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wapbl panic on new system with too much memory!
I'm in the process of installing a new machine, and I'm getting a
reproducible panic at boot time.
The machine is a Intel Core i7-6900 (8 cores, 16 threads, 3.2GHz) on an
ASUS X99-E motherboard. It is fully-populated with 8 x 16GB DDR4 DIMMs
(for a total, yes, of 128GB!).
Basically, I cloned the hard drive of my other machine using dd, and
then put the copy in the new machine, and booted. It comes up fine in
single-user mode. However, shortly after typing ^D to the single-user
shell, it fails a KASSERT at sys/kern/vfs_wapbl.c line 1088. The
following is manually transcribed:
trap type 1 code 0 rip ffffffff80114cf5 cs8 rflags 246 cr2
7ef4986dd3d0 ilevel 0 rsp fffffe90eb210b10
ddb> bt
breakpoint + 0x5
vpanic + 0x140
cd_play_msf (ie, end of panic()!)
wapbl_add_buf + 0x134
bdwrite + 0xbd
ffs_update.part.3 + 0x1f0
ffs_full_fsync + 0x187
ffs_fsync + 0x4b
VOP_FSYNC + 0x3e
ffs_sync + 0xd0
VFS_SYNC + 0x1c
do_sys_sync + 0xb3
sys_sync + 0x9
syscall + 0x15b
--- syscall number 36 ---
I have four file systems on the single hard drive, and all of them are
mounted '-o log' (ie, wapbl enabled).
Upon reboot, I manually forced an fsck of all file systems via 'fsck
-fp' and no issues were found. I then did a sync;sync;sync without any
problems. But again, as soon as I ^D from the single-user shell, I got
the same panic.
Anyone got any clues?
+------------------+--------------------------+------------------------+
| Paul Goyette | PGP Key fingerprint: | E-mail addresses: |
| (Retired) | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org |
+------------------+--------------------------+------------------------+
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