openzfs related kernel install fails (r365296)

[Ruslan Makhmatkhanov]

Mark Johnston wrote on 9/4/20 9:55 PM:

[...]

>>>
>>> The zfs.ko Makefile unconditionally enables creation of a debug file.
>>> Could you verify that the problem is gone with this patch?
>>
>>
>> This patch indeed fixes the install. Thank you!
> 
> Committed in r365336, thanks.
> 

Sadly it later fails at boot. Booting older kernel (r359781) fixes the 
issue. I read all the zfs related threads on freebsd-current for August 
and September, but still not found the solution. Failing kernel and 
world are at r365296.

Sep  5 22:51:54 cf kernel:
Sep  5 22:51:54 cf kernel: Loader variables:
Sep  5 22:51:54 cf kernel:   vfs.root.mountfrom=zfs:z/ROOT/default
Sep  5 22:51:54 cf kernel:
Sep  5 22:51:54 cf kernel: Manual root filesystem specification:
Sep  5 22:51:54 cf kernel:   <fstype>:<device> [options]
Sep  5 22:51:54 cf kernel:       Mount <device> using filesystem <fstype>
Sep  5 22:51:54 cf kernel:       and with the specified (optional) 
option list.
Sep  5 22:51:54 cf kernel:
Sep  5 22:51:54 cf kernel:     eg. ufs:/dev/da0s1a
Sep  5 22:51:54 cf kernel:         zfs:zroot/ROOT/default
Sep  5 22:51:54 cf kernel:         cd9660:/dev/cd0 ro
Sep  5 22:51:54 cf kernel:           (which is equivalent to: mount -t 
cd9660 -o ro /dev/cd0 /)
Sep  5 22:51:54 cf kernel:
Sep  5 22:51:54 cf kernel:   ?               List valid disk boot devices
Sep  5 22:51:54 cf kernel:   .               Yield 1 second (for 
background tasks)
Sep  5 22:51:54 cf kernel:   <empty line>    Abort manual input
Sep  5 22:51:54 cf kernel:
Sep  5 22:51:54 cf kernel: mountroot> panic: mountroot: unable to 
(re-)mount root.
Sep  5 22:51:54 cf kernel: cpuid = 2
Sep  5 22:51:54 cf kernel: time = 16
Sep  5 22:51:54 cf kernel: KDB: stack backtrace:
Sep  5 22:51:54 cf kernel: #0 0xffffffff80bb1475 at kdb_backtrace+0x65
Sep  5 22:51:54 cf kernel: #1 0xffffffff80b6a6e2 at vpanic+0x182
Sep  5 22:51:54 cf kernel: #2 0xffffffff80b6a553 at panic+0x43
Sep  5 22:51:54 cf kernel: #3 0xffffffff80c2991f at vfs_mountroot+0x198f
Sep  5 22:51:54 cf kernel: #4 0xffffffff80b0970f at start_init+0x1f
Sep  5 22:51:54 cf kernel: #5 0xffffffff80b2f7e2 at fork_exit+0x72
Sep  5 22:51:54 cf kernel: #6 0xffffffff80f09c1e at fork_trampoline+0xe
Sep  5 22:51:54 cf kernel: Uptime: 16s
Sep  5 22:51:54 cf kernel: ---<<BOOT>>---

-- 
-- 
Regards,
Ruslan

T.O.S. Of Reality