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cHO47RAa-Ous7w5n4ElNU-Z0rO03ckV- X-Authority-Analysis: v=2.4 cv=W8w1lBWk c=1 sm=1 tr=0 ts=6931e9e5 cx=c_pps a=XiAAW1AwiKB2Y8Wsi+sD2Q==:117 a=XiAAW1AwiKB2Y8Wsi+sD2Q==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=wP3pNCr1ah4A:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=NEAV23lmAAAA:8 a=Fg0a1JEIXGhjAZdTRpsA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjA0MDE2MyBTYWx0ZWRfX23rJfSAAK2FP qLWFMoPrs2MkVU4YL8IOZFZb8Hg87VZeNQkSclfp7rGU5+KsOsZLP+06Wbj59K5EWsDYDymvxNK /Vd7o865GG/ticcJGuFLAzlS1YQ282VF1aVSy7oZZbSzQ2Yh8c8cC1X/4zzsolOSXsx/Y9Ykp6Q bMrlLv936XLHdaDstodBtleygIMfecYQPVB7GL8O/pZRX2chjOk2jbsjIYTxEWIN/utY+ObWVPE sM+eZUxYdhrZKFYFuGRmj8waI3d5Md9W9Czt1NQ4vHl9h0btIk0o+9nj9RL4z3GfRjB7fFVL1xV 1wBAulqJ7/2Rkn3znPiMo2H9DnYAqE1qGXFgJWh0hlj70+0wlW7IkteLKjYyUm/JvHy2L3lQba3 x1odUvI3xy3XseNtMtDP4FJFwi6pew== Hi Philipp, I wanted to let you know about an issue with drgn's stack unwinding on the RHEL 9 kernel. It looks like that kernel backports some ORC changes, without including a change Omar made (including an .orc_header section) to help identify the ORC format version. I've included more details on this drgn issue: https://github.com/osandov/drgn/issues/578 The result is that drgn can't unwind stacks on the RHEL 9 kernel. I think the best path forward would be to include the .orc_header patch: b9f174c811e3a ("x86/unwind/orc: Add ELF section with ORC version identifier") As it is, the RHEL 9 drgn can't unwind stacks on the RHEL 9 kernel, which seems less than ideal. Thanks, Stephen