@xnox, we are preparing a groovy respin which will pick this up.
** Changed in: linux (Ubuntu Groovy)
Milestone: groovy-updates => ubuntu-20.10
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https://bugs.launchpad.net/bugs/1899519
Title:
booting linux-generic-lpae armhf kernel under qemu results in
relocation out of range, and thus no modules can be loaded
Status in Release Notes for Ubuntu:
Won't Fix
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Groovy:
Confirmed
Bug description:
[Impact]
Groovy armhf LPAE kernel fails to load kmods (and thus fail to boot).
[Fix]
Enable CONFIG_ARM_MODULE_PLTS for armhf
[Regression potential]
Quoting the arch/arm/Kconfig:
"This [option] allows modules to be allocated in the generic
vmalloc area after the dedicated module memory area has been
exhausted. The modules will use slightly more memory, but after
rounding up to page size, the actual memory footprint is usually
the same.
Disabling this is usually safe for small single-platform
configurations.
"
---
qemu-system-arm -M virt -m 4096 -smp 2,sockets=2,cores=1,threads=1
-drive file=./groovy-server-cloudimg-armhf.img,if=virtio -kernel
./vmlinuz-5.8.0-21-generic-lpae -initrd ./initrd.img-5.8.0-21-generic-
lpae -append 'root=LABEL=cloudimg-rootfs break=bottom' -nographic
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 5.8.0-21-generic-lpae (buildd@bos02-arm64-041)
(gcc (Ubuntu 10.2.0-11ubuntu1) 10.2.0, GNU ld (GNU Binutils for Ubuntu) 2.35.1)
#22-Ubuntu SMP Fri Oct 2 12:30:15 UTC 2020 (Ubuntu 5.8.0-21.22-generic-lpae
5.8.13)
[ 0.000000] CPU: ARMv7 Processor [412fc0f1] revision 1 (ARMv7), cr=30c5387d
Starting version 246.6-1ubuntu1
[ 16.753306] gpio_keys: section 4 reloc 29 sym '_raw_spin_lock_irqsave':
relocation 28 out of range (0xbf00f23c -> 0xc10a90ec)
Begin: Loading essential drivers ... [ 22.799409] linear: section 4 reloc
43 sym '__stack_chk_fail': relocation 28 out of range (0xbf0195e8 -> 0xc10a1dd8)
[ 23.000670] multipath: section 4 reloc 31 sym '__stack_chk_fail':
relocation 28 out of range (0xbf021268 -> 0xc10a1dd8)
[ 23.227437] raid0: section 4 reloc 53 sym '__stack_chk_fail': relocation
28 out of range (0xbf02a548 -> 0xc10a1dd8)
[ 23.460764] raid1: section 4 reloc 18 sym '_cond_resched': relocation 28
out of range (0xbf035390 -> 0xc10a3b4c)
[ 28.311563] libcrc32c: section 4 reloc 9 sym '__stack_chk_fail':
relocation 28 out of range (0xbf0030b8 -> 0xc10a1dd8)
[ 31.866657] libcrc32c: section 4 reloc 9 sym '__stack_chk_fail':
relocation 28 out of range (0xbf0030b8 -> 0xc10a1dd8)
[ 35.632259] libcrc32c: section 4 reloc 9 sym '__stack_chk_fail':
relocation 28 out of range (0xbf0030b8 -> 0xc10a1dd8)
[ 35.852163] raid10: section 4 reloc 21 sym '__stack_chk_fail': relocation
28 out of range (0xbf00b404 -> 0xc10a1dd8)
done.
Begin: Running /scripts/init-premount ... done.
Begin: Mounting root file system ... Begin: Running /scripts/local-top ...
done.
Begin: Running /scripts/local-premount ... [ 41.265330] libcrc32c: section
4 reloc 9 sym '__stack_chk_fail': relocation 28 out of range (0xbf0030b8 ->
0xc10a1dd8)
(initramfs) cat /proc/modules
(initramfs) modprobe virtio_blk
[ 121.814904] virtio_blk: section 4 reloc 3 sym '_raw_spin_lock_irqsave':
relocation 28 out of range (0xbf003050 -> 0xc10a90ec)
(initramfs) cat /proc/modules
(initramfs)
Are we miss-building the kernel and/or modules? Or am I miss-launching
the VM?
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