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WAPBL panic at mount time



Hi,
trying to mount a 3.5TB filesystem with -o log on 5.0_STABLE, I get:
raid2: WARNING: raid2: total sector size in disklabel (3050553088) != the size 
of raid (7345520384)                                                            
 
panic: kernel diagnostic assertion "bp->b_freelistindex == -1" failed: file 
"/dsk/l1/misc/bouyer/netbsd-5/src/sys/kern/vfs_bio.c", line 327                 
    
fatal breakpoint trap in supervisor mode
trap type 1 code 0 rip ffffffff803d2935 cs 8 rflags 246 cr2  7f7ffd96a740 cpl 0 
rsp ffff80005f89f5e0                                                            
Stopped in pid 183.1 (mount_ffs) at     netbsd:breakpoint+0x5:  leave
db{1}> tr
breakpoint() at netbsd:breakpoint+0x5
panic() at netbsd:panic+0x24d
__kernassert() at netbsd:__kernassert+0x2d
brelsel() at netbsd:brelsel+0x524
wapbl_discard() at netbsd:wapbl_discard+0xfe
wapbl_stop() at netbsd:wapbl_stop+0x2d
ffs_wapbl_stop() at netbsd:ffs_wapbl_stop+0x135
ffs_wapbl_start() at netbsd:ffs_wapbl_start+0x3ca
ffs_mountfs() at netbsd:ffs_mountfs+0x8e8
ffs_mount() at netbsd:ffs_mount+0x1ed
VFS_MOUNT() at netbsd:VFS_MOUNT+0x44
do_sys_mount() at netbsd:do_sys_mount+0x62b
sys___mount50() at netbsd:sys___mount50+0x33
syscall() at netbsd:syscall+0xb6
db{1}> mach cpu 0
using CPU 0
db{1}> tr
_kernel_lock() at netbsd:_kernel_lock+0xd0
intr_biglock_wrapper() at netbsd:intr_biglock_wrapper+0x16
Xintr_ioapic_level3() at netbsd:Xintr_ioapic_level3+0xf7
--- interrupt ---
x86_mwait() at netbsd:x86_mwait+0xd
idle_loop() at netbsd:idle_loop+0x18e
db{1}> 

It's likely that this filesystem is a FFSv2. The filesystem was checked
clean (I ran a fsck on it just before mount).  any idea ? 

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           
Manuel.Bouyer%lip6.fr@localhost
     NetBSD: 26 ans d'experience feront toujours la difference
--


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