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  1. Bug #1854244
  2. Activity log

Activity log for bug #1854244

Date Who What changed Old value New value Message
2019-11-28 02:27:03 quanxian bug added bug
2019-12-12 02:26:30 quanxian bug task added linux (Ubuntu)
2019-12-12 02:26:39 quanxian information type Private Public
2019-12-12 02:30:10 Ubuntu Kernel Bot linux (Ubuntu): status New Incomplete
2019-12-12 02:30:12 Ubuntu Kernel Bot tags intel-kernel-20.04 focal intel-kernel-20.04
2020-02-05 00:39:35 quanxian intel: status New Fix Committed
2020-03-25 10:56:20 Rex Tsai tags focal intel-kernel-20.04 focal intel-kernel-20.04 tigerlake
2020-05-13 08:21:09 quanxian description Description: Intel PMC_CORE driver, the currently device LTR ignore function support covers the IP offset from 0 to 20, while e.g. tgl , which support IP offset 21 and 22 root@p-tgl02/sys/kernel/debug/pmc_core # cat ltr_show SOUTHPORT_A LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SOUTHPORT_B LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SATA LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 GIGABIT_ETHERNET LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 XHCI LTR: RAW: 0x9001 Non-Snoop(ns): 0 Snoop(ns): 1048576 Reserved LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 ME LTR: RAW: 0x8000800 Non-Snoop(ns): 0 Snoop(ns): 0 EVA LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SOUTHPORT_C LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 HD_AUDIO LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 CNV LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 LPSS LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SOUTHPORT_D LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SOUTHPORT_E LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 CAMERA LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 ESPI LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SCC LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 ISH LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 UFSX2 LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 EMMC LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 WIGIG LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 CURRENT_PLATFORM LTR: RAW: 0x40201 Non-Snoop(ns): 0 Snoop(ns): 0 AGGREGATED_SYSTEM LTR: RAW: 0x7dbebf5 Non-Snoop(ns): 0 Snoop(ns): 1037312 and currently pmc_core does not support offset number 21, 22 device LTR ignore: root@p-tgl02/sys/kernel/debug/pmc_core # echo 21 > ltr_ignore -bash: echo: write error: Invalid argument root@p-tgl02/sys/kernel/debug/pmc_core # echo 22 > ltr_ignore -bash: echo: write error: Invalid argument root@p-tgl02/sys/kernel/debug/pmc_core # echo 20 > ltr_ignore root@p-tgl02/sys/kernel/debug/pmc_core # So need your help to have a patch for the offset number 21, 22 device LTR supported. Target Release: 20.04 Target Kernel: 5.7 Description: Intel PMC_CORE driver, the currently device LTR ignore function support covers the IP offset from 0 to 20, while e.g. tgl , which support IP offset 21 and 22 root@p-tgl02/sys/kernel/debug/pmc_core # cat ltr_show SOUTHPORT_A LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SOUTHPORT_B LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SATA LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 GIGABIT_ETHERNET LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 XHCI LTR: RAW: 0x9001 Non-Snoop(ns): 0 Snoop(ns): 1048576 Reserved LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 ME LTR: RAW: 0x8000800 Non-Snoop(ns): 0 Snoop(ns): 0 EVA LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SOUTHPORT_C LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 HD_AUDIO LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 CNV LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 LPSS LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SOUTHPORT_D LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SOUTHPORT_E LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 CAMERA LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 ESPI LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 SCC LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 ISH LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 UFSX2 LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 EMMC LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 WIGIG LTR: RAW: 0x0 Non-Snoop(ns): 0 Snoop(ns): 0 CURRENT_PLATFORM LTR: RAW: 0x40201 Non-Snoop(ns): 0 Snoop(ns): 0 AGGREGATED_SYSTEM LTR: RAW: 0x7dbebf5 Non-Snoop(ns): 0 Snoop(ns): 1037312 and currently pmc_core does not support offset number 21, 22 device LTR ignore: root@p-tgl02/sys/kernel/debug/pmc_core # echo 21 > ltr_ignore -bash: echo: write error: Invalid argument root@p-tgl02/sys/kernel/debug/pmc_core # echo 22 > ltr_ignore -bash: echo: write error: Invalid argument root@p-tgl02/sys/kernel/debug/pmc_core # echo 20 > ltr_ignore root@p-tgl02/sys/kernel/debug/pmc_core # So need your help to have a patch for the offset number 21, 22 device LTR supported. Target Release: 20.10 Target Kernel: 5.7
2020-05-13 08:21:17 quanxian tags focal intel-kernel-20.04 tigerlake focal intel-kernel-20.10 tigerlake
2020-11-16 05:18:55 quanxian intel: status Fix Committed Fix Released