Re: [Qemu-devel] [PATCH] EHCI support - device recognized, but no data

[Jan Kiszka <jan.kiszka@web.de>]

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Kevin Wolf wrote:
> Am Freitag, 5. März 2010 04:17 schrieb David S. Ahern:
>> Jan:
>>
>> 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 within
>> the guest (FC-12):
> 
> Looks very nice. Actually I could access the file system on my USB stick. I 
> have pushed your patch along with some additional minor changes to 
> git://repo.or.cz/qemu/kevin.git ehci. Jan, you might want to pull from there.
> 

Merged, thanks.

Meanwhile I played with some more devices, and I think I found one
scenario that should be handy to debug: -usbdevice net. Apparently, it
does not work yet, my console is just flooded with

>>>>> ASYNC STATE MACHINE execute
000.005 exec: ctr is 1
000.004 exec: frindex is 488,3
000.004 setting qh.current from 0E0B21E0 to 0x0E0B21E0
000.005 Active non-interrupt QH, executing
000.003 pid is  1
000.00000.222 periodic state adv fr=490.  [0E0B37A8] -> 00000001
000.009 periodic state adv fr=490.  [0E0B37A8] -> 00000001
000.009

>>>>> ASYNC STATE MACHINE execute
000.006 exec: ctr is 1
000.003 exec: frindex is 490,2
000.005 setting qh.current from 0E0B21E0 to 0x0E0B21E0
000.004 Active non-interrupt QH, executing
000.004 pid is  1
000.004 calling dev->info->handle_packet
000.004 exit loop dev->info->handle_packet
000.003 Enter EXECUTING
000.004 USBTRAN RSP NAK, returning without clear active
000.004 finishing exec
000.004 Nak occured and RL != 0, dec NakCnt to -1
000.004 write QH to VM memory
000.203 periodic state adv fr=490.  [0E0B37A8] -> 00000001
000.008 periodic state adv fr=490.  [0E0B37A8] -> 00000001
000.009

Messages. The guest reports that it received one Ethernet packet, but
that's all, dhcpcd fails with a timeout. Already "ifconfig ethX up"
starts this flooding.

Jan


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