On Tue, 2021-03-02 at 11:34 +0000, Anton Ivanov wrote: > If gdb gives you the exact lines, that may be helpful.
It doesn't. But it does show drawbacks in my packaging. The debug symbols packaged are not read/honored by gdb at all. ``` Reading symbols from /usr/bin/linux.uml... Reading symbols from /usr/lib/debug/.build- id/6f/ea141539149074c72e80fb8004de124fda115b.debug... (No debugging symbols found in /usr/lib/debug/.build- id/6f/ea141539149074c72e80fb8004de124fda115b.debug) warning: Can't open file /dev/shm/#20817 (deleted) during file-backed mapping note processing [New LWP 18788] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux- gnu/libthread_db.so.1". Core was generated by `linux ubd0=qemu-linux-image.img'. Program terminated with signal SIGABRT, Aborted. #0 0x00007f51842c0087 in kill () at ../sysdeps/unix/syscall- template.S:120 120 ../sysdeps/unix/syscall-template.S: No such file or directory. (gdb) bt #0 0x00007f51842c0087 in kill () at ../sysdeps/unix/syscall- template.S:120 #1 0x000000006049dc20 in uml_abort () #2 0x000000006049de7a in os_dump_core () #3 0x0000000060486e47 in panic_exit () #4 0x00000000604c0a03 in notifier_call_chain () #5 0x00000000604c0a98 in atomic_notifier_call_chain () #6 0x0000000060a26b85 in panic () #7 0x00000000604869e1 in segv () #8 0x0000000060486ba9 in segv_handler () #9 0x000000006049ccc0 in sig_handler_common () #10 0x000000006049d1ec in sig_handler () #11 0x000000006049cdc6 in hard_handler () #12 <signal handler called> #13 0x00000000604d45b4 in vprintk_store () #14 0x00000000604d4aa8 in vprintk_emit () #15 0x00000000604d4d86 in vprintk_deferred () #16 0x0000000060a27a02 in printk_deferred () #17 0x00000000609031b2 in get_random_u32 () #18 0x000000006088ff65 in bucket_table_alloc.isra () #19 0x0000000060890740 in rhashtable_init () #20 0x00000000607efaa2 in ipc_init_ids () #21 0x00000000600153c9 in sem_init () ``` So the best I can extract for you is to compile the kernel with as much information as possible. Thanks, Ritesh -- Ritesh Raj Sarraf | http://people.debian.org/~rrs Debian - The Universal Operating System
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