-- bionic -- ubuntu@hotdog:~$ uname -a Linux hotdog 4.15.0-42-generic #45-Ubuntu SMP Thu Nov 15 19:31:49 UTC 2018 aarch64 aarch64 aarch64 GNU/Linux ubuntu@hotdog:~$
ubuntu@hotdog:~$ for i in {1..500}; do sudo modprobe -r ipmi_ssif; sleep 2s ; sudo modprobe ipmi_ssif || exit; done ubuntu@hotdog:~$ --- dmesg --- Nov 20 17:42:30 hotdog kernel: [ 1326.490808] IPMI SSIF Interface driver Nov 20 17:42:30 hotdog kernel: [ 1326.522331] ipmi_ssif: Trying SMBIOS-specified SSIF interface at i2c address 0xe, adapter xlp9xx-i2c, slave address 0x20 Nov 20 17:42:30 hotdog kernel: [ 1326.638455] ipmi_ssif 0-000e: Found new BMC (man_id: 0x00b3d1, prod_id: 0x0001, dev_id: 0x20) Works as expected, no errors in dmesg. ** Tags removed: verification-needed-bionic ** Tags added: verification-done-bionic -- 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/1799276 Title: [Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: Fix Committed Bug description: [Impact] The IPMI spec states: The purpose of the SPMI Table is to provide a mechanism that can be used by the OSPM (an ACPI term for “OS Operating System-directed configuration and Power Management” essentially meaning an ACPI-aware OS or OS loader) very early in the boot process, e.g., before the ability to execute ACPI control methods in the OS is available. When we are probing IPMI in Linux, ACPI control methods are available, so we shouldn't be probing using SPMI. It could cause some confusion during the probing process. [Fix] Fixed upstream in 4.17: commit 4866b1dce0389013a268f0ab63f7229b30c6e5fe Author: Corey Minyard <cminy...@mvista.com> Date: Thu Mar 8 15:00:28 2018 -0600 ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver [Test] -- Test case -- for i in {1..500}; do sudo modprobe -r ipmi_ssif; sleep 2s ; sudo modprobe ipmi_ssif || exit; done -------------- -- Before Applying the patch -- Jun 19 18:53:04 starbuck kernel: [ 126.351580] ipmi_ssif 0-000e: Found new BMC (man_id: 0x000000, prod_id: 0x0202, dev_id: 0x20) Jun 19 18:53:06 starbuck kernel: [ 128.725391] ipmi_ssif: probe of dmi-ipmi-ssif.1 failed with error -17 -- With patch applied -- Oct 19 19:59:49 starbuck kernel: [ 1501.699109] IPMI SSIF Interface driver Oct 19 19:59:49 starbuck kernel: [ 1501.730439] ipmi_ssif: Trying SMBIOS-specified SSIF interface at i2c address 0xe, adapter xlp9xx-i2c, slave address 0x20 Oct 19 19:59:49 starbuck kernel: [ 1501.862509] ipmi_ssif 0-000e: Found new BMC (man_id: 0x000000, prod_id: 0x0202, dev_id: 0x20) [Regression Potential] This patch applies to ipmi_ssif driver and was tested on ARM64 Cavium ThunderX2 platform and no regressions were found. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1799276/+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