Re: r324421 amd64 kernel panics when entering multiuser mode

On Monday 09 October 2017 05:05:14 Alan Cox wrote:
> On Mon, Oct 9, 2017 at 4:22 AM, Oleg V. Nauman 
<oleg_at_theweb.org.ua> wrote:
> > panic: freeing invalid range
> > cpuid = 0
> > time = 1507550062
> > Uptime: 2s
> > .........
> > #0  doadump (textdump=<value optimized out>) at pcpu.h:232
> > 232     pcpu.h: No such file or directory.
> > 
> >         in pcpu.h
> > 
> > (kgdb) #0  doadump (textdump=<value optimized out>) at
> > pcpu.h:232
> > #1  0xffffffff804d68b6 in kern_reboot (howto=260)
> > 
> >     at /usr/src/sys/kern/kern_shutdown.c:386
> > 
> > #2  0xffffffff804d6cdc in vpanic (fmt=<value optimized out>,
> > 
> >     ap=<value optimized out>) at
> > 
> > /usr/src/sys/kern/kern_shutdown.c:779
> > #3  0xffffffff804d6b33 in panic (fmt=<value optimized out>)
> > 
> >     at /usr/src/sys/kern/kern_shutdown.c:710
> > 
> > #4  0xffffffff80504013 in blst_meta_free
> > (scan=0xfffffe00016e3048,
> > 
> >     freeBlk=<value optimized out>, count=0, radix=<value
> > 
> > optimized out>)
> > 
> >     at /usr/src/sys/kern/subr_blist.c:869
> > 
> > #5  0xffffffff80503fbf in blst_meta_free
> > (scan=0xfffffe00016e3038,
> > 
> >     freeBlk=<value optimized out>, count=<value optimized 
out>,
> >     radix=<value optimized out>) at
> > 
> > /usr/src/sys/kern/subr_blist.c:926
> > #6  0xffffffff80503fbf in blst_meta_free
> > (scan=0xfffffe00016e3028,
> > 
> >     freeBlk=<value optimized out>, count=<value optimized 
out>,
> >     radix=<value optimized out>) at
> > 
> > /usr/src/sys/kern/subr_blist.c:926
> > #7  0xffffffff80503fbf in blst_meta_free
> > (scan=0xfffffe00016e3018,
> > 
> >     freeBlk=<value optimized out>, count=<value optimized 
out>,
> >     radix=<value optimized out>) at
> > 
> > /usr/src/sys/kern/subr_blist.c:926
> > #8  0xffffffff8067568f in swaponsomething (vp=<value 
optimized
> > out>,
> > 
> >     id=0xfffff800052ad000, nblks=986109,
> >     strategy=0xffffffff80675900 <swapgeom_strategy>,
> >     close=0xffffffff80675b30 <swapgeom_close>, dev=87, 
flags=1)
> >     at /usr/src/sys/vm/swap_pager.c:2199
> > 
> > #9  0xffffffff80673aac in sys_swapon (td=<value optimized 
out>,
> > 
> >     uap=<value optimized out>) at
> > 
> > /usr/src/sys/vm/swap_pager.c:2728
> > #10 0xffffffff806bc512 in amd64_syscall 
(td=0xfffff80005387560,
> > traced=0)
> > 
> >     at subr_syscall.c:132
> > 
> > #11 0xffffffff806a170b in Xfast_syscall ()
> > 
> >     at /usr/src/sys/amd64/amd64/exception.S:419
> > 
> > #12 0x0000000800a888ba in ?? ()
> > Previous frame inner to this frame (corrupt stack?)
> > Current language:  auto; currently minimal
> 
> Please try the patch at https://reviews.freebsd.org/D12627

 This patch fixes kernel panic.

Thank you!