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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 07:27:52 +0000
commitd0c85e36e4de67af628d54e9ab577cc3fad7796a (patch)
treef8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/files/1592590
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloademulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
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+Prevent qemu-img resize from causing "Active L1 table too large"
+
+This commit prevents qemu from overallocating if qcow2 image is too big (whatever that means): https://lists.gnu.org/archive/html/qemu-devel/2014-07/msg01481.html
+
+However, `qemu-img resize` isn't protected by the same code and allows to go beyond that.
+
+root@nwkr-laptop ~virtkick/hdd # qemu-img resize 33_test_609dffde-eb51-4b75-918d-b814f1bcb526.qcow2 +100000T
+Image resized.
+
+Which then causes "Active L1 table too large" error that cannot be reversed.
+
+root@nwkr-laptop ~virtkick/hdd # qemu-img info 33_test_609dffde-eb51-4b75-918d-b814f1bcb526.qcow2
+qemu-img: Could not open '33_test_609dffde-eb51-4b75-918d-b814f1bcb526.qcow2': Active L1 table too large
+
+root@nwkr-laptop ~virtkick/hdd # qemu-img resize 33_test_609dffde-eb51-4b75-918d-b814f1bcb526.qcow2 -100000T
+qemu-img: Could not open '33_test_609dffde-eb51-4b75-918d-b814f1bcb526.qcow2': Active L1 table too large
+
+
+I originally faces this bug when I passed wrong parameters to qemu-img in a programatic way which caused an image to go corrupt. It's good to protect user's images from being resized too much.
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