From: Gerd Hoffmann <kraxel@redhat.com>
To: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-devel@nongnu.org, Christoph Hellwig <hch@lst.de>,
Markus Armbruster <armbru@redhat.com>
Subject: Re: [Qemu-devel] Re: [PATCH 08/12] block: Catch attempt to attach multiple devices to a blockdev
Date: Tue, 29 Jun 2010 10:06:43 +0200 [thread overview]
Message-ID: <4C29A993.4030708@redhat.com> (raw)
In-Reply-To: <4C285C51.9020003@redhat.com>
Hi,
>> Note that currently the usb storage emulation is extremly broken anyway,
>> just writing to it produces I/O errors after a short while. This means
>> it can't be used very much at all.
>
> When I tried last time, it did produce lots of kernel error messages in
> the guest, but in the end the data was written correctly. So it doesn't
> seem to be completely unusable.
I think it is actually the linux kernel being at fault here. I've seen
I/O errors on real hardware too, on my pretty old laptop which has usb
1.1 only. Probably something like timeouts being *way* too low for usb
1.1 xfer speeds.
cheers,
Gerd
next prev parent reply other threads:[~2010-06-29 8:07 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-25 16:53 [Qemu-devel] [PATCH 00/12] More block-related fixes and cleanups Markus Armbruster
2010-06-25 16:53 ` [Qemu-devel] [PATCH 01/12] scsi: scsi_bus_legacy_handle_cmdline() can fail, fix callers Markus Armbruster
2010-06-25 19:39 ` [Qemu-devel] " Christoph Hellwig
2010-06-25 16:53 ` [Qemu-devel] [PATCH 02/12] ide: Make it explicit that ide_create_drive() can't fail Markus Armbruster
2010-06-25 19:40 ` [Qemu-devel] " Christoph Hellwig
2010-06-25 16:53 ` [Qemu-devel] [PATCH 03/12] blockdev: Remove drive_get_serial() Markus Armbruster
2010-06-25 19:41 ` [Qemu-devel] " Christoph Hellwig
2010-06-25 16:53 ` [Qemu-devel] [PATCH 04/12] blockdev: New drive_of_blockdev() Markus Armbruster
2010-06-25 19:42 ` [Qemu-devel] " Christoph Hellwig
2010-06-26 5:32 ` Markus Armbruster
2010-06-26 9:46 ` Christoph Hellwig
2010-06-26 14:46 ` Markus Armbruster
2010-06-27 9:36 ` Christoph Hellwig
2010-06-28 9:58 ` Paolo Bonzini
2010-06-29 8:57 ` Markus Armbruster
2010-06-25 16:53 ` [Qemu-devel] [PATCH 05/12] blockdev: Clean up automatic drive deletion Markus Armbruster
2010-06-26 9:48 ` [Qemu-devel] " Christoph Hellwig
2010-06-25 16:53 ` [Qemu-devel] [PATCH 06/12] qdev: Decouple qdev_prop_drive from DriveInfo Markus Armbruster
2010-06-26 10:09 ` [Qemu-devel] " Christoph Hellwig
2010-06-25 16:53 ` [Qemu-devel] [PATCH 07/12] blockdev: drive_get_by_id() is no longer used, remove Markus Armbruster
2010-06-26 10:09 ` [Qemu-devel] " Christoph Hellwig
2010-06-25 16:53 ` [Qemu-devel] [PATCH 08/12] block: Catch attempt to attach multiple devices to a blockdev Markus Armbruster
2010-06-26 10:11 ` [Qemu-devel] " Christoph Hellwig
2010-06-26 14:44 ` Markus Armbruster
2010-06-27 9:36 ` Christoph Hellwig
2010-06-28 8:24 ` Kevin Wolf
2010-06-28 10:16 ` Christoph Hellwig
2010-06-28 10:26 ` Kevin Wolf
2010-06-30 11:52 ` Markus Armbruster
2010-06-30 12:13 ` Kevin Wolf
2010-06-29 8:06 ` Gerd Hoffmann [this message]
2010-06-30 11:33 ` Markus Armbruster
2010-06-29 13:32 ` Kevin Wolf
2010-06-29 14:29 ` Markus Armbruster
2010-06-29 14:58 ` [Qemu-devel] [PATCH v2 " Markus Armbruster
2010-06-25 16:53 ` [Qemu-devel] [PATCH 09/12] savevm: Survive hot-unplug of snapshot device Markus Armbruster
2010-06-26 10:12 ` [Qemu-devel] " Christoph Hellwig
2010-06-30 11:28 ` Markus Armbruster
2010-06-30 13:37 ` Kevin Wolf
2010-06-30 16:34 ` Markus Armbruster
2010-06-25 16:53 ` [Qemu-devel] [PATCH 10/12] block: Fix virtual media change for if=none Markus Armbruster
2010-06-26 10:14 ` [Qemu-devel] " Christoph Hellwig
2010-06-25 16:53 ` [Qemu-devel] [PATCH 11/12] ide: Make PIIX and ISA IDE init functions return the qdev Markus Armbruster
2010-06-26 10:14 ` [Qemu-devel] " Christoph Hellwig
2010-06-25 16:53 ` [Qemu-devel] [PATCH 12/12] pc: Fix CMOS info for drives defined with -device Markus Armbruster
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