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[RFC] kallsyms: embed source file:line info in kernel stack traces To: Sasha Levin , torvalds@linuxfoundation.org Cc: akpm@linux-foundation.org, geert@linux-m68k.org, konstantin@linuxfoundation.org, ksummit@lists.linux.dev, laurent.pinchart@ideasonboard.com, linux@leemhuis.info, richard@nod.at, rostedt@goodmis.org, users@kernel.org References: <20260302202828.2722037-1-sashal@kernel.org> Content-Language: en-US From: Helge Deller Autocrypt: addr=deller@gmx.de; keydata= xsFNBF3Ia3MBEAD3nmWzMgQByYAWnb9cNqspnkb2GLVKzhoH2QD4eRpyDLA/3smlClbeKkWT HLnjgkbPFDmcmCz5V0Wv1mKYRClAHPCIBIJgyICqqUZo2qGmKstUx3pFAiztlXBANpRECgwJ r+8w6mkccOM9GhoPU0vMaD/UVJcJQzvrxVHO8EHS36aUkjKd6cOpdVbCt3qx8cEhCmaFEO6u CL+k5AZQoABbFQEBocZE1/lSYzaHkcHrjn4cQjc3CffXnUVYwlo8EYOtAHgMDC39s9a7S90L 69l6G73lYBD/Br5lnDPlG6dKfGFZZpQ1h8/x+Qz366Ojfq9MuuRJg7ZQpe6foiOtqwKym/zV dVvSdOOc5sHSpfwu5+BVAAyBd6hw4NddlAQUjHSRs3zJ9OfrEx2d3mIfXZ7+pMhZ7qX0Axlq Lq+B5cfLpzkPAgKn11tfXFxP+hcPHIts0bnDz4EEp+HraW+oRCH2m57Y9zhcJTOJaLw4YpTY 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[ 11.201987] sysrq: Trigger a crash > [ 11.202831] Kernel panic - not syncing: sysrq triggered crash > [ 11.206218] Call Trace: > [ 11.206501] > [ 11.206749] dump_stack_lvl+0x5d/0x80 (lib/dump_stack.c:94) Thanks Sasha! That's exactly what I often needed. I've just tested it on the parisc architecture and it works nicely. So, I'd appreciate if it would be included in the upstream kernel (with the memory optimizations others already suggested). Helge