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linux6.6: disable CONFIG_KFENCE on i686, broke early boot.

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Fixes #47514.

Previously, booting with earlyprintk=ttySO showed the cause:

No EFI environment detected.
early console in extract_kernel
input_data: 0x02004094
input_len: 0x00a8b825
output: 0x01000000
output_len: 0x018f19d0
kernel_total_size: 0x01aaf000
needed_size: 0x01aaf000
Physical KASLR using RDTSC...

Decompressing Linux... Parsing ELF... Performing relocations... done.
Booting the kernel (entry_offset: 0x00000080).
Poking KASLR using RDTSC...
[    0.593769] kernel BUG at arch/x86/mm/physaddr.c:81!
[    0.594640] invalid opcode: 0000 [#1] PREEMPT SMP PTI
[    0.594772] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.6.4_1 #1
[    0.594865] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org 04/01/2014
[    0.595028] EIP: __phys_addr+0x78/0x84
[    0.595450] Code: 75 fc 89 ec 5d e9 cc f8 ab 00 8d b4 26 00 00 00 00 90 0f 0b 8d b6 00 00 00 00 e8 bf 23 29 00 84 c0 74 b8 0f 0b 8d 74 26 00 90 <0f> 0b 8d b6 00 00 00 00 0f 0b 66 90 3e 8d 74 26 00 3d ff ff ff bf
[    0.595718] EAX: fffff000 EBX: f7318000 ECX: 00000000 EDX: ffffffff
[    0.595768] ESI: 37318000 EDI: f7318000 EBP: cf405f3c ESP: cf405f34
[    0.595815] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00200086
[    0.595876] CR0: 80050033 CR2: ffbff000 CR3: 0f7b4000 CR4: 000000b0
[    0.595979] Call Trace:
[    0.596580]  ? show_regs+0x56/0x64
[    0.596663]  ? die+0x34/0x90
[    0.596692]  ? ftrace_dump+0x30c/0x30c
[    0.596723]  ? do_trap+0xcc/0x154
[    0.596748]  ? notify_die+0x56/0x74
[    0.596792]  ? do_error_trap+0x69/0x84
[    0.596821]  ? __phys_addr+0x78/0x84
[    0.596848]  ? exc_overflow+0x54/0x54
[    0.596877]  ? exc_invalid_op+0x5d/0x74
[    0.596905]  ? __phys_addr+0x78/0x84
[    0.596932]  ? handle_exception+0x133/0x133
[    0.596985]  ? exc_overflow+0x54/0x54
[    0.597013]  ? __phys_addr+0x78/0x84
[    0.597042]  ? exc_overflow+0x54/0x54
[    0.597068]  ? __phys_addr+0x78/0x84
[    0.597104]  kfence_init+0xce/0xe4
[    0.597198]  start_kernel+0x4b1/0xba8
[    0.597237]  i386_start_kernel+0x48/0x48
[    0.597266]  startup_32_smp+0x156/0x158
[    0.597393] Modules linked in:
[    0.597835] ---[ end trace 0000000000000000 ]---
[    0.597896] EIP: __phys_addr+0x78/0x84
[    0.597931] Code: 75 fc 89 ec 5d e9 cc f8 ab 00 8d b4 26 00 00 00 00 90 0f 0b 8d b6 00 00 00 00 e8 bf 23 29 00 84 c0 74 b8 0f 0b 8d 74 26 00 90 <0f> 0b 8d b6 00 00 00 00 0f 0b 66 90 3e 8d 74 26 00 3d ff ff ff bf
[    0.598020] EAX: fffff000 EBX: f7318000 ECX: 00000000 EDX: ffffffff
[    0.598055] ESI: 37318000 EDI: f7318000 EBP: cf405f3c ESP: cf405f34
[    0.598088] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00200086
[    0.598125] CR0: 80050033 CR2: ffbff000 CR3: 0f7b4000 CR4: 000000b0
[    0.598271] Kernel panic - not syncing: Attempted to kill the idle task!
[    0.598705] ---[ end Kernel panic - not syncing: Attempted to kill the idle task! ]---
This commit is contained in:
Leah Neukirchen 2023-12-06 18:21:48 +01:00
parent 6cd798e47c
commit 821844b5d2
2 changed files with 3 additions and 7 deletions
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8
srcpkgs/linux6.6/files/i386-dotconfig
View file

@ -1,6 +1,6 @@
#
# Automatically generated file; DO NOT EDIT.
# Linux/i386 6.6.0 Kernel Configuration
# Linux/i386 6.6.4 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc (GCC) 12.2.0"
CONFIG_CC_IS_GCC=y
@ -10695,11 +10695,7 @@ CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_CC_HAS_KASAN_GENERIC=y
CONFIG_CC_HAS_WORKING_NOSANITIZE_ADDRESS=y
CONFIG_HAVE_ARCH_KFENCE=y
CONFIG_KFENCE=y
CONFIG_KFENCE_SAMPLE_INTERVAL=100
CONFIG_KFENCE_NUM_OBJECTS=255
# CONFIG_KFENCE_DEFERRABLE is not set
CONFIG_KFENCE_STRESS_TEST_FAULTS=0
# CONFIG_KFENCE is not set
# end of Memory Debugging
# CONFIG_DEBUG_SHIRQ is not set

2
srcpkgs/linux6.6/template
View file

@ -1,7 +1,7 @@
# Template file for 'linux6.6'
pkgname=linux6.6
version=6.6.4
revision=1
revision=2
short_desc="Linux kernel and modules (${version%.*} series)"
maintainer="Duncaen <duncaen@voidlinux.org>"
license="GPL-2.0-only"