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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/boot/1719282
parent7f4364274750eb8cb39a3e7493132fca1c01232e (diff)
downloadqemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz
qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip
add deepseek and gemma results
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+
+Unable to boot after drive-mirror
+
+Hi,
+I am using "drive-mirror" qmp block-job command to transfer VM disk image to other path (different physical disk on host).
+Unfortunately after shutting down and starting from new image, VM is unable to boot and qrub enters rescue mode displaying following error:
+```
+error: file '/grub/i386-pc/normal.mod' not found.
+Entering rescue mode...
+grub rescue>
+```
+
+To investigate the problem, I compared both RAW images using linux "cmp -l" command and found out that they differ in 569028 bytes starting from address 185598977 to 252708864 which are located on /boot partition.
+
+So I mounted /boot partition of mirrored RAW image on host OS and it seems that file-system is broken and grub folder is not recognized. But /boot on original RAW image has no problem.
+
+Mirrored Image:
+ls -l /mnt/vm-boot/
+ls: cannot access /mnt/vm-boot/grub: Structure needs cleaning
+total 38168
+-rw-r--r-- 1 root root   157721 Oct 19  2016 config-3.16.0-4-amd64
+-rw-r--r-- 1 root root   129281 Sep 20  2015 config-3.2.0-4-amd64
+d????????? ? ?    ?           ?            ? grub
+-rw-r--r-- 1 root root 15739360 Nov  2  2016 initrd.img-3.16.0-4-amd64
+-rw-r--r-- 1 root root 12115412 Oct 10  2015 initrd.img-3.2.0-4-amd64
+drwxr-xr-x 2 root root    12288 Oct  7  2013 lost+found
+-rw-r--r-- 1 root root  2679264 Oct 19  2016 System.map-3.16.0-4-amd64
+-rw-r--r-- 1 root root  2114662 Sep 20  2015 System.map-3.2.0-4-amd64
+-rw-r--r-- 1 root root  3126448 Oct 19  2016 vmlinuz-3.16.0-4-amd64
+-rw-r--r-- 1 root root  2842592 Sep 20  2015 vmlinuz-3.2.0-4-amd64
+
+Original Image:
+ls /mnt/vm-boot/ -l
+total 38173
+-rw-r--r-- 1 root root   157721 Oct 19  2016 config-3.16.0-4-amd64
+-rw-r--r-- 1 root root   129281 Sep 20  2015 config-3.2.0-4-amd64
+drwxr-xr-x 5 root root     5120 Nov  2  2016 grub
+-rw-r--r-- 1 root root 15739360 Nov  2  2016 initrd.img-3.16.0-4-amd64
+-rw-r--r-- 1 root root 12115412 Oct 10  2015 initrd.img-3.2.0-4-amd64
+drwxr-xr-x 2 root root    12288 Oct  7  2013 lost+found
+-rw-r--r-- 1 root root  2679264 Oct 19  2016 System.map-3.16.0-4-amd64
+-rw-r--r-- 1 root root  2114662 Sep 20  2015 System.map-3.2.0-4-amd64
+-rw-r--r-- 1 root root  3126448 Oct 19  2016 vmlinuz-3.16.0-4-amd64
+-rw-r--r-- 1 root root  2842592 Sep 20  2015 vmlinuz-3.2.0-4-amd64
+
+ls /mnt/vm-boot/grub/ -l
+total 2376
+-rw-r--r-- 1 root root      48 Oct  7  2013 device.map
+drwxr-xr-x 2 root root    1024 Oct 10  2015 fonts
+-r--r--r-- 1 root root    9432 Nov  2  2016 grub.cfg
+-rw-r--r-- 1 root root    1024 Oct  7  2013 grubenv
+drwxr-xr-x 2 root root    6144 Aug  6  2016 i386-pc
+drwxr-xr-x 2 root root    1024 Aug  6  2016 locale
+-rw-r--r-- 1 root root 2400500 Aug  6  2016 unicode.pf2
+
+qemu Version: 2.7.0-10
+
+Host OS: Debian 8x64
+Guest OS: Debian 8x64
+
+QMP Commands log:
+socat UNIX-CONNECT:/var/run/qemu-server/48016.qmp STDIO
+{"QMP": {"version": {"qemu": {"micro": 0, "minor": 7, "major": 2}, "package": "pve-qemu-kvm_2.7.0-10"}, "capabilities": []}}
+{ "execute": "qmp_capabilities" }
+{"return": {}}
+{ "execute": "drive-mirror",
+  "arguments": {
+    "device": "drive-ide0",
+    "target": "/diskc/48016/vm-48016-disk-2.raw",
+    "sync": "full",
+    "mode": "absolute-paths",
+    "speed": 0
+  }
+}
+{"return": {}}
+{"timestamp": {"seconds": 1506331591, "microseconds": 623095}, "event": "BLOCK_JOB_READY", "data": {"device": "drive-ide0", "len": 269445758976, "offset": 269445758976, "speed": 0, "type": "mirror"}}
+{"timestamp": {"seconds": 1506332641, "microseconds": 245272}, "event": "SHUTDOWN"}
+{"timestamp": {"seconds": 1506332641, "microseconds": 377751}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "drive-ide0", "len": 271707340800, "offset": 271707340800, "speed": 0, "type": "mirror"}}
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