On Thu, Jul 9, 2020 at 12:57 AM Gerd Hoffmann wrote:
> > Starting at line 1746 is the first CBW, it's for an Inquiry command.
> >
> > Starting at line 1759 is the response, notice at line 1761 the MSD debug
> > says "Data in 64/36", which is strange.
>
> Not really. First is the packet size, sec
> Starting at line 1746 is the first CBW, it's for an Inquiry command.
>
> Starting at line 1759 is the response, notice at line 1761 the MSD debug
> says "Data in 64/36", which is strange.
Not really. First is the packet size, second is the (remaining) data
size. Inquiry data is 36 bytes, and
On Wed, Jul 8, 2020 at 3:30 AM Gerd Hoffmann wrote:
> Hi,
>
> > IIRC, without the dev-storage patch, the very first SCSI command
> > would get stuck waiting for the CSW, because the CSW is not a
> > multiple of MPS. I will have to work on getting a debug trace for
> > you, I'll get back to you
Hi,
> > Why does 7ad3d51ebb8a522ffcad391c4bef281245739dde look at short-not-ok?
>
> Because the patch changes dev-storage to terminate the transfer if a
> short packet is received, so I figured 'short-not-ok' should affect
> that behavior.
I don't think so. dev-storage should not need to look
Hi,
> IIRC, without the dev-storage patch, the very first SCSI command
> would get stuck waiting for the CSW, because the CSW is not a
> multiple of MPS. I will have to work on getting a debug trace for
> you, I'll get back to you with that.
Hmm, dev-storage should be fine with the packet being
On Wed, Jul 8, 2020 at 12:29 AM Gerd Hoffmann wrote:
> Hi,
>
> > > Why does 7ad3d51ebb8a522ffcad391c4bef281245739dde look at short-not-ok?
> >
> > Because the patch changes dev-storage to terminate the transfer if a
> > short packet is received, so I figured 'short-not-ok' should affect
> > tha
On Tue, Jul 7, 2020 at 12:57 AM Gerd Hoffmann wrote:
> Hi,
> >
> > Gerd, do you know the purpose of the 'short_not_ok' parameter to
> > usb_packet_setup()?
>
> Well, some usb host controllers have a flag in the transfer control
> blocks to indicate the host controller should stop processing req
Hi,
>
> Gerd, do you know the purpose of the 'short_not_ok' parameter to
> usb_packet_setup()?
Well, some usb host controllers have a flag in the transfer control
blocks to indicate the host controller should stop processing requests
in case of a short transfer.
The usb core uses the flag to j
On 7/6/20 3:21 PM, Paul Zimmerman wrote:
On Sat, Jul 4, 2020 at 11:24 AM Paul Zimmerman mailto:pauld...@gmail.com>> wrote:
On Sat, Jul 4, 2020 at 11:21 AM Sai Pavan Boddu mailto:saip...@xilinx.com>> wrote:
Hi,
__ __
We are seeing some errors when a usb-stora
On Sat, Jul 4, 2020 at 11:24 AM Paul Zimmerman wrote:
>
>
> On Sat, Jul 4, 2020 at 11:21 AM Sai Pavan Boddu
> wrote:
>
>> Hi,
>>
>>
>>
>> We are seeing some errors when a usb-storage device is formatted or
>> mounted on the guest. Below is commit I have bisected it.
>>
>>
>>
>> **
>>
Hi,
We are seeing some errors when a usb-storage device is formatted or mounted on
the guest. Below is commit I have bisected it.
**
Errors:
/ # mount /dev/sda /mnt
[New Thread 0x7fffd4680700 (LWP 23270)]
[ 33.258454] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 using
xhci
On Sat, Jul 4, 2020 at 11:21 AM Sai Pavan Boddu wrote:
> Hi,
>
>
>
> We are seeing some errors when a usb-storage device is formatted or
> mounted on the guest. Below is commit I have bisected it.
>
>
>
> **
>
> Errors:
>
>
>
> / # mount /dev/sda /mnt
>
> [New Thread 0x7fffd4680700 (L
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