Re: Latest evbmips/LOONGSON (Lemote Yeeloong) observations

On Thu, 16 Jul 2015, John D. Baker wrote:
> New:
> 
> Writes to 'ext2fs' filesystems via extraction of files by 'tar' causes
> system to hang requiring power-cycle (no diagnostic messages printed,
> dropping to DDB not possible).  (As of 7.99.1[5-8], it would print a
> diagnostic message, but that has been lost.)

Yay!  I mean, Oh No!  It just panicked and managed to produce the
diagnostic message.  This time elicited by 'cvs', but it took a while to
manifest.  Extracting, say, "etc.tgz" to an ext2fs destination will provoke
the failure almost instantly.

Message is:

panic: kernel diagnostic assertion "vp->v_type == VREG" failed: file "/x/current/src/sys/ufs/ext2fs/ext2fs_readwrite.c", line 286
kernel: breakpoint trap
Stopped in pid 16366.1 (cvs) at ffffffff8023d88c:	li	at,0x3
db> bt
980000008110f860: 0+ffffffff8023d88c (63061,0,0,ffffffff80668ef0) ra 0 sz 0
User-level: pid 16366.1
db>


My keystrokes at DDB's prompt seem to go ignored until I switch virtual
terminals with Ctrl-Alt-Fn and back.

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