bisecting fixing commit since cb3dc8901ba4f748f46287a42049a3a5c1f6b63c building syzkaller on 24dc29dba51a8ae7ae86ebc04521a0b2223c531f testing commit cb3dc8901ba4f748f46287a42049a3a5c1f6b63c compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c0d2312379559a6f33f6f39ec57e432345b9038e803e62bc9d3b5f1d68fc57a1 run #0: crashed: INFO: task hung in ieee80211_register_hw run #1: crashed: INFO: task hung in rtnetlink_rcv_msg run #2: crashed: INFO: task hung in addrconf_dad_work run #3: crashed: INFO: task hung in addrconf_dad_work run #4: crashed: INFO: task hung in rtnetlink_rcv_msg run #5: crashed: INFO: task hung in addrconf_dad_work run #6: crashed: INFO: task hung in addrconf_dad_work run #7: crashed: INFO: task hung in rtnetlink_rcv_msg run #8: crashed: INFO: task hung in linkwatch_event run #9: crashed: INFO: task hung in addrconf_dad_work run #10: crashed: INFO: task hung in regdb_fw_cb run #11: crashed: INFO: task hung in addrconf_dad_work run #12: crashed: INFO: task hung in addrconf_dad_work run #13: crashed: INFO: task hung in regdb_fw_cb run #14: crashed: INFO: task hung in regdb_fw_cb run #15: crashed: INFO: task hung in regdb_fw_cb run #16: crashed: INFO: task hung in linkwatch_event run #17: crashed: INFO: task hung in regdb_fw_cb run #18: crashed: INFO: task hung in addrconf_dad_work run #19: crashed: INFO: task hung in regdb_fw_cb testing current HEAD 0a78117213c4bb85dfebf89b924226883597bc60 testing commit 0a78117213c4bb85dfebf89b924226883597bc60 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: a5bf5e31a54e5d5a7efb6ad25dd91d97cad5a89a0a843980d7da95dca02e2c71 all runs: OK # git bisect start 0a78117213c4bb85dfebf89b924226883597bc60 cb3dc8901ba4f748f46287a42049a3a5c1f6b63c Bisecting: 13625 revisions left to test after this (roughly 14 steps) [d85bd8233fff000567cda4e108112bcb33478616] Merge branch 'md-next' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/song/md into for-5.17/drivers testing commit d85bd8233fff000567cda4e108112bcb33478616 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 80ab933544b59ec8d9eac0018a60add4f8f2b8385d65b5d2511039f77917e343 all runs: OK # git bisect bad d85bd8233fff000567cda4e108112bcb33478616 Bisecting: 6796 revisions left to test after this (roughly 13 steps) [ff0700f03609b9f0defacd4ce96d9519d721e0a2] Merge tag 'sound-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit ff0700f03609b9f0defacd4ce96d9519d721e0a2 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4582a14c2df22579aeedab52c5c7f4bc3c4e7953b82a9934ecc37cccd502ca2a all runs: OK # git bisect bad ff0700f03609b9f0defacd4ce96d9519d721e0a2 Bisecting: 3790 revisions left to test after this (roughly 12 steps) [bfc484fe6abba4b89ec9330e0e68778e2a9856b2] Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 testing commit bfc484fe6abba4b89ec9330e0e68778e2a9856b2 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 39f414e1f3ebd07155211ee71bed83a3d42287983095b51740d04f1cce06803a all runs: OK # git bisect bad bfc484fe6abba4b89ec9330e0e68778e2a9856b2 Bisecting: 1503 revisions left to test after this (roughly 11 steps) [037c50bfbeb33b4c74e120eef5b8b99d8f025418] Merge tag 'for-5.16-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux testing commit 037c50bfbeb33b4c74e120eef5b8b99d8f025418 compiler: gcc (GCC) 10.2.1 20210217 ./include/linux/page-flags.h:806:29: error: macro "PAGEFLAG_FALSE" requires 2 arguments, but only 1 given ./include/linux/page-flags.h:807:32: error: macro "TESTSCFLAG_FALSE" requires 2 arguments, but only 1 given ./include/linux/page-flags.h:806:1: error: unknown type name 'PAGEFLAG_FALSE' ./include/linux/page-flags.h:807:18: error: expected ';' before 'static' # git bisect skip 037c50bfbeb33b4c74e120eef5b8b99d8f025418 Bisecting: 1503 revisions left to test after this (roughly 11 steps) [2de71ee153efa93099d2ab864acffeec70a8dcd5] perf/x86/intel: Fix ICL/SPR INST_RETIRED.PREC_DIST encodings testing commit 2de71ee153efa93099d2ab864acffeec70a8dcd5 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 334a5bde58609932cd9e9a8d1de703824be977910cc6b626dc3ffc0267908c40 all runs: OK # git bisect bad 2de71ee153efa93099d2ab864acffeec70a8dcd5 Bisecting: 7 revisions left to test after this (roughly 3 steps) [4034fb207e302cc0b1f304084d379640c1fb1436] perf/x86/intel/uncore: Fix Intel SPR M3UPI event constraints testing commit 4034fb207e302cc0b1f304084d379640c1fb1436 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 16c7d8eaf892510ada9cb9e2ba642b025c79262691f11145139d128abb102bf5 all runs: OK # git bisect bad 4034fb207e302cc0b1f304084d379640c1fb1436 Bisecting: 2 revisions left to test after this (roughly 2 steps) [9d756e408e080d40e7916484b00c802026e6d1ad] perf/x86/intel/uncore: Fix Intel SPR CHA event constraints testing commit 9d756e408e080d40e7916484b00c802026e6d1ad compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: aa2eac514b76c43802eea28364e1db6fea468e9d996d9d66642a7bc1f1162403 all runs: OK # git bisect bad 9d756e408e080d40e7916484b00c802026e6d1ad Bisecting: 1 revision left to test after this (roughly 1 step) [e2bb9fab08cbcc7922050c7eb0bd650807abfa4e] perf/x86/intel/uncore: Fix invalid unit check testing commit e2bb9fab08cbcc7922050c7eb0bd650807abfa4e compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3680c304362a50ca7fed5e7be0dd9506059746d92a0f2ded0e34c54d07e030e8 all runs: OK # git bisect bad e2bb9fab08cbcc7922050c7eb0bd650807abfa4e Bisecting: 0 revisions left to test after this (roughly 0 steps) [496a18f09374ad89b3ab4366019bc3975db90234] perf/x86/intel/uncore: Support extra IMC channel on Ice Lake server testing commit 496a18f09374ad89b3ab4366019bc3975db90234 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 67d663baa21ae695ff4f370ea808d30987c140f6d9787318c180bac7bb0f0296 all runs: OK # git bisect bad 496a18f09374ad89b3ab4366019bc3975db90234 496a18f09374ad89b3ab4366019bc3975db90234 is the first bad commit commit 496a18f09374ad89b3ab4366019bc3975db90234 Author: Kan Liang Date: Thu Aug 26 08:32:37 2021 -0700 perf/x86/intel/uncore: Support extra IMC channel on Ice Lake server There are three channels on a Ice Lake server, but only two channels will ever be active. Current perf only enables two channels. Support the extra IMC channel, which may be activated on some Ice Lake machines. For a non-activated channel, the SW can still access it. The write will be ignored by the HW. 0 is always returned for the reading. Fixes: 2b3b76b5ec67 ("perf/x86/intel/uncore: Add Ice Lake server uncore support") Signed-off-by: Kan Liang Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Andi Kleen Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/1629991963-102621-2-git-send-email-kan.liang@linux.intel.com arch/x86/events/intel/uncore_snbep.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) parent commit 6a371bafe613b7746c3d3ac486bdb3035f77e029 wasn't tested testing commit 6a371bafe613b7746c3d3ac486bdb3035f77e029 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: df8508dc131d7ff8bae569387622c5621dc6ad312323ce9bceba498615015ee5 culprit signature: 67d663baa21ae695ff4f370ea808d30987c140f6d9787318c180bac7bb0f0296 parent signature: df8508dc131d7ff8bae569387622c5621dc6ad312323ce9bceba498615015ee5 revisions tested: 10, total time: 3h5m37.361442409s (build: 1h14m31.258276041s, test: 1h48m57.940144699s) first good commit: 496a18f09374ad89b3ab4366019bc3975db90234 perf/x86/intel/uncore: Support extra IMC channel on Ice Lake server recipients (to): ["ak@linux.intel.com" "kan.liang@linux.intel.com" "peterz@infradead.org"] recipients (cc): []