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Fairly standard source-based update (that I've done for years). I need
to head to a meeting soon, so I haven't much time just now. I will try
to put relevant info up at catwhisker.org, but that won't be for a dfew
hours, I expect.

The system came up after the reboot long enough for me to login via xdm
(this was on a laptop) and start copying data from the build to the
history I keep, but died as it was copying the 3rd file.

Backtrace from vmcore.8:

Fatal trap 12: page fault while in kernel mode
cpuid =3D 1; apic id =3D 01
fault virtual address =3D 0x165210083538
fault code =3D supervisor read data, page not present
instruction pointer =3D 0x20:0xffffffff8068a18e
stack pointer =3D 0x28:0xfffffe108da3e250
frame pointer =3D 0x28:0xfffffe108da3e2c0
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 12 (irq37: iwn0)
rdi: fffffe108e8af000 rsi: fffffe108e8af038 rdx: 000000007fc8b700
rcx: fffff8005e62a600 r8: fffff8005e62a600 r9: fffff8005e62a666
rax: 00001841817ca800 rbx: fffffe10efc51000 rbp: fffffe108da3e2c0
r10: 0000000000000085 r11: 000000000000084c r12: fffff8005e62a666
r13: 0000000000000001 r14: 00001652100804a8 r15: 0000000000000009
trap number =3D 12
panic: page fault
cpuid =3D 1
time =3D 1758119492
KDB: stack backtrace:
#0 0xffffffff80bb0fad at kdb_backtrace+0x5d
#1 0xffffffff80b640a6 at vpanic+0x136
#2 0xffffffff80b63f63 at panic+0x43
#3 0xffffffff8109fe99 at trap_pfault+0x3c9
#4 0xffffffff81076378 at calltrap+0x8
#5 0xffffffff8067f947 at iwn_transmit+0xa7
#6 0xffffffff80cdb5f3 at ieee80211_parent_xmitpkt+0x13
#7 0xffffffff80cfe45f at ieee80211_vap_pkt_send_dest+0x17f
#8 0xffffffff80cff7ff at ieee80211_vap_transmit+0x2cf
#9 0xffffffff80c95903 at ether_output_frame+0xd3
#10 0xffffffff80c95700 at ether_output+0x6b0
#11 0xffffffff80d36641 at ip_output+0x13d1
#12 0xffffffff80d4fbc1 at tcp_default_output+0x1f21
#13 0xffffffff80d46ed3 at tcp_output+0x13
#14 0xffffffff80d4551d at tcp_do_segment+0x1dfd
#15 0xffffffff80d42d5d at tcp_input_with_port+0xf2d
#16 0xffffffff80d4370b at tcp_input+0xb
#17 0xffffffff80d32a39 at ip_input+0x1f9
Uptime: 1m10s


uname:
FreeBSD 15.0-ALPHA2 #589 stable/15-n280157-0caba7093871: Wed Sep 17 14:21:3=
4 -00 2025 root@localhost:/common/S3/obj/usr/src/amd64.amd64/sys/CANARY=
amd64 1500064 1500064

Peace,
david
--=20
David H. Wolfskill david@catwhisker.org

See https://www.catwhisker.org/~david/publickey.gpg for my public key.

--ylzljmyKB5yesXPW
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From Newsgroup: muc.lists.freebsd.stable


--Fj+1kr3lrzBNM3tk
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I managed to get a copy of core.txt.8 up at http://www.catwhisker.org/~david/FreeBSD/stable_15/

(There's a gzipped copy, as well.) I'm trying to upload a copy of the
full vmcore.8, but that will almost certainly need to wait for time (& bandwidth).

Peace,
david
--=20
David H. Wolfskill david@catwhisker.org

See https://www.catwhisker.org/~david/publickey.gpg for my public key.

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From Newsgroup: muc.lists.freebsd.stable


--BqTqIGLM9+CQTTD2
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OK; I got a copy of the vmcore.8 file up:

albert(14.3-S)[4] ls -lTh
total 1085800
-rw-r--r-- 1 david staff 75M Sep 17 08:39:07 2025 core.txt.8
-rw-r--r-- 1 david staff 14M Sep 17 08:39:08 2025 core.txt.8.gz
-rw-r--r-- 1 david staff 1.6G Sep 17 10:32:43 2025 vmcore.8
-rw-r--r-- 1 david staff 439M Sep 17 10:32:43 2025 vmcore.8.gz

at https://www.catwhisker.org/~david/FreeBSD/stable_15/

The same machine updated to each of:
FreeBSD 16.0-CURRENT #592 main-n280399-dea1dd669054: Wed Sep 17 13:51:04 -0=
0 2025 root@localhost:/common/S4/obj/usr/src/amd64.amd64/sys/CANARY amd=
64 1600000 1600000

and=20

FreeBSD 14.3-STABLE #546 stable/14-n272425-123881aead72: Wed Sep 17 11:41:5=
1 UTC 2025 root@localhost:/common/S1/obj/usr/src/amd64.amd64/sys/CANARY=
amd64 1403506 1403506

without that issue. (stable/14 seems OK; head has been getting a
panic that appears to be ACPI-related both today and yesterday (main-n280375-da20d88599d5); I had not seen an issue at main-n280375-da20d88599d5. I only have reason to believe that's
ACPI-related because my build machine's serial console seemed to
have a similar issue, and I was actually able to see the characters
on it once. Sorry I've not been able to report much about that -- I'm
away from home at an offsite meeting for work, on a lunch break just now.)

Peace,
david
--=20
David H. Wolfskill david@catwhisker.org

See https://www.catwhisker.org/~david/publickey.gpg for my public key.

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From Newsgroup: muc.lists.freebsd.stable

On Wed, 17 Sep 2025, David Wolfskill wrote:

Cc: adrian as he's into iwn and tx paths... but if you ask me that
smells like an mbuf/memory problem ... I see you have core files later
in another email so someone should look.

Fairly standard source-based update (that I've done for years). I need
to head to a meeting soon, so I haven't much time just now. I will try
to put relevant info up at catwhisker.org, but that won't be for a dfew hours, I expect.

The system came up after the reboot long enough for me to login via xdm
(this was on a laptop) and start copying data from the build to the
history I keep, but died as it was copying the 3rd file.

Backtrace from vmcore.8:

Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0x165210083538
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff8068a18e
stack pointer = 0x28:0xfffffe108da3e250
frame pointer = 0x28:0xfffffe108da3e2c0
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 = 12 (irq37: iwn0)
rdi: fffffe108e8af000 rsi: fffffe108e8af038 rdx: 000000007fc8b700
rcx: fffff8005e62a600 r8: fffff8005e62a600 r9: fffff8005e62a666
rax: 00001841817ca800 rbx: fffffe10efc51000 rbp: fffffe108da3e2c0
r10: 0000000000000085 r11: 000000000000084c r12: fffff8005e62a666
r13: 0000000000000001 r14: 00001652100804a8 r15: 0000000000000009
trap number = 12
panic: page fault
cpuid = 1
time = 1758119492
KDB: stack backtrace:
#0 0xffffffff80bb0fad at kdb_backtrace+0x5d
#1 0xffffffff80b640a6 at vpanic+0x136
#2 0xffffffff80b63f63 at panic+0x43
#3 0xffffffff8109fe99 at trap_pfault+0x3c9
#4 0xffffffff81076378 at calltrap+0x8
#5 0xffffffff8067f947 at iwn_transmit+0xa7
#6 0xffffffff80cdb5f3 at ieee80211_parent_xmitpkt+0x13
#7 0xffffffff80cfe45f at ieee80211_vap_pkt_send_dest+0x17f
#8 0xffffffff80cff7ff at ieee80211_vap_transmit+0x2cf
#9 0xffffffff80c95903 at ether_output_frame+0xd3
#10 0xffffffff80c95700 at ether_output+0x6b0
#11 0xffffffff80d36641 at ip_output+0x13d1
#12 0xffffffff80d4fbc1 at tcp_default_output+0x1f21
#13 0xffffffff80d46ed3 at tcp_output+0x13
#14 0xffffffff80d4551d at tcp_do_segment+0x1dfd
#15 0xffffffff80d42d5d at tcp_input_with_port+0xf2d
#16 0xffffffff80d4370b at tcp_input+0xb
#17 0xffffffff80d32a39 at ip_input+0x1f9
Uptime: 1m10s

uname:
FreeBSD 15.0-ALPHA2 #589 stable/15-n280157-0caba7093871: Wed Sep 17 14:21:34 -00 2025 root@localhost:/common/S3/obj/usr/src/amd64.amd64/sys/CANARY amd64 1500064 1500064

Peace,
david

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Bjoern A. Zeeb r15:7


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