Date: Tue, 03 Apr 2007 10:16:52 -0600 From: Scott Long <scottl@samsco.org> To: Alex Dupre <ale@freebsd.org> Cc: freebsd-scsi@freebsd.org, freebsd-current@freebsd.org Subject: Re: targclose doesn't return Message-ID: <46127DF4.5080703@samsco.org> In-Reply-To: <46126585.8080204@FreeBSD.org> References: <46126585.8080204@FreeBSD.org>
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Alex Dupre wrote:
> Hello,
> I found an incorrect behavior of the targ device on -CURRENT: closing
> the descriptor doesn't return. On -STABLE it works. I think to have
> identified the problem (or at least the change that exposed it) in the
> conditional msleep() call added into kern_conf.c to destroy_devl() in
> rev. 1.119.
>
> This is a simple testcase:
>
>
> #include <err.h>
> #include <fcntl.h>
>
> int
> main(int argc, char *argv[])
> {
> int targ_fd = open("/dev/targ0", O_RDWR);
>
> if (targ_fd < 0)
> err(1, "Do you have 'device targ' in your kernel?");
>
> close(targ_fd);
> }
>
Are there any other console messages from the targ driver? Can you
turn on CAMDEBUG and send us the trace of what is going on?
Scott
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