On Fri, 2020-10-30 at 05:37 -0700, David Wolfskill wrote: > I've copied the dump and core.txt files to > http://www.catwhisker.org/~david/FreeBSD/head/r367127/ > > Here's a copy/paste of the stack trace (from the core.txt.3 file): > p 12: page fault while in kernel mode > cpuid = 4; apic id = 04 > fault virtual address = 0xfffff80840000000 > fault code = supervisor read data, page not present > instruction pointer = 0x20:0xffffffff80495f03 > stack pointer = 0x0:0xffffffff8241d748 > frame pointer = 0x0:0xffffffff8241d7a0 > 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 (irq36: iwn0) > trap number = 12 > panic: page fault > cpuid = 4 > time = 1604056852 > KDB: stack backtrace: > db_trace_self_wrapper() at 0xffffffff804a69db = > db_trace_self_wrapper+0x2b/frame 0xffffffff8241d3f0 > vpanic() at 0xffffffff80baf802 = vpanic+0x182/frame > 0xffffffff8241d440 > panic() at 0xffffffff80baf5c3 = panic+0x43/frame 0xffffffff8241d4a0 > trap_fatal() at 0xffffffff8102c2f7 = trap_fatal+0x387/frame > 0xffffffff8241d500 > trap_pfault() at 0xffffffff8102c397 = trap_pfault+0x97/frame > 0xffffffff8241d560 > trap() at 0xffffffff8102b98b = trap+0x2ab/frame 0xffffffff8241d670 > calltrap() at 0xffffffff80fffa08 = calltrap+0x8/frame > 0xffffffff8241d670 > --- trap 0xc, rip = 0xffffffff80495f03, rsp = 0xffffffff8241d748, rbp > = 0xffffffff8241d7a0 --- > rijndaelEncrypt() at 0xffffffff80495f03 = rijndaelEncrypt+0x233/frame > 0xffffffff8241d7a0 > ccmp_decap() at 0xffffffff80d08bc1 = ccmp_decap+0x421/frame > 0xffffffff8241d8b0 > ieee80211_crypto_decap() at 0xffffffff80d07955 = > ieee80211_crypto_decap+0x125/frame 0xffffffff8241d900 > sta_input() at 0xffffffff80d41dec = sta_input+0x43c/frame > 0xffffffff8241d9a0 > iwn_notif_intr() at 0xffffffff8069949c = iwn_notif_intr+0x137c/frame > 0xffffffff8241dab0 > iwn_intr() at 0xffffffff8068f4f8 = iwn_intr+0x2b8/frame > 0xffffffff8241db20 > ithread_loop() at 0xffffffff80b6dbb9 = ithread_loop+0x279/frame > 0xffffffff8241dbb0 > fork_exit() at 0xffffffff80b6a690 = fork_exit+0x80/frame > 0xffffffff8241dbf0 > fork_trampoline() at 0xffffffff81000a5e = fork_trampoline+0xe/frame > 0xffffffff8241dbf0 > --- trap 0, rip = 0, rsp = 0, rbp = 0 --- > KDB: enter: panic > > __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 > 55 __asm("movq %%gs:%P1,%0" : "=r" (td) : "n" (offsetof(struct pcpu, > (kgdb) #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 > #1 doadump (textdump=0) at /usr/src/sys/kern/kern_shutdown.c:394 > #2 0xffffffff804a3cea in db_dump (dummy=<optimized out>, > dummy2=<optimized out>, dummy3=<unavailable>, > dummy4=<unavailable>) > at /usr/src/sys/ddb/db_command.c:575 > #3 0xffffffff804a3ab0 in db_command (last_cmdp=<optimized out>, > cmd_table=<optimized out>, dopager=1) at > /usr/src/sys/ddb/db_command.c:482 > #4 0xffffffff804a380d in db_command_loop () > at /usr/src/sys/ddb/db_command.c:535 > #5 0xffffffff804a6b26 in db_trap (type=<optimized out>, > code=<optimized out>) > at /usr/src/sys/ddb/db_main.c:270 > #6 0xffffffff80bfb5c4 in kdb_trap (type=3, code=0, tf=<optimized > out>) > at /usr/src/sys/kern/subr_kdb.c:699 > #7 0xffffffff8102be9e in trap (frame=0xffffffff8241d320) > at /usr/src/sys/amd64/amd64/trap.c:576 > #8 <signal handler called> > #9 kdb_enter (why=0xffffffff8120d701 "panic", msg=<optimized out>) > at /usr/src/sys/kern/subr_kdb.c:486 > #10 0xffffffff80baf81e in vpanic (fmt=<optimized out>, ap=<optimized > out>) > at /usr/src/sys/kern/kern_shutdown.c:901 > #11 0xffffffff80baf5c3 in panic ( > fmt=0xffffffff81c79aa8 <cnputs_mtx> > "\362\357\034\201\377\377\377\377") > at /usr/src/sys/kern/kern_shutdown.c:838 > #12 0xffffffff8102c2f7 in trap_fatal (frame=0xffffffff8241d680, > eva=18446735313050009600) at /usr/src/sys/amd64/amd64/trap.c:915 > #13 0xffffffff8102c397 in trap_pfault (frame=0xffffffff8241d680, > usermode=<optimized out>, signo=<optimized out>, ucode=<optimized > out>) > at /usr/src/sys/amd64/amd64/trap.c:732 > #14 0xffffffff8102b98b in trap (frame=0xffffffff8241d680) > at /usr/src/sys/amd64/amd64/trap.c:398 > #15 <signal handler called> > #16 rijndaelEncrypt (rk=<optimized out>, Nr=<optimized out>, > pt=<optimized out>, > ct=0xffffffff8241d830 > "\277\243\ff\211\335\330\v5\234\035{\210\330\320\327Fe\235>\226\026\0 > 25c\266n\325\305\205]\251%\001\002\004\030\326!\"\037") > at /usr/src/sys/crypto/rijndael/rijndael-alg-fst.c:1000 > #17 0xffffffff80d08bc1 in ccmp_decrypt (key=0xfffffe106978a160, > pn=25627, > m=0xfffff8010ffc9b00, hdrlen=<optimized out>) > at /usr/src/sys/net80211/ieee80211_crypto_ccmp.c:623 > #18 ccmp_decap (k=<optimized out>, m=<optimized out>, > hdrlen=<optimized out>) > at /usr/src/sys/net80211/ieee80211_crypto_ccmp.c:284 > #19 0xffffffff80d07955 in ieee80211_crypto_decap (ni=<optimized out>, > m=0xfffff8010ffc9b00, hdrlen=26, key=0xffffffff8241d920) > at /usr/src/sys/net80211/ieee80211_crypto.c:684 > #20 0xffffffff80d41dec in sta_input (ni=<optimized out>, > m=0xfffff8010ffc9b00, rxs=<optimized out>, rssi=<optimized out>, > nf=<optimized out>) at /usr/src/sys/net80211/ieee80211_sta.c:773 > #21 0xffffffff8069949c in iwn_rx_done (sc=0xfffffe1033319000, > desc=<optimized out>, data=<optimized out>) > at /usr/src/sys/dev/iwn/if_iwn.c:3191 > #22 iwn_notif_intr (sc=<optimized out>) at > /usr/src/sys/dev/iwn/if_iwn.c:4018 > #23 0xffffffff8068f4f8 in iwn_intr (arg=0xfffffe1033319000) > at /usr/src/sys/dev/iwn/if_iwn.c:4337 > #24 0xffffffff80b6dbb9 in intr_event_execute_handlers (p=<optimized > out>, > ie=0xfffff8000c52b300) at /usr/src/sys/kern/kern_intr.c:1168 > #25 ithread_execute_handlers (p=<optimized out>, > ie=0xfffff8000c52b300) > at /usr/src/sys/kern/kern_intr.c:1181 > #26 ithread_loop (arg=<optimized out>) at > /usr/src/sys/kern/kern_intr.c:1269 > #27 0xffffffff80b6a690 in fork_exit ( > callout=0xffffffff80b6d940 <ithread_loop>, > arg=0xfffff8000d18ef00, > frame=0xffffffff8241dc00) at /usr/src/sys/kern/kern_fork.c:1052 > #28 <signal handler called> > (kgdb) > > > This happened while my laptop was running: > FreeBSD g1-55.catwhisker.org 13.0-CURRENT FreeBSD 13.0-CURRENT #43 > r367127M/367127: Thu Oct 29 05:52:40 PDT 2020 > root_at_g1-55.catwhisker.org:/common/S4/obj/usr/src/amd64.amd64/sys/CANA > RY amd64 1300123 1300123 > > during the "make buildkernel" phase of an in-place source update to > r367160. > > As often happens while I'm running head, there was an "iwn firmware > panic" (see, e.g., > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214435); record of > it > may be found in /var/log/messages, starting around: > > <2>1 2020-10-30T11:05:07.327958+00:00 g1-55.catwhisker.org kernel - - > - Expensive timeout(9) function: > 0xffffffff80d8d2f0(0xfffffe1067a408f0) 0.840172647 s > <2>1 2020-10-30T11:07:36.367805+00:00 g1-55.catwhisker.org kernel - - > - iwn0: iwn_intr: fatal firmware error > <2>1 2020-10-30T11:07:36.367830+00:00 g1-55.catwhisker.org kernel - - > - firmware error log: > <2>1 2020-10-30T11:07:36.367839+00:00 g1-55.catwhisker.org kernel - - > - error type = "UNKNOWN" (0x0000001D) > > > and the "WiFi" LED on the laptop went dark. As I was trying to do > some work on another machine (while logged in to that machine from > the > laptop), the loss of connectivity was ... disruptive. While I was > mildly gratified that (this time) the "make buildkernel" appeared to > be > proceeding despite the iwn(4) issue(s), I also wanted to get back to > what I was doing. > > So after a few minutes -- when it became apparent that the link > wasn't > being recovered on its own -- I switched from X11 to vty1 (to leave > vty0 > for console messages), logged in as root, and issued: > > service netif restart wlan0 > > after a couple of minutes (during which the "make buildkernel" was > continuing), the "service netif restart wlan0" had not yet completed, > so > I sent it a SIGNIFO (via ^T), and (as I recall), it indocated that > the > process was invoking ifconfig, and there was some mention of a > function > whose name included "epoch". > > I resumed waiting; after another minute or so, I trued ^T again, and > there appeared to be no progress. > > After waiting another 30 seconds or so, I tried to bail out via ^C; > that > appeared to be ineffective. So after waiting another 10 - 15 seconds > or > so, I tried backgrounding (^Z), followed by "kill %1". > > It was shortly after that the panic occurred. Which may well -- to > some > extent -- have been self-inflicted. That said, the iwn firmware > panics > are not something I can control (as far as I know -- please let me > know > how I can control them if I'm incoorrect on that score). For that > matter, I have no particular attachment to this NIC -- I'm open to a > suggestion for any NIC with the same (miniPCI) form factor that will > work well with FreeBSD. > > Peace, > david I got the same issue.Received on Fri Oct 30 2020 - 17:27:02 UTC
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