** Description changed: [Impact] Per https://patchwork.kernel.org/cover/10737541/ : "Every controller HW version has had bugs. These bugs have been very painful to debug. One useful tool to debug these is being able to capture and export HW registers and driver control structures at point of failure." [Test Case] + echo "options hisi_sas_main hisi_sas_debugfs_enable=1" | \ + sudo tee /etc/modprobe.d/hisi-sas-debugfs.conf + sudo mkinitramfs -o /boot/initrd.img-$(uname -r) $(uname -r) + sudo reboot + [...] test -d /sys/kernel/debug/hisi_sas [Fix] 5979f33b982dc scsi: hisi_sas: Add debugfs ITCT file and add file operations 5b0eeac4bed4b scsi: hisi_sas: Fix type casting and missing static qualifier in debugfs code c2c7e74057715 scsi: hisi_sas: No need to check return value of debugfs_create functions 1afb4b8524797 scsi: hisi_sas: Add debugfs IOST file and add file operations 148e379f60c5c scsi: hisi_sas: Add debugfs DQ file and add file operations 971afae7cf4f7 scsi: hisi_sas: Add debugfs CQ file and add file operations 61a6ebf3f5842 scsi: hisi_sas: Add debugfs for port registers caefac1996764 scsi: hisi_sas: Debugfs global register create file and add file operations 49159a5e4175f scsi: hisi_sas: Take debugfs snapshot for all regs eb1c2b72b7694 scsi: hisi_sas: Alloc debugfs snapshot buffer memory for all registers ef63464bcf8fe scsi: hisi_sas: Create root and device debugfs directories [Regression Risk] Code changes are restricted to the on-chip SAS controller on hi1620 SoCs.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1819500 Title: hisi_sas: add debugfs support Status in linux package in Ubuntu: In Progress Bug description: [Impact] Per https://patchwork.kernel.org/cover/10737541/ : "Every controller HW version has had bugs. These bugs have been very painful to debug. One useful tool to debug these is being able to capture and export HW registers and driver control structures at point of failure." [Test Case] echo "options hisi_sas_main debugfs_enable=1" | \ sudo tee /etc/modprobe.d/hisi-sas-debugfs.conf sudo mkinitramfs -o /boot/initrd.img-$(uname -r) $(uname -r) sudo reboot [...] test -d /sys/kernel/debug/hisi_sas [Fix] 5979f33b982dc scsi: hisi_sas: Add debugfs ITCT file and add file operations 5b0eeac4bed4b scsi: hisi_sas: Fix type casting and missing static qualifier in debugfs code c2c7e74057715 scsi: hisi_sas: No need to check return value of debugfs_create functions 1afb4b8524797 scsi: hisi_sas: Add debugfs IOST file and add file operations 148e379f60c5c scsi: hisi_sas: Add debugfs DQ file and add file operations 971afae7cf4f7 scsi: hisi_sas: Add debugfs CQ file and add file operations 61a6ebf3f5842 scsi: hisi_sas: Add debugfs for port registers caefac1996764 scsi: hisi_sas: Debugfs global register create file and add file operations 49159a5e4175f scsi: hisi_sas: Take debugfs snapshot for all regs eb1c2b72b7694 scsi: hisi_sas: Alloc debugfs snapshot buffer memory for all registers ef63464bcf8fe scsi: hisi_sas: Create root and device debugfs directories [Regression Risk] Code changes are restricted to the on-chip SAS controller on hi1620 SoCs. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1819500/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp