[Bug 205690] [psm] [patch]: Add support for Elantech trackpads

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205690

--- Comment #51 from Guilherme Salazar <gmesalazar at gmail.com> ---
(In reply to Vladimir Kondratyev from comment #45)

Got some reversals, but they do seem to come from other places.

============
 $ dmesg | grep -C3 -i "lock order reversal" 
WARNING: attempt to domain_add(bluetooth) after domainfinalize()
WARNING: attempt to domain_add(netgraph) after domainfinalize()
re0: link state changed to UP
lock order reversal:
 1st 0xfffffe01e6e6c950 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:3512
 2nd 0xfffff80008f97400 dirhash (dirhash) @
/usr/src/sys/ufs/ufs/ufs_dirhash.c:281
stack backtrace:
--
#7 0xffffffff80b025a8 at kern_mkdirat+0x208
#8 0xffffffff80e9d40b at amd64_syscall+0x2db
#9 0xffffffff80e7d7eb at Xfast_syscall+0xfb
lock order reversal:
 1st 0xfffff8012e05d5f0 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2523
 2nd 0xfffffe01e6f94b70 bufwait (bufwait) @
/usr/src/sys/ufs/ffs/ffs_vnops.c:263
 3rd 0xfffff8012e3fa9a0 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2523
--
#14 0xffffffff80b01dd0 at sys_fsync+0x170
#15 0xffffffff80e9d40b at amd64_syscall+0x2db
#16 0xffffffff80e7d7eb at Xfast_syscall+0xfb
lock order reversal:
 1st 0xfffffe01e7310ab0 bufwait (bufwait) @
/usr/src/sys/ufs/ffs/ffs_vnops.c:263
 2nd 0xfffff8005fd3a5b0 snaplk (snaplk) @
/usr/src/sys/ufs/ffs/ffs_snapshot.c:2298
stack backtrace:
--
#14 0xffffffff80aff298 at kern_unlinkat+0x208
#15 0xffffffff80e9d40b at amd64_syscall+0x2db
#16 0xffffffff80e7d7eb at Xfast_syscall+0xfb
lock order reversal:
 1st 0xfffff8005fd3a5b0 snaplk (snaplk) @ /usr/src/sys/kern/vfs_vnops.c:442
 2nd 0xfffff8012ed957c8 ufs (ufs) @ /usr/src/sys/ufs/ffs/ffs_snapshot.c:1629
stack backtrace:
============

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