On 11/27/20 11:10 AM, Konstantin Belousov wrote:
And what is the instruction at 0xffffffff81002dcf ?
I got a much clearer panic by running "sysctl sys" which shows it's more
likely a problem for the amdgpu folks and not an underlying FreeBSD problem.
#7 0xffffffff810295cd in trap (frame=0xfffffe016e360760)
at /usr/src/sys/amd64/amd64/trap.c:398
#8 <signal handler called>
#9 0x0000000000000000 in ?? ()
#10 0xffffffff82a14c4e in amdgpu_device_get_pcie_replay_count ()
from /boot/modules/amdgpu.ko
#11 0xffffffff82a14b80 in sysctl_handle_attr () from /boot/modules/amdgpu.ko
#12 0xffffffff80c06cc1 in sysctl_root_handler_locked
(oid=0xfffffe02133ff000,
arg1=0xfffffe016e360980, arg2=-8724518803888, req=0xfffffe016e360980,
tracker=0xfffff81099af6280) at /usr/src/sys/kern/kern_sysctl.c:184
#13 0xffffffff80c0610c in sysctl_root (oidp=<optimized out>,
arg1=0xfffff810aa27e650, arg2=-2100190360, req=0xfffffe016e360980)
at /usr/src/sys/kern/kern_sysctl.c:2211
#14 0xffffffff80c06783 in userland_sysctl (td=0xfffffe00f00b6100,
name=0xfffffe016e360a40, namelen=4, old=<optimized out>,
oldlenp=<optimized out>, inkernel=<optimized out>, new=0x0, newlen=0,
retval=0xfffffe016e360aa8, flags=0)
at /usr/src/sys/kern/kern_sysctl.c:2368
#15 0xffffffff80c065cf in sys___sysctl (td=0xfffffe00f00b6100,
uap=0xfffffe00f00b64e8) at /usr/src/sys/kern/kern_sysctl.c:2241
#16 0xffffffff8102a81c in syscallenter (td=0xfffffe00f00b6100)
at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:189
#17 amd64_syscall (td=0xfffffe00f00b6100, traced=0)
at /usr/src/sys/amd64/amd64/trap.c:1156
#18 <signal handler called>
#19 0x00000008003819ca in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffffffb618
(kgdb)
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