panic: assertion "m->flags & PG_BUSY" failed

Link to this paste: http://bugs.dragonflybsd.org/pastes/384

Added by tuxillo over 2 years ago.
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reblock start 8000000000000000:0000 free level 0
vnode_pager_putpages: I/O error 28
vnode_pager_putpages: residual I/O 4096 at 0
panic: assertion "m->flags & PG_BUSY" failed in vm_page_protect at /home/source/dfbsd/sys/vm/vm_page.h:529
cpuid = 0
Trace beginning at frame 0x1002c248580
panic() at 0x4b310e
panic() at 0x4b310e
vm_object_madvise() at 0x64fdfb
vm_object_madvise() at 0x64ffbd
vm_page_rb_tree_RB_SCAN() at 0x6538c0
vm_object_page_clean() at 0x64f03f
vm_map_clean() at 0x6484bc
sys_msync() at 0x64db4c
syscall2() at 0x677aae
user_trap() at 0x677dc7
go_user() at 0x6782f2
Debugger("panic")

CPU0 stopping CPUs: 0x000000000000000e
 stopped
Stopped at      0x6749ad:       movb    $0,0x1ae96b8(%rip)
db>

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