Re: Bug#550898: DASD DIAG driver doesn't work for read-only minidisks (s390, s390x only)

To: Stephen Powell <zlinuxman@wowway.com>
Cc: 550898@bugs.debian.org, debian-s390@lists.debian.org
Subject: Re: Bug#550898: DASD DIAG driver doesn't work for read-only minidisks (s390, s390x only)
From: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Date: Fri, 16 Oct 2009 12:31:31 +0200
Message-id: <4AD84B83.8010904@linux.vnet.ibm.com>
In-reply-to: <195559484.8928531255471497833.JavaMail.root@md01.wow.synacor.com>
References: <195559484.8928531255471497833.JavaMail.root@md01.wow.synacor.com>

Stephen Powell wrote:

When using the DASD DIAG driver with a read-only minidisk, the
initialize function of DIAG X'250' fails.  The error message produced
goes something like this:

dasd(diag) 0.0.0404: DIAG initialization failed (rc=4)
dasd_generic couldn't online device 0.0.0404 with discipline DIAG rc=-5

FYI: The DASD device driver maintainers are aware of this problem andwill provide a fix for the upstream version of the Linux kernel with thenext merge window (2.6.33). Should you need the fix for an earlierversion, someone at Debian will need to port that fix back to therespective levels.



Regards,
  Peter Oberparleiter

Reply to:

References:
- Bug#550898: DASD DIAG driver doesn't work for read-only minidisks (s390, s390x only)
  - From: Stephen Powell <zlinuxman@wowway.com>

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