[Kernel-packages] [Bug 1799276] Re: [Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
** Tags added: cscc
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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 Released
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
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: 0x00, 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: 0x00, 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:
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[Kernel-packages] [Bug 1799276] Re: [Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
This bug was fixed in the package linux - 4.15.0-42.45
---
linux (4.15.0-42.45) bionic; urgency=medium
* linux: 4.15.0-42.45 -proposed tracker (LP: #1803592)
* [FEAT] Guest-dedicated Crypto Adapters (LP: #1787405)
- KVM: s390: reset crypto attributes for all vcpus
- KVM: s390: vsie: simulate VCPU SIE entry/exit
- KVM: s390: introduce and use KVM_REQ_VSIE_RESTART
- KVM: s390: refactor crypto initialization
- s390: vfio-ap: base implementation of VFIO AP device driver
- s390: vfio-ap: register matrix device with VFIO mdev framework
- s390: vfio-ap: sysfs interfaces to configure adapters
- s390: vfio-ap: sysfs interfaces to configure domains
- s390: vfio-ap: sysfs interfaces to configure control domains
- s390: vfio-ap: sysfs interface to view matrix mdev matrix
- KVM: s390: interface to clear CRYCB masks
- s390: vfio-ap: implement mediated device open callback
- s390: vfio-ap: implement VFIO_DEVICE_GET_INFO ioctl
- s390: vfio-ap: zeroize the AP queues
- s390: vfio-ap: implement VFIO_DEVICE_RESET ioctl
- KVM: s390: Clear Crypto Control Block when using vSIE
- KVM: s390: vsie: Do the CRYCB validation first
- KVM: s390: vsie: Make use of CRYCB FORMAT2 clear
- KVM: s390: vsie: Allow CRYCB FORMAT-2
- KVM: s390: vsie: allow CRYCB FORMAT-1
- KVM: s390: vsie: allow CRYCB FORMAT-0
- KVM: s390: vsie: allow guest FORMAT-0 CRYCB on host FORMAT-1
- KVM: s390: vsie: allow guest FORMAT-1 CRYCB on host FORMAT-2
- KVM: s390: vsie: allow guest FORMAT-0 CRYCB on host FORMAT-2
- KVM: s390: device attrs to enable/disable AP interpretation
- KVM: s390: CPU model support for AP virtualization
- s390: doc: detailed specifications for AP virtualization
- KVM: s390: fix locking for crypto setting error path
- KVM: s390: Tracing APCB changes
- s390: vfio-ap: setup APCB mask using KVM dedicated function
- s390/zcrypt: Add ZAPQ inline function.
- s390/zcrypt: Review inline assembler constraints.
- s390/zcrypt: Integrate ap_asm.h into include/asm/ap.h.
- s390/zcrypt: fix ap_instructions_available() returncodes
- s390/zcrypt: remove VLA usage from the AP bus
- s390/zcrypt: Remove deprecated ioctls.
- s390/zcrypt: Remove deprecated zcrypt proc interface.
- s390/zcrypt: Support up to 256 crypto adapters.
- [Config:] Enable CONFIG_S390_AP_IOMMU and set CONFIG_VFIO_AP to module.
* Bypass of mount visibility through userns + mount propagation (LP: #1789161)
- mount: Retest MNT_LOCKED in do_umount
- mount: Don't allow copying MNT_UNBINDABLE|MNT_LOCKED mounts
* CVE-2018-18955: nested user namespaces with more than five extents
incorrectly grant privileges over inode (LP: #1801924) // CVE-2018-18955
- userns: also map extents in the reverse map to kernel IDs
* kdump fail due to an IRQ storm (LP: #1797990)
- SAUCE: x86/PCI: Export find_cap() to be used in early PCI code
- SAUCE: x86/quirks: Add parameter to clear MSIs early on boot
- SAUCE: x86/quirks: Scan all busses for early PCI quirks
-- Thadeu Lima de Souza Cascardo Thu, 15 Nov
2018 17:01:46 -0200
** Changed in: linux (Ubuntu Bionic)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-18955
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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 Released
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
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: 0x00, 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
[Kernel-packages] [Bug 1799276] Re: [Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
-- 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
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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
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: 0x00, 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: 0x00, 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
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[Kernel-packages] [Bug 1799276] Re: [Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verification-needed-bionic' to 'verification-failed-
bionic'.
If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.
See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!
** Tags added: verification-needed-bionic
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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
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: 0x00, 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: 0x00, 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
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[Kernel-packages] [Bug 1799276] Re: [Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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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
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: 0x00, 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: 0x00, 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
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[Kernel-packages] [Bug 1799276] Re: [Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
** Changed in: linux (Ubuntu Bionic)
Status: Triaged => In Progress
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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:
In Progress
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
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: 0x00, 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: 0x00, 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
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[Kernel-packages] [Bug 1799276] Re: [Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
Requested patch is part of upstream v4.17 so fix released for Cosmic and
later.
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
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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:
Triaged
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
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: 0x00, 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: 0x00, 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
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[Kernel-packages] [Bug 1799276] Re: [Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
Regression tested on ARM64 Hisilicon D06 and found no regressions.
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Title:
[Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
Status in linux package in Ubuntu:
Triaged
Status in linux source package in Bionic:
Triaged
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
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: 0x00, 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: 0x00, 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:
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[Kernel-packages] [Bug 1799276] Re: [Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => Triaged
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
** Changed in: linux (Ubuntu Bionic)
Importance: Undecided => Critical
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https://bugs.launchpad.net/bugs/1799276
Title:
[Bionic] ipmi: Remove ACPI SPMI probing from the SSIF (I2C) driver
Status in linux package in Ubuntu:
Triaged
Status in linux source package in Bionic:
Triaged
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
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: 0x00, 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: 0x00, 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.
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