In article <060615210851.M0111936@mirage.ceres.dti.ne.jp>
I wrote:

> In article <051231160028.M0109778@mirage.ceres.dti.ne.jp>
> I wrote last year:
> 
> > Okay, I get the similar panic on getting a 512MB file from i386
> > even on -current kernel.
> > ---
> > trap: TLB miss (load or instr. fetch) in kernel mode
> > status=0x2403, cause=0x8008, epc=0x801ad350, vaddr=0xcc3ce000
> > pid=6260 cmd=ftpd usp=0x7fffccc8 ksp=0xcc3dfad0
> > Stopped in pid 6260.1 (ftpd) at netbsd:r5k_pdcache_wb_range_32+0x9c:    cache   0x19,0x3c0(a0)
> > db> tr
> > r5k_pdcache_wb_range_32+9c (cc3cdc40,cc3ce200,5ea,5ea) ra 801b598c sz 0
> > 801b58dc+b0 (cc3cdc40,cc3ce200,5ea,5ea) ra 0 sz 0
> > User-level: pid 6260.1
> > db>
> > ---
> > 
> > I guess this is a different problem (data corruption) fixed in 3.0
> > recently, and maybe Rm5200 (or R5000) specific.
> > 
> > I'll track what is going later.
> 
> After a bunch of tests with various attempts in ~six months,
> adding "options SOSEND_NO_LOAN" seems to fix this problem.

If there is no objection (and no proper fix is provided),
I'll add this "options SOSEND_NO_LOAN" to cobalt/conf/GENERIC
and cobalt/conf/INSTALL for workaround in a few days.
---
Izumi Tsutsui