panic: mutex process lock not owned at../../../kern/sys_process.c:97

[Terry Lambert]

Robert Watson wrote:
> Try moving the PROC_UNLOCK() call from line 79 to just after line 84
> (i.e., before the error check and possible uiomove()).  It looks like some
> similar bugs might exist in other bits of procfs.  I've attached a patch
> that tries to more generally handle use of the proc lock more properly
> with uiomove(), but might also not be perfect.

You last patch there is exactly the patch I suggested for a
similar problem, last week.

-- Terry