gcc7: Enable arm erratum 843419 on aarch64 #40572
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This fix is required for the raspherry pi 3 with glibc 2.27, otherwise the kernel panics in initrd with: ``` <<< NixOS Stage 1 >>> loading module dm_mod... running udev... kbd_mode: KDSKBMODE: Inappropriate ioctl for device Gstarting device mapper and LVM... [ 1.969164] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 1.969164] [ 1.978476] CPU: 0 PID: 1 Comm: init Not tainted 4.16.8 #1-NixOS [ 1.984580] Hardware name: Raspberry Pi 3 Model B (DT) [ 1.989801] Call trace: [ 1.992301] dump_backtrace+0x0/0x1c8 [ 1.996025] show_stack+0x24/0x30 [ 1.999396] dump_stack+0x9c/0xc0 [ 2.002766] panic+0x124/0x294 [ 2.005872] complete_and_exit+0x0/0x30 [ 2.009771] do_group_exit+0x40/0xa8 [ 2.013406] get_signal+0x280/0x5b0 [ 2.016954] do_signal+0x88/0x240 [ 2.020325] do_notify_resume+0xd8/0x130 [ 2.024311] work_pending+0x8/0x10 [ 2.027774] SMP: stopping secondary CPUs [ 2.031763] Kernel Offset: disabled [ 2.035308] CPU features: 0x0802004 [ 2.038850] Memory Limit: none [ 2.041963] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 2.041963] [ 2.865264] random: crng init done ``` Suse has done the same to circumvent crashes with hostname resolving in glibc 2.27 on aarch64.
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This fix is required for the raspherry pi 3 with glibc 2.27,
otherwise the kernel panics in initrd with:
Suse has done the same to circumvent crashes with hostname resolving in
glibc 2.27 on aarch64.
Motivation for this change
Things done
build-use-sandboxinnix.confon non-NixOS)nix-shell -p nox --run "nox-review wip"./result/bin/)