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authorChristian Krinitsin <mail@krinitsin.com>2025-07-07 17:23:11 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-07 17:23:11 +0000
commitc50b0c4da17b6e83640e4ed2380fffb5f507c846 (patch)
treeb4f203fce1380e2ea3578a784bb8ee060fe42cbd /results/classifier/zero-shot-user-mode/output/syscall/1689367
parent61361f925d4914a6608a0076e64cc2399311ed5f (diff)
downloademulator-bug-study-c50b0c4da17b6e83640e4ed2380fffb5f507c846.tar.gz
emulator-bug-study-c50b0c4da17b6e83640e4ed2380fffb5f507c846.zip
add zero-shot results
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diff --git a/results/classifier/zero-shot-user-mode/output/syscall/1689367 b/results/classifier/zero-shot-user-mode/output/syscall/1689367
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+syscall: 0.645
+instruction: 0.267
+runtime: 0.087
+
+
+
+In qemu chroot, repeating "qemu: Unsupported syscall: 384" messages.  sys_getrandom ?
+
+On exec of an armv7 qemu chroot on my local x86_64 desktop, launched via
+
+	/usr/sbin/qemu-binfmt-conf.sh
+
+from
+
+	qemu-linux-user-2.9.0-374.1.x86_64
+
+on the host, inside the chroot any compile activity is laced with repetitions of
+
+	qemu: Unsupported syscall: 384
+
+messages.
+
+This wasn't always the case -- but, TBH, it's been ~ 6 months since I used this env, and there have been scads of usual pkg updates in the interim.  These messages appear to be non-fatal, with no particular effect at all; at least not so far ...
+
+From a chat in #IRC,
+
+	[10:05] davidgiluk clever/pgnd: I see it as getrandom
+	[10:05] davidgiluk pgnd: https://fedora.juszkiewicz.com.pl/syscalls.html   sort it on the ARM table and you can easily see it
+	[10:05] clever arch/arm/tools/syscall.tbl:384  common  getrandom               sys_getrandom
+	[10:06] davidgiluk pgnd: my *guess* is that something is calling getrandom, getting told it's not implemented and then falling back to using /dev/urandom
+	[10:10] pgnd davidgiluk: If that *is* the case, is it to be considered a problem, or just informational?
+	[10:12] davidgiluk pgnd: As long as it's falling back probably informational; but someone should probably go and wire up sys_getrandom at some point
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