[panda-users] Replay error

[Manolis Stamatogiannakis]

I'll take a lucky shot: Is "-cpu core2duo" supported?
IIRC, I've read somewhere that only 1 CPU is currently supported.

Best,
Manolis

2015-02-05 20:18 GMT+01:00 Leek, Timothy - 0559 - MITLL <tleek at ll.mit.edu>:

> Hi Evan.  Dos it replay with any plugins?  That is, if you remove the
> –panda replaymovie part?
>
> Also, you shouldn’t need to specify the –hda windowsxp.img for replay.
>
>
> From:  <Downing>, Evan P <edowning3 at gatech.edu>
> Date:  Thursday, February 5, 2015 at 2:09 PM
> To:  "panda-users at mit.edu" <panda-users at mit.edu>
> Subject:  [panda-users] Replay error
>
>
> Hey all,
>
>
> I recorded a session with PANDA and now I'm attempting to replay it back
> using the plugin 'replaymovie' (I've been able to get replay to work
> successfully before with a different recording session, so I'm confused as
> to why it won't work for this one).
>
>
> I recorded it by using the following:
>
>     $ sudo ./panda/qemu/x86_64-softmmu/qemu-system-x86_64 -cpu core2duo
> -hda windowsxp.img  -vga std -net
> nic,macaddr=02:00:00:00:00:01,model=rtl8139 -net tap,script=no,ifname=vm0
> -vnc :0 -snapshot -monitor stdio
>
>     (qemu) being_record evan_test
>
>     ​(qemu) end_record
>
>
>     (No errors seen while recording.)
>
>
>
> I'm attempting to replay it:
>
>     $ sudo ./panda/qemu/x86_64-softmmu/qemu-system-x86_64 -cpu core2duo
> -vga std -net nic,macaddr=02:00:00:00:00:01,model=rtl8139 -net
> tap,script=no,ifname=vm0 -vnc :0 -replay evan_test -panda ‘replaymovie'
>
>
> The error I receive:
>
>
> adding
> /home/evan/panda/qemu/x86_64-softmmu/panda_plugins/panda_replaymovie.so to
> panda_plugin_files 0
> loading
> /home/evan/panda/qemu/x86_64-softmmu/panda_plugins/panda_replaymovie.so
> Success
> loading snapshot
> ... done.
>
> Logging all cpu states
>
> [A bunch of stuff here. Processes 19% of instructions successfully.]
>
> RR rr_assertion `0' failed at /home/evan/panda/qemu/rr_log.c:1025
> Current log point:
> {guest_instr_count=7600686304 pc=0x806d2797, secondary=0x80d1c0ec}
> Next log entry type: RR_INPUT_4
> Current replay point:
> {guest_instr_count=7600686299 pc=0x806d2797, secondary=0x80d1c0ec}
>
>
>
>
>
> In the source code for "rr_log.c" where the error occurred, it says "mz
> we're trying to replay too early or we have the wrong kind of rr_nondet_log
>  entry. this is cause for failure."
>
> Can someone help me determine why this happened?
>
>
> Thanks,
>
> Evan
>
>
>
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>
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