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9e0a17db51
If we use "crashkernel=Y[@X]" and the start address is above 4G, the arm64 kdump capture kernel may call memblock_alloc_low() failure in request_standard_resources(). Replacing memblock_alloc_low() with memblock_alloc(). [ 0.000000] MEMBLOCK configuration: [ 0.000000] memory size = 0x0000000040650000 reserved size = 0x0000000004db7f39 [ 0.000000] memory.cnt = 0x6 [ 0.000000] memory[0x0] [0x00000000395f0000-0x000000003968ffff], 0x00000000000a0000 bytes on node 0 flags: 0x4 [ 0.000000] memory[0x1] [0x0000000039730000-0x000000003973ffff], 0x0000000000010000 bytes on node 0 flags: 0x4 [ 0.000000] memory[0x2] [0x0000000039780000-0x000000003986ffff], 0x00000000000f0000 bytes on node 0 flags: 0x4 [ 0.000000] memory[0x3] [0x0000000039890000-0x0000000039d0ffff], 0x0000000000480000 bytes on node 0 flags: 0x4 [ 0.000000] memory[0x4] [0x000000003ed00000-0x000000003ed2ffff], 0x0000000000030000 bytes on node 0 flags: 0x4 [ 0.000000] memory[0x5] [0x0000002040000000-0x000000207fffffff], 0x0000000040000000 bytes on node 0 flags: 0x0 [ 0.000000] reserved.cnt = 0x7 [ 0.000000] reserved[0x0] [0x0000002040080000-0x0000002041c4dfff], 0x0000000001bce000 bytes flags: 0x0 [ 0.000000] reserved[0x1] [0x0000002041c53000-0x0000002042c203f8], 0x0000000000fcd3f9 bytes flags: 0x0 [ 0.000000] reserved[0x2] [0x000000207da00000-0x000000207dbfffff], 0x0000000000200000 bytes flags: 0x0 [ 0.000000] reserved[0x3] [0x000000207ddef000-0x000000207fbfffff], 0x0000000001e11000 bytes flags: 0x0 [ 0.000000] reserved[0x4] [0x000000207fdf2b00-0x000000207fdfc03f], 0x0000000000009540 bytes flags: 0x0 [ 0.000000] reserved[0x5] [0x000000207fdfd000-0x000000207ffff3ff], 0x0000000000202400 bytes flags: 0x0 [ 0.000000] reserved[0x6] [0x000000207ffffe00-0x000000207fffffff], 0x0000000000000200 bytes flags: 0x0 [ 0.000000] Kernel panic - not syncing: request_standard_resources: Failed to allocate 384 bytes [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 5.1.0-next-20190321+ #4 [ 0.000000] Call trace: [ 0.000000] dump_backtrace+0x0/0x188 [ 0.000000] show_stack+0x24/0x30 [ 0.000000] dump_stack+0xa8/0xcc [ 0.000000] panic+0x14c/0x31c [ 0.000000] setup_arch+0x2b0/0x5e0 [ 0.000000] start_kernel+0x90/0x52c [ 0.000000] ---[ end Kernel panic - not syncing: request_standard_resources: Failed to allocate 384 bytes ]--- Link: https://www.spinics.net/lists/arm-kernel/msg715293.html Signed-off-by: Chen Zhou <chenzhou10@huawei.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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.. | ||
probes | ||
vdso | ||
.gitignore | ||
acpi_numa.c | ||
acpi_parking_protocol.c | ||
acpi.c | ||
alternative.c | ||
armv8_deprecated.c | ||
asm-offsets.c | ||
cacheinfo.c | ||
cpu_errata.c | ||
cpu_ops.c | ||
cpu-reset.h | ||
cpu-reset.S | ||
cpufeature.c | ||
cpuidle.c | ||
cpuinfo.c | ||
crash_core.c | ||
crash_dump.c | ||
debug-monitors.c | ||
efi-entry.S | ||
efi-header.S | ||
efi-rt-wrapper.S | ||
efi.c | ||
entry-fpsimd.S | ||
entry-ftrace.S | ||
entry.S | ||
fpsimd.c | ||
ftrace.c | ||
head.S | ||
hibernate-asm.S | ||
hibernate.c | ||
hw_breakpoint.c | ||
hyp-stub.S | ||
image.h | ||
insn.c | ||
io.c | ||
irq.c | ||
jump_label.c | ||
kaslr.c | ||
kexec_image.c | ||
kgdb.c | ||
kuser32.S | ||
machine_kexec_file.c | ||
machine_kexec.c | ||
Makefile | ||
module-plts.c | ||
module.c | ||
module.lds | ||
paravirt.c | ||
pci.c | ||
perf_callchain.c | ||
perf_event.c | ||
perf_regs.c | ||
pointer_auth.c | ||
process.c | ||
psci.c | ||
ptrace.c | ||
reloc_test_core.c | ||
reloc_test_syms.S | ||
relocate_kernel.S | ||
return_address.c | ||
sdei.c | ||
setup.c | ||
signal32.c | ||
signal.c | ||
sleep.S | ||
smccc-call.S | ||
smp_spin_table.c | ||
smp.c | ||
ssbd.c | ||
stacktrace.c | ||
suspend.c | ||
sys32.c | ||
sys_compat.c | ||
sys.c | ||
syscall.c | ||
time.c | ||
topology.c | ||
trace-events-emulation.h | ||
traps.c | ||
vdso.c | ||
vmlinux.lds.S |