff8118971b<br>rcx: 0000000000000000 r8: 0000000000000001 r9: ffffffffffffffff<br>rax: 0000000000000000 rbx: fffffe0167886e80 rbp: fffffe00f1341d00<br>r10: 0000000000010000 r11: 0000000000000001 r12: fffffe0167887478<br>r13: 0000000000000000 r14: fffffe016695c4c8 r15: fffff80003bec540<br></div><div class="gmail_default" style="font-family:tahoma,sans-serif;font-size:small"> <br clear="all"></div><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default">I can supply the full core.txt file. The backtrace shows the following items:</div><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default">iwl_mvm_bt_notif_iterator() at iwl_mvm_bt_notif_iterator+0xf3/frame 0xfffffe00f1341d00<br>linuxkpi_ieee80211_iterate_interfaces() at linuxkpi_ieee80211_iterate_interfaces+0x84/frame 0xfffffe00f1341d40<br>iwl_mvm_bt_coex_notif_handle() at iwl_mvm_bt_coex_notif_handle+0x7c/frame 0xfffffe00f1341da0<br>iwl_mvm_async_handlers_wk() at iwl_mvm_async_handlers_wk+0x110/frame 0xfffffe00f1341df0</div><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default"> <br></div><div style="font-family:tahoma,sans-serif;font-size:small" class="gmail_default">Should I open a ticket or add to an existing one? I didn't see one with a quick look.<br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Kevin Oberman, Part time kid herder and retired Network Engineer<br>E-mail: <a href="mailto:rkoberman@gmail.com" target="_blank">rkoberman@gmail.com</a><br></div><div>PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683</div></div></div></div></div></div></div></div></div>
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