** Changed in: cloud-images
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1823327
Title:
booting cloud images on a Multipass Windows hosted enviroment is slow
in the initramfs stage due to font setup / framebuffer issues
Status in cloud-images:
Fix Released
Status in console-setup package in Ubuntu:
Fix Released
Status in console-setup source package in Bionic:
Won't Fix
Bug description:
Booting an azure kernel Cosmic cloud image with multipass on Windows
10 pro takes a long time. Using systemd-analyze 25 seconds in kernel
boot time is reported. Digging into this, the kernel boot time is
actually ~5 seconds, the other 20 seconds before systemd init is
exec'd is actually in the initramfs. I've instrumented the kernel to
record the exec and exit times of each process in the kernel and the
top offending processes in initramfs during boot are:
Duration PID process
14.86832 262 /scripts/init-top/console_setup
2.48749 263 /bin/setfont
2.45357 268 /bin/setfont
2.44657 291 /bin/setfont
2.44392 286 /bin/setfont
2.43545 279 /bin/setfont
2.43161 274 /bin/setfont
1.19233 255 /scripts/init-top/framebuffer
console_setup is calling setfont 7 times and each time setfint is
taking more than 2.4 seconds to complete. Also the framebuffer program
is taking over a second to run.
For Disco with azure kernel:
Duration PID process
14.19028 275 console_setup
2.39020 276 setfont
2.34020 281 setfont
2.32915 293 setfont
2.32389 289 setfont
2.32319 285 setfont
2.32178 297 setfont
1.11417 268 framebuffer
For Xenial with generic kernel:
Duration PID process
15.01832 232 console_setup
2.52273 233 setfont
2.50960 238 setfont
2.48476 250 setfont
2.46333 256 setfont
2.46289 262 setfont
2.44667 268 setfont
1.07674 225 framebuffer
For Xenial with azure kernel:
15.00529 260 console_setup
2.49699 261 setfont
2.47591 292 setfont
2.47443 266 setfont
2.47131 286 setfont
2.46812 280 setfont
2.45780 274 setfont
1.07095 253 framebuffer
so it seems to occur across releases with generic and azure kernels.
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