Konstantin Belousov wrote: > On Mon, Jun 25, 2012 at 10:03:28AM +0800, Kevin Lo wrote: > > I've observed a panic in recent -current several times but I only > > have a picture of the backtrace: > > http://people.freebsd.org/~kevlo/panic_tmpfs.jpg > > > > Does this look at all familiar to anyone? > > Can you look up the line corresponding to tmpfs_reg_resize + 0x627 address > in your kernel ?
Sure. > The screenshot looks strange. The instruction on which the kernel trapped > is int 0x28 which should not appear in the compiled code. # gdb tmpfs.ko (gdb) l *tmpfs_reg_resize+0x627 0xbf37 is in tmpfs_reg_resize (/usr/src/sys/modules/tmpfs/../../fs/tmpfs/tmpfs_subr.c:1005). 1000 in /usr/src/sys/modules/tmpfs/../../fs/tmpfs/tmpfs_subr.c In tmpfs_subr.c: 999 if (m != NULL) { 1000 if ((m->oflags & VPO_BUSY) != 0 || 1001 m->busy != 0) { 1002 vm_page_sleep(m, "tmfssz"); 1003 goto retry; 1004 } 1005 MPASS(m->valid == VM_PAGE_BITS_ALL); 1006 } else if (vm_pager_has_page(uobj, idx, NULL, NU LL)) { Thanks! Kevin _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"