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Date: Sat, 06 Mar 2010 17:42:25 +0100
From: Jan Kiszka <jan.kiszka@web.de>
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Subject: [Qemu-devel] Re: [PATCH] EHCI support - device recognized,
	but no data
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To: "David S. Ahern" <daahern@cisco.com>
Cc: qemu-devel@nongnu.org

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David S. Ahern wrote:
> Jan:
>=20
> I spent some more time on the EHCI support today. With the attached
> patch (delta to the patch from yesterday) a USB key is recognized withi=
n
> the guest (FC-12):
>=20
> scsi 2:0:0:0: Direct-Access     Kingston DT HyperX        PMAP PQ: 0
> ANSI: 0 CCS
> sd 2:0:0:0: Attached scsi generic sg1 type 0
> sd 2:0:0:0: [sda] 15646720 512-byte logical blocks: (8.01 GB/7.46 GiB)
> sd 2:0:0:0: [sda] Write Protect is off
> sd 2:0:0:0: [sda] Mode Sense: 23 00 00 00
> sd 2:0:0:0: [sda] Assuming drive cache: write through
> sd 2:0:0:0: [sda] Assuming drive cache: write through
>  sda: sda1 sda2
> sd 2:0:0:0: [sda] Assuming drive cache: write through
> sd 2:0:0:0: [sda] Attached SCSI removable disk
>=20
>=20
> Unfortunately, fdisk fails to show any data. I'll be out for a few days=
,
> so I won't get back to this until next week.
>=20

Cool! Actually, I'm more lucky: I can access the flash of my mobile as a
mass storage. Performance (linear reading) is half of native if
debugging is disabled (0.5 vs. 1 MByte/s). But one try also caused an
"USB stall".

Patch committed. I will also look for some cleanups (build breaks for
non-x86 targets) and more tests soon.

Jan


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