Re: cardbus panic

What does https://reviews.freebsd.org/D28963 do for you?

Warner

On Fri, Feb 26, 2021 at 9:48 PM Steve Kargl <
sgk_at_troutmask.apl.washington.edu> wrote:

> Ejecting a D-Link DWL-G630 AirPlus G NIC leads to
>
> panic: mutex Giant not owned at /usr/src/sys/kern/subr_bus.c:3001
> cpuid = 1
> time = 1614400775
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
> 0xfffffe0062fc3b40
> vpanic() at vpanic+0x181/frame 0xfffffe0062fc3b90
> panic() at panic+0x43/frame 0xfffffe0062fc3bf0
> __mtx_assert() at __mtx_assert+0xb0/frame 0xfffffe0062fc3c00
> device_detach() at device_detach+0x2e/frame 0xfffffe0062fc3c40
> bus_generic_detach() at bus_generic_detach+0x38/frame 0xfffffe0062fc3c60
> cardbus_detach_card() at cardbus_detach_card+0xf/frame 0xfffffe0062fc3c80
> cbb_event_thread() at cbb_event_thread+0x1be/frame 0xfffffe0062fc3cf0
> fork_exit() at fork_exit+0x80/frame 0xfffffe0062fc3d30
> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0062fc3d30
> --- 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=-1772142592) at /usr/src/sys/kern/kern_shutdown.c:399
> #2  0xffffffff80438f9e in db_fncall_generic (addr=<optimized out>,
>     rv=<optimized out>, nargs=0, args=<optimized out>)
>     at /usr/src/sys/ddb/db_command.c:610
> #3  db_fncall (dummy1=<optimized out>, dummy2=<optimized out>,
>     dummy3=<optimized out>, dummy4=<optimized out>)
>     at /usr/src/sys/ddb/db_command.c:658
> #4  0xffffffff80438ab0 in db_command (last_cmdp=<optimized out>,
>     cmd_table=<optimized out>, dopager=dopager_at_entry=1)
>     at /usr/src/sys/ddb/db_command.c:482
> #5  0xffffffff8043880d in db_command_loop ()
>     at /usr/src/sys/ddb/db_command.c:535
> #6  0xffffffff8043bb76 in db_trap (type=<optimized out>, code=<optimized
> out>)
>     at /usr/src/sys/ddb/db_main.c:270
> #7  0xffffffff80750714 in kdb_trap (type=type_at_entry=3, code=code_at_entry=0,
>     tf=<optimized out>, tf_at_entry=0xfffffe0062fc3a70)
>     at /usr/src/sys/kern/subr_kdb.c:727
> #8  0xffffffff80a7af3e in trap (frame=0xfffffe0062fc3a70)
>     at /usr/src/sys/amd64/amd64/trap.c:576
> #9  <signal handler called>
> #10 kdb_enter (why=0xffffffff80b4ad3c "panic", msg=<optimized out>)
>     at /usr/src/sys/kern/subr_kdb.c:506
> #11 0xffffffff80704682 in vpanic (fmt=<optimized out>, ap=<optimized out>,
>     ap_at_entry=0xfffffe0062fc3bd0) at /usr/src/sys/kern/kern_shutdown.c:907
> #12 0xffffffff80704413 in panic (
>     fmt=0xffffffff80eb3230 <lock_class_mtx_spin>
> "\vb\254\200\377\377\377\377\n") at /usr/src/sys/kern/kern_shutdown.c:843
> #13 0xffffffff806e14d0 in __mtx_assert (c=<optimized out>,
>     what=<optimized out>, file=0xfffffe0062fc3a30 "", line=-2135709212)
>     at /usr/src/sys/kern/kern_mutex.c:1086
> #14 0xffffffff8073cc8e in device_detach (dev=dev_at_entry=0xfffff8000540a500)
>     at /usr/src/sys/kern/subr_bus.c:3001
> #15 0xffffffff8073f9e8 in bus_generic_detach (dev=<optimized out>)
>     at /usr/src/sys/kern/subr_bus.c:3761
> #16 0xffffffff8050e6ef in cardbus_detach_card (cbdev=0xfffff80003021e00)
>     at /usr/src/sys/dev/cardbus/cardbus.c:259
> #17 0xffffffff80555eae in CARD_DETACH_CARD (dev=0xfffff80003021e00)
>     at ./card_if.h:106
> #18 cbb_removal (sc=0xfffff8000305d400) at
> /usr/src/sys/dev/pccbb/pccbb.c:581
> #19 cbb_event_thread (arg=arg_at_entry=0xfffff8000305d400)
>     at /usr/src/sys/dev/pccbb/pccbb.c:474
> #20 0xffffffff806bfc60 in fork_exit (
>     callout=0xffffffff80555cf0 <cbb_event_thread>, arg=0xfffff8000305d400,
>     frame=0xfffffe0062fc3d40) at /usr/src/sys/kern/kern_fork.c:1069
> #21 <signal handler called>
>
> --
> Steve
> _______________________________________________
> freebsd-current_at_freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"
>