SUJ update

[Fabien Thomas]

	Hi Jeff,

Before sending the 'bad' part i would like to say that it is very useful and save me a lot of time after a crash.

I've updated the ports and there was no more space on the FS.
It end up with this backtrace (After one reboot the kernel crashed a second time with the same backtrace):

(kgdb) bt
#0  doadump () at /usr/home/fabient/fabient-sandbox/sys/kern/kern_shutdown.c:245
#1  0xc0a1a8fe in boot (howto=260) at /usr/home/fabient/fabient-sandbox/sys/kern/kern_shutdown.c:416
#2  0xc0a1ad4c in panic (fmt=Could not find the frame base for "panic".
) at /usr/home/fabient/fabient-sandbox/sys/kern/kern_shutdown.c:590
#3  0xc0d058b3 in remove_from_journal (wk=0xc4b4aa80) at /usr/home/fabient/fabient-sandbox/sys/ufs/ffs/ffs_softdep.c:2204
#4  0xc0d07ebb in cancel_jaddref (jaddref=0xc4b4aa80, inodedep=0xc46bed00, wkhd=0xc46bed5c)
    at /usr/home/fabient/fabient-sandbox/sys/ufs/ffs/ffs_softdep.c:3336
#5  0xc0d09401 in softdep_revert_mkdir (dp=0xc46ba6cc, ip=0xc4bba244)
    at /usr/home/fabient/fabient-sandbox/sys/ufs/ffs/ffs_softdep.c:3898
#6  0xc0d37c49 in ufs_mkdir (ap=0xc8510b2c) at /usr/home/fabient/fabient-sandbox/sys/ufs/ufs/ufs_vnops.c:1973
#7  0xc0e7bc6e in VOP_MKDIR_APV (vop=0xc1085ea0, a=0xc8510b2c) at vnode_if.c:1534
#8  0xc0add64a in VOP_MKDIR (dvp=0xc485e990, vpp=0xc8510bec, cnp=0xc8510c00, vap=0xc8510b6c) at vnode_if.h:665
#9  0xc0add58f in kern_mkdirat (td=0xc4649720, fd=-100, path=0x804e9a0 <Address 0x804e9a0 out of bounds>, 
    segflg=UIO_USERSPACE, mode=448) at /usr/home/fabient/fabient-sandbox/sys/kern/vfs_syscalls.c:3783
#10 0xc0add2fe in kern_mkdir (td=0xc4649720, path=0x804e9a0 <Address 0x804e9a0 out of bounds>, segflg=UIO_USERSPACE, mode=448)
    at /usr/home/fabient/fabient-sandbox/sys/kern/vfs_syscalls.c:3727
#11 0xc0add289 in mkdir (td=0xc4649720, uap=0x0) at /usr/home/fabient/fabient-sandbox/sys/kern/vfs_syscalls.c:3706
#12 0xc0e5324b in syscall (frame=0xc8510d38) at /usr/home/fabient/fabient-sandbox/sys/i386/i386/trap.c:1116
#13 0xc0e2b3c0 in Xint0x80_syscall () at /usr/home/fabient/fabient-sandbox/sys/i386/i386/exception.s:261
#14 0x00000033 in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb) 

Regards,
Fabien


> Hello,
> 
> I fixed a few SUJ bugs.  If those of you who reported one of the following bugs could re-test I would greatly appreciate it.
> 
> 1)  panic on gnome start via softdep_cancel_link().
> 2)  Difficulty setting flags on /.  This can only be done from a direct boot into single user but there were problems with tunefs that could lead to the kernel and disk becoming out of sync with filesystem state.
> 3)  Kernel compiles without SOFTUPDATES defined in the config now work.
> 
> I have had some reports of a hang waiting on journal space with certain types of activity.  I have only had this reported twice and I am not able to reproduce no matter how much load I throw at the machine.  If you reproduce this please try to get a coredump or minidump.
> 
> Thanks,
> Jeff
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