qemu coredumps on RELENG_7

[Oliver Fromme]

D Hill <d.hill at yournetplus.com> wrote:
 > Rick C. Petty wrote:
 > > Oliver Fromme wrote:
 > > > Kostik Belousov wrote:
 > > > > 
 > > > > Definitely,
 > > > > kldload aio
 > > > > before running qemu.
 > > > 
 > > > Thank you, that seems to solve the problem indeed.
 > > > Is that documented somewhere?  It's not in the manpage.
 > > > I think it should be in the manpage ...  would have
 > > > saved me quite some time.
 > > 
 > > Nope.  It should be, or at least qemu should fail to start or at least
 > > print a message instead of just randomly failing.

Definitely.

 > > I ran into the same problem and only after spending hours trying to get it
 > > to work did I remember to kldload aio.
 > 
 > I don't know if this applies. However, I found this in 
 > /usr/ports/UPDATING:
 > 
 > 20070206:

It applies, but I think someone who installs qemu now
isn't supposed to read UPDATING all the way back to
February 2007.  In fact, for fresh installs you should
not have to read UPDATING _at_ _all_.

Important information like this should be in the manual
page, and -- as Rick pointed out -- the failure mode is
pathetic.  It should print a useful error message right
at the start instead of randomly failing later.

Best regards
   Oliver

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