Control: retitle -1 qemu-user-armel: tcg fatal error in
do_constant_folding_cond_eq
Control: tag -1 + moreinfo
27.04.2013 01:28, Edward J. Shornock wrote:
> Package: qemu-user-static
> Version: 1.4.0+dfsg-2exp
> Severity: normal
>
> I'm using qemu-user-static with sbuild in order to build armel packages on my
> amd64
> system.
>
> While installing build-deps I received the following:
>
> Setting up junit4 (4.10-3) ...
> Setting up sbuild-build-depends-service-wrapper-java-dummy (0.invalid.0) ...
> Setting up ca-certificates-java (20121112+nmu2) ...
> /build/buildd-qemu_1.4.0+dfsg-2exp-amd64-r9ctKZ/qemu-1.4.0+dfsg/tcg/optimize.c:381:
> tcg fatal error
[armel system]
Please provide some way to reproduce this issue, fastest/smaller preferrable.
This is coming from this piece of code:
static bool do_constant_folding_cond_eq(TCGCond c)
{
switch (c) {
case TCG_COND_GT:
case TCG_COND_LTU:
case TCG_COND_LT:
case TCG_COND_GTU:
case TCG_COND_NE:
return 0;
case TCG_COND_GE:
case TCG_COND_GEU:
case TCG_COND_LE:
case TCG_COND_LEU:
case TCG_COND_EQ:
return 1;
default:
tcg_abort(); <==== here
}
}
so it looks like the instruction stream being optimized is corrupt somehow.
So the easier the reproducer is, the more chances we have to track it down.
Finding corruptions isn't easy usually.
Thanks,
/mjt
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