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08932a1983
Get UML to use the generic bug support rather than arch specific one. If I insert an artificial bug right before loading init, I get this: Kernel panic - not syncing: Kernel mode signal 4 EIP: 0023:[<0819d501>] CPU: 0 Not tainted ESP: 002b:f7fd4fbc EFLAGS: 00000246 Not tainted EAX: 00000000 EBX: 00007870 ECX: 00000013 EDX: 00007870 ESI: 0000786d EDI: 00000011 EBP: f7fd4fd8 DS: 002b ES: 002b 08273bec: [<0806e814>] show_regs+0x104/0x106 08273c08: [<08058927>] panic_exit+0x2c/0x4b 08273c18: [<08080ee7>] notifier_call_chain+0x32/0x5b 08273c38: [<08080fbd>] __atomic_notifier_call_chain+0x30/0x32 08273c54: [<08080fee>] atomic_notifier_call_chain+0x2f/0x31 08273c70: [<08073b88>] panic+0x75/0x131 08273c94: [<080586c7>] relay_signal+0x87/0x95 08273cb0: [<0806b9ee>] sig_handler_common_skas+0x9e/0x120 08273cd8: [<08067738>] sig_handler+0x28/0x4f 08273cec: [<0806792e>] handle_signal+0x53/0x89 08273d0c: [<08069f60>] hard_handler+0x18/0x28 08273d1c: [<ffffe500>] transitions+0xf7d598b8/0xfffffff0 With this patch in place, this is how it looks: BUG: failure at init/main.c:779/init_post()! Kernel panic - not syncing: BUG! EIP: 0023:[<081a65d1>] CPU: 0 Not tainted ESP: 002b:f7f0dfbc EFLAGS: 00000246 Not tainted EAX: 00000000 EBX: 000069db ECX: 00000013 EDX: 000069db ESI: 000069d8 EDI: 00000011 EBP: f7f0dfd8 DS: 002b ES: 002b 098efedc: [<0806e9a4>] show_regs+0x104/0x106 098efef8: [<080589c7>] panic_exit+0x2c/0x4b 098eff08: [<080818d7>] notifier_call_chain+0x32/0x5b 098eff28: [<080819ad>] __atomic_notifier_call_chain+0x30/0x32 098eff44: [<080819de>] atomic_notifier_call_chain+0x2f/0x31 098eff60: [<08073f28>] panic+0x75/0x131 098eff84: [<080541d5>] init_post+0xcd/0xe8 098eff9c: [<08048ad4>] kernel_init+0x8e/0x9a 098effb4: [<08066dee>] run_kernel_thread+0x41/0x53 098effe0: [<08058e75>] new_thread_handler+0x62/0x8b 098efffc: [<a55a5a5a>] 0xa55a5a5a [ jdike - added BUG_TABLE to linker script ] Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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.. | ||
a.out.h | ||
alternative-asm.i | ||
alternative.h | ||
apic.h | ||
archparam-i386.h | ||
archparam-ppc.h | ||
archparam-x86_64.h | ||
atomic.h | ||
auxvec.h | ||
bitops.h | ||
boot.h | ||
bug.h | ||
bugs.h | ||
byteorder.h | ||
cache.h | ||
cacheflush.h | ||
calling.h | ||
checksum.h | ||
cmpxchg.h | ||
cobalt.h | ||
common.lds.S | ||
cpufeature.h | ||
cputime.h | ||
current.h | ||
delay.h | ||
desc.h | ||
device.h | ||
div64.h | ||
dma-mapping.h | ||
dma.h | ||
dwarf2.h | ||
elf-i386.h | ||
elf-ppc.h | ||
elf-x86_64.h | ||
emergency-restart.h | ||
errno.h | ||
fcntl.h | ||
fixmap.h | ||
floppy.h | ||
frame.i | ||
futex.h | ||
hardirq.h | ||
highmem.h | ||
host_ldt-i386.h | ||
host_ldt-x86_64.h | ||
hw_irq.h | ||
ide.h | ||
io.h | ||
ioctl.h | ||
ioctls.h | ||
ipc.h | ||
ipcbuf.h | ||
irq.h | ||
irq_regs.h | ||
irq_vectors.h | ||
irqflags.h | ||
kdebug.h | ||
keyboard.h | ||
kmap_types.h | ||
ldt.h | ||
linkage.h | ||
local.h | ||
locks.h | ||
mca_dma.h | ||
mman.h | ||
mmu.h | ||
mmu_context.h | ||
module-generic.h | ||
module-i386.h | ||
module-x86_64.h | ||
msgbuf.h | ||
mtrr.h | ||
mutex.h | ||
namei.h | ||
page.h | ||
page_offset.h | ||
param.h | ||
pci.h | ||
pda.h | ||
percpu.h | ||
pgalloc.h | ||
pgtable-2level.h | ||
pgtable-3level.h | ||
pgtable.h | ||
poll.h | ||
posix_types.h | ||
prctl.h | ||
processor-generic.h | ||
processor-i386.h | ||
processor-ppc.h | ||
processor-x86_64.h | ||
ptrace-generic.h | ||
ptrace-i386.h | ||
ptrace-x86_64.h | ||
required-features.h | ||
resource.h | ||
rwlock.h | ||
rwsem.h | ||
scatterlist.h | ||
sections.h | ||
segment.h | ||
semaphore.h | ||
sembuf.h | ||
serial.h | ||
setup.h | ||
shmbuf.h | ||
shmparam.h | ||
sigcontext-generic.h | ||
sigcontext-i386.h | ||
sigcontext-ppc.h | ||
sigcontext-x86_64.h | ||
siginfo.h | ||
signal.h | ||
smp.h | ||
socket.h | ||
sockios.h | ||
spinlock.h | ||
spinlock_types.h | ||
stat.h | ||
statfs.h | ||
string.h | ||
suspend.h | ||
system-generic.h | ||
system-i386.h | ||
system-ppc.h | ||
system-x86_64.h | ||
termbits.h | ||
termios.h | ||
thread_info.h | ||
timex.h | ||
tlb.h | ||
tlbflush.h | ||
topology.h | ||
types.h | ||
uaccess.h | ||
ucontext.h | ||
unaligned.h | ||
unistd.h | ||
user.h | ||
vga.h | ||
vm-flags-i386.h | ||
vm-flags-x86_64.h | ||
vm86.h | ||
xor.h |