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Re: [Qemu-devel] serial input with -serial stdio
From: |
Amit Shah |
Subject: |
Re: [Qemu-devel] serial input with -serial stdio |
Date: |
Mon, 27 Jun 2011 15:10:09 +0530 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Hello,
On (Fri) 24 Jun 2011 [02:22:44], Edgar E. Iglesias wrote:
> Hi,
>
> Tried to stream 2K of data into a guest via an emulated serial port backed
> by -serial stdio but it failed. Looks like data flows for a while, then
> suddenly even though the last call to can_rceive returns +, nothing comes.
> It works OK through TCP ports (-serial tcp::xxx,server + nc).
>
> I know this used to work before, last time I tried was about a year ago
> or so, maybe a little more. I suspect regression somewhere.
>
> I run qemu something like the following:
> cat file-with-ser-data | qemu-system-cris -kernel image -serial stdio
I've never used serial IO this way, so can't be sure.
> The serial port is hw/etraxfs_ser.c, can't find anything wrong there.
>
> Unfortunately I dont have much time at the moment to debug, so I tought
> I just throw this out to the list and hope that someone knows whats
> going on. Otherwise I'll debug later.
Let us know what you find.
Amit