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Date:      Wed, 05 Aug 2020 22:27:35 +0000
From:      "Bjoern A. Zeeb" <bz@FreeBSD.org>
To:        "Emmanuel Vadot" <manu@FreeBSD.org>, "Warner Losh" <imp@bsdimp.com>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r363862 - head/sys/cam/mmc
Message-ID:  <676873E2-9199-4EE5-ADEF-59A8F9E1308B@FreeBSD.org>
In-Reply-To: <202008042004.074K40ls016193@repo.freebsd.org>
References:  <202008042004.074K40ls016193@repo.freebsd.org>

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On 4 Aug 2020, at 20:04, Emmanuel Vadot wrote:

> Author: manu
> Date: Tue Aug  4 20:04:00 2020
> New Revision: 363862
> URL: https://svnweb.freebsd.org/changeset/base/363862
>
> Log:
>   mmccam: Hold the periph during init
>
>   We need to sleep during this routine so acquire the cam hold too.

Turns out that with this my /dev/sddaX.. device nodes are never created.
Reverting this and things work a lot better again.


>
>   Reviewed by:	imp
>   Differential Revision:	https://reviews.freebsd.org/D25946
>
> Modified:
>   head/sys/cam/mmc/mmc_da.c
>
> Modified: head/sys/cam/mmc/mmc_da.c
> ==============================================================================
> --- head/sys/cam/mmc/mmc_da.c	Tue Aug  4 20:02:23 2020	(r363861)
> +++ head/sys/cam/mmc/mmc_da.c	Tue Aug  4 20:04:00 2020	(r363862)
> @@ -1109,7 +1109,9 @@ sdda_start_init_task(void *context, int pending) 
> {
>  		      CAM_PRIORITY_NONE);
>
>  	cam_periph_lock(periph);
> +	cam_periph_hold(periph, PRIBIO|PCATCH);
>  	sdda_start_init(context, new_ccb);
> +	cam_periph_unhold(periph);
>  	cam_periph_unlock(periph);
>  	xpt_free_ccb(new_ccb);
>  }



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