From: Gerd Hoffmann <kraxel@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 10/13] Implement scsi device destruction
Date: Fri, 25 Sep 2009 16:54:07 +0200 [thread overview]
Message-ID: <4ABCD98F.9040006@redhat.com> (raw)
In-Reply-To: <87iqf72mqm.fsf@pike.pond.sub.org>
Hi,
>> To extend that question: While playing with that I've noticed linux
>> does not automagically find the a scsi disk hot-plugged in. After
>> reboot (and the scsi bus rescan triggered by that) it finds the
>> disk. Reloading the driver module probably would have worked too. We
>> don't signal the guest in any way it got a new disk, so this isn't
>> exactly surprising. Is this just a emulation limitation? Or a
>> limitation of the emulated scsi host adapters?
>
> What appens when you hotplug or just switch on a real SCSI device? Does
> Linux pick it up automatically? Long ago when I last tried that, I
> think I had to do a magic write to sysfs to make it look for the device.
Old, classic, parallel scsi (with the 50wire cable) works that way.
But IIRC there are also more modern variants which can handle hotplug.
Dunno how that works though and whenever we could do that with the lsi
adapter we are emulating ...
cheers,
Gerd
next prev parent reply other threads:[~2009-09-25 14:54 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-22 9:29 [Qemu-devel] [PATCH 00/13] qdev: bus management updates Gerd Hoffmann
2009-09-22 9:29 ` [Qemu-devel] [PATCH 01/13] allow qdev busses allocations be inplace Gerd Hoffmann
2009-09-22 9:29 ` [Qemu-devel] [PATCH 02/13] switch scsi bus to inplace allocation Gerd Hoffmann
2009-09-22 9:29 ` [Qemu-devel] [PATCH 03/13] switch usb " Gerd Hoffmann
2009-09-22 9:29 ` [Qemu-devel] [PATCH 04/13] switch ide " Gerd Hoffmann
2009-09-22 9:29 ` [Qemu-devel] [PATCH 05/13] inplace allocation for pci, split irq init Gerd Hoffmann
2009-09-22 9:29 ` [Qemu-devel] [PATCH 06/13] convert pci bridge to qdev Gerd Hoffmann
2009-09-23 16:02 ` Michael S. Tsirkin
2009-09-24 18:29 ` Markus Armbruster
2009-09-24 18:51 ` Michael S. Tsirkin
2009-09-25 7:19 ` Gerd Hoffmann
2009-09-22 9:29 ` [Qemu-devel] [PATCH 07/13] piix_pci: kill PIIX3IrqState Gerd Hoffmann
2009-09-24 18:42 ` Markus Armbruster
2009-09-25 7:24 ` Gerd Hoffmann
2009-09-22 9:29 ` [Qemu-devel] [PATCH 08/13] qdev: device free fixups Gerd Hoffmann
2009-09-24 18:55 ` Markus Armbruster
2009-09-22 9:29 ` [Qemu-devel] [PATCH 09/13] Add exit callback to DeviceInfo Gerd Hoffmann
2009-09-22 10:06 ` Christoph Egger
2009-09-22 10:19 ` Gerd Hoffmann
2009-09-24 19:02 ` Markus Armbruster
2009-09-25 7:33 ` Gerd Hoffmann
2009-09-22 9:29 ` [Qemu-devel] [PATCH 10/13] Implement scsi device destruction Gerd Hoffmann
2009-09-24 19:15 ` Markus Armbruster
2009-09-25 7:45 ` Gerd Hoffmann
2009-09-25 13:10 ` Markus Armbruster
2009-09-25 14:54 ` Gerd Hoffmann [this message]
2009-09-25 15:59 ` Artyom Tarasenko
2009-09-25 16:31 ` Markus Armbruster
2009-09-22 9:29 ` [Qemu-devel] [PATCH 11/13] pci: use qdev for " Gerd Hoffmann
2009-09-22 9:29 ` [Qemu-devel] [PATCH 12/13] pci: move unregister from PCIDevice to PCIDeviceInfo Gerd Hoffmann
2009-09-23 15:58 ` Michael S. Tsirkin
2009-09-25 7:49 ` Gerd Hoffmann
2009-09-29 15:50 ` Michael S. Tsirkin
2009-09-29 18:16 ` Gerd Hoffmann
2009-09-22 9:29 ` [Qemu-devel] [PATCH 13/13] usb: hook unplug into qdev, cleanups + fixes Gerd Hoffmann
2009-09-24 19:18 ` [Qemu-devel] [PATCH 00/13] qdev: bus management updates Markus Armbruster
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