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772f86839f
Dumping coroutines don't yet work with coredumps. Let's make it work. We still kept most of the old code because they can be either more flexible, or prettier. Only add the fallbacks when they stop working. Currently the raw unwind is pretty ugly, but it works, like this: (gdb) qemu bt #0 process_incoming_migration_co (opaque=0x0) at ../migration/migration.c:788 #1 0x000055ae6c0dc4d9 in coroutine_trampoline (i0=-1711718576, i1=21934) at ../util/coroutine-ucontext.c:175 #2 0x00007f9f59d72f40 in ??? () at /lib64/libc.so.6 #3 0x00007ffd549214a0 in ??? () #4 0x0000000000000000 in ??? () Coroutine at 0x7f9f4c57c748: #0 0x55ae6c0dc9a8 in qemu_coroutine_switch<+120> () at ../util/coroutine-ucontext.c:321 #1 0x55ae6c0da2f8 in qemu_aio_coroutine_enter<+356> () at ../util/qemu-coroutine.c:293 #2 0x55ae6c0da3f1 in qemu_coroutine_enter<+34> () at ../util/qemu-coroutine.c:316 #3 0x55ae6baf775e in migration_incoming_process<+43> () at ../migration/migration.c:876 #4 0x55ae6baf7ab4 in migration_ioc_process_incoming<+490> () at ../migration/migration.c:1008 #5 0x55ae6bae9ae7 in migration_channel_process_incoming<+145> () at ../migration/channel.c:45 #6 0x55ae6bb18e35 in socket_accept_incoming_migration<+118> () at ../migration/socket.c:132 #7 0x55ae6be939ef in qio_net_listener_channel_func<+131> () at ../io/net-listener.c:54 #8 0x55ae6be8ce1a in qio_channel_fd_source_dispatch<+78> () at ../io/channel-watch.c:84 #9 0x7f9f5b26728c in g_main_context_dispatch_unlocked.lto_priv<+315> () #10 0x7f9f5b267555 in g_main_context_dispatch<+36> () #11 0x55ae6c0d91a7 in glib_pollfds_poll<+90> () at ../util/main-loop.c:287 #12 0x55ae6c0d9235 in os_host_main_loop_wait<+128> () at ../util/main-loop.c:310 #13 0x55ae6c0d9364 in main_loop_wait<+203> () at ../util/main-loop.c:589 #14 0x55ae6bac212a in qemu_main_loop<+41> () at ../system/runstate.c:835 #15 0x55ae6bfdf522 in qemu_default_main<+19> () at ../system/main.c:37 #16 0x55ae6bfdf55f in main<+40> () at ../system/main.c:48 #17 0x7f9f59d42248 in __libc_start_call_main<+119> () #18 0x7f9f59d4230b in __libc_start_main_impl<+138> () Signed-off-by: Peter Xu <peterx@redhat.com> Message-ID: <20241212204801.1420528-4-peterx@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com> |
2 weeks ago | |
|---|---|---|
| .. | ||
| __init__.py | 5 years ago | |
| aio.py | 5 years ago | |
| coroutine.py | 2 weeks ago | |
| mtree.py | 5 years ago | |
| tcg.py | 5 years ago | |
| timers.py | 5 years ago | |