Re: [Qemu-devel] Clarification about qemu-fast (was segfaults in fc1)

[Christof Petig]

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Jean-Michel POURE schrieb:
| Le mercredi 23 Juin 2004 18:50, Jim C. Brown a écrit :
|
|>That is not exactly true. Qemu works fine for me, even when I start it
when
|>I am offline. However I use VDE/tuntap and do have a local area
network, so
|>it is possible that qemu requires a network connection to function
|>correctly (IIRC since 0.5.5 qemu uses -user-net by default if it can not
|>access tuntap, and -dummy-net by default for earlier versions). Of course
|>tuntap requires that you have an actual ethernet card to work....
|>
|>BTW if you are using the Windows port, you might be better off using
|>-dummy-net or -user-net ... I vaguely recall that one of the reasons
|>-user-net was introduced was because it was so hard to set up networking
|>with qemu when Windows was the host OS.
|
|
| Can anyone confirm the same problems with -user-net as described here:

I can confirm a different problem with -user-net:

I only once got a working ftp connection between the guest (win95) and
the host (debian sid/powerpc). This happened when I debugged the
ethernet card (DEBUG_NE2000) [perhaps I set -O0 -g]. I was unable to
repeat this success so far. [Will try again with -O0 -g]

Given the reports about slirp miscompiling with -O2 (or without
- -fno-strict-aliasing) I would look there for the guilt. [I looked there
and turned my eyes away quickly]

~   Christof
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