From: "Collin L. Walling" <walling@linux.vnet.ibm.com>
To: Thomas Huth <thuth@redhat.com>,
Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
qemu-s390x@nongnu.org, qemu-devel@nongnu.org
Cc: alifm@linux.vnet.ibm.com, frankja@linux.vnet.ibm.com,
cohuck@redhat.com, david@redhat.com
Subject: Re: [Qemu-devel] [PATCH v8 00/13] Interactive Boot Menu for DASD and SCSI Guests on s390x
Date: Fri, 23 Feb 2018 10:03:45 -0500 [thread overview]
Message-ID: <31ed867c-8ce4-576a-8e17-4cad1e7877c1@linux.vnet.ibm.com> (raw)
In-Reply-To: <e685de9a-d216-3d73-0ea3-b0d193a7f79e@redhat.com>
On 02/23/2018 08:33 AM, Thomas Huth wrote:
> On 23.02.2018 12:50, Viktor Mihajlovski wrote:
>> On 23.02.2018 11:17, Thomas Huth wrote:
>>> On 23.02.2018 09:53, Christian Borntraeger wrote:
>>>> Hmmm, on my ubuntu 16.04 guest, I get the boot menu with no timeout even if I do not
>>>> specify loadparm or boot menu:
>>>>
>>>> qemu-kvm -drive file=/var/lib/libvirt/qemu/image.zhyp140,if=none,id=d1 -device virtio-blk-ccw,drive=d1,bootindex=1
>>> I can reproduce this now, too. FWIW: It only happens with
>>> virtio-blk-ccw, not with virtio-scsi-ccw (that's why I did not notice it
>>> first). Collin, can you reproduce this, too?
>>>
>>> Thomas
>>> The idea is to support the zipl boot menu on ECKD disks (which have a timeout by themselves)
>> even without switching the boot menu on. This is to have the same behavior as one would see
>> on LPAR or z/VM.
>> The issue is that the boot code tries to interpret the program table of SCSI bootmaps as if
>> a boot menu has been specified.
> Ok, thanks for the explanation, makes sense now.
>
> Collin, could you please spin a v9 with the required changes included?
>
> Thanks,
> Thomas
>
>
I see. I overlooked that we could treat a SCSI device as a CCW device.
The proposed change makes sense.
I'll respin 9 and reply to this chain.
--
- Collin L Walling
prev parent reply other threads:[~2018-02-23 15:03 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-21 19:35 [Qemu-devel] [PATCH v8 00/13] Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 01/13] s390-ccw: refactor boot map table code Collin L. Walling
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 02/13] s390-ccw: refactor eckd_block_num to use CHS Collin L. Walling
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 03/13] s390-ccw: refactor IPL structs Collin L. Walling
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 04/13] s390-ccw: update libc Collin L. Walling
2018-02-22 4:30 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 05/13] s390-ccw: move auxiliary IPL data to separate location Collin L. Walling
2018-02-22 4:40 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-02-22 8:38 ` Viktor Mihajlovski
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 06/13] s390-ccw: parse and set boot menu options Collin L. Walling
2018-02-22 5:32 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 07/13] s390-ccw: set up interactive boot menu parameters Collin L. Walling
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 08/13] s390-ccw: read stage2 boot loader data to find menu Collin L. Walling
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 09/13] s390-ccw: print zipl boot menu Collin L. Walling
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 10/13] s390-ccw: read user input for boot index via the SCLP console Collin L. Walling
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 11/13] s390-ccw: set cp_receive mask only when needed and consume pending service irqs Collin L. Walling
2018-02-22 6:19 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 12/13] s390-ccw: use zipl values when no boot menu options are present Collin L. Walling
2018-02-22 6:27 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-02-21 19:35 ` [Qemu-devel] [PATCH v8 13/13] s390-ccw: interactive boot menu for scsi Collin L. Walling
2018-02-22 6:34 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-02-22 11:51 ` [Qemu-devel] [PATCH v8 00/13] Interactive Boot Menu for DASD and SCSI Guests on s390x Christian Borntraeger
2018-02-22 12:23 ` Viktor Mihajlovski
2018-02-22 15:40 ` [Qemu-devel] [qemu-s390x] " Collin L. Walling
2018-02-22 15:44 ` Christian Borntraeger
2018-02-22 16:45 ` Collin L. Walling
2018-02-22 19:40 ` Collin L. Walling
2018-02-23 10:07 ` Thomas Huth
2018-02-23 10:11 ` Christian Borntraeger
2018-02-23 14:57 ` Collin L. Walling
2018-02-23 14:59 ` Collin L. Walling
2018-02-23 15:01 ` Christian Borntraeger
2018-02-22 12:42 ` Thomas Huth
2018-02-23 8:53 ` [Qemu-devel] " Christian Borntraeger
2018-02-23 10:17 ` Thomas Huth
2018-02-23 11:50 ` Viktor Mihajlovski
2018-02-23 13:33 ` Thomas Huth
2018-02-23 15:03 ` Collin L. Walling [this message]
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