[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
Ubuntu 18.10 (Cosmic Cuttlefish) has reached end of life, so this bug will not be fixed for that specific release. ** Changed in: linux (Ubuntu Cosmic) Status: Fix Committed => Won't Fix -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: Fix Released Status in linux package in Ubuntu: Fix Committed Status in linux source package in Bionic: Confirmed Status in linux source package in Cosmic: Won't Fix Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
Both of these patches are in Focal so I am going to close this bug ** Changed in: dell-poweredge Status: New => Fix Released -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: Fix Released Status in linux package in Ubuntu: Fix Committed Status in linux source package in Bionic: Confirmed Status in linux source package in Cosmic: Fix Committed Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
** Changed in: linux (Ubuntu Bionic) Assignee: Joseph Salisbury (jsalisbury) => (unassigned) ** Changed in: linux (Ubuntu Bionic) Status: In Progress => Confirmed -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: Fix Committed Status in linux source package in Bionic: Confirmed Status in linux source package in Cosmic: Fix Committed Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
Thanks for the feedback. If you can get a list of additional commits that are needed in Bionic, that would be great. An alternative would be for us to perform a reverse bisect, but that would require a lot of testing and be time consuming. ** Changed in: linux (Ubuntu Cosmic) Status: In Progress => Fix Committed -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: Fix Committed Status in linux source package in Bionic: In Progress Status in linux source package in Cosmic: Fix Committed Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
@jsalisbury - Unfortunately we do not have that info in hand. I'll check if we can try getting it. I see the patches in HWE 4.18 kernel of 18.04.2. Thanks for including them in it. -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Cosmic: In Progress Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
Do you happen to know which commits are also needed in 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Cosmic: In Progress Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
The cosmic test-kernel based on v4.18 is a Pass. Please include them in planned HWE kernels of 18.04.2 that is based on v4.18. The bionic test-kernel based on v4.15 is a Fail. This requires a few more patches to be included. -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Cosmic: In Progress Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
Thank you for sharing a test-kernel. We will test it and revert back here with test-results. Thanks, Sujith -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Cosmic: In Progress Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
A bionic test kernel is also available with commits 3dbe97efe8bf and 9f0e89359775 applied. The test kernel can be downloaded from: http://kernel.ubuntu.com/~jsalisbury/lp1794110/bionic Can you test this kernel and see if it resolves this bug? -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Cosmic: In Progress Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
I built a test kernel with the two requested commits. The test kernel can be downloaded from: http://kernel.ubuntu.com/~jsalisbury/lp1794110/cosmic Can you test this kernel and see if it resolves this bug? Note about installing test kernels: • If the test kernel is prior to 4.15(Bionic) you need to install the linux-image and linux-image-extra .deb packages. • If the test kernel is 4.15(Bionic) or newer, you need to install the linux-modules, linux-modules-extra and linux-image-unsigned .deb packages. Thanks in advance! -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Cosmic: In Progress Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
Also, cosmic already has commit 3dbe97efe8bf applied, so the test kernel just needed commit 9f0e89359775. -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Cosmic: In Progress Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
The test kernel posted in comment #2 is for cosmic. Bionic needs some backporting, so I'll post that test kernel shortly. -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Cosmic: In Progress Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
** Changed in: linux (Ubuntu Cosmic) Status: Triaged => Fix Released ** Changed in: linux (Ubuntu Cosmic) Status: Fix Released => In Progress ** Changed in: linux (Ubuntu Cosmic) Assignee: (unassigned) => Joseph Salisbury (jsalisbury) ** Changed in: linux (Ubuntu Bionic) Status: Triaged => In Progress ** Changed in: linux (Ubuntu Bionic) Assignee: (unassigned) => Joseph Salisbury (jsalisbury) -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: In Progress Status in linux source package in Bionic: In Progress Status in linux source package in Cosmic: In Progress Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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
[Kernel-packages] [Bug 1794110] Re: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD
** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Incomplete => Triaged ** Also affects: linux (Ubuntu Cosmic) Importance: Medium Status: Triaged ** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Bionic) Status: New => Triaged ** Changed in: linux (Ubuntu Bionic) Importance: Undecided => Medium ** Tags added: bionic cosmic kernel-da-key -- 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/1794110 Title: MPS (Max Payload Size) is not correctly programmed upon Hot Insertion NVMe PCIe SSD Status in The Dell-poweredge project: New Status in linux package in Ubuntu: Triaged Status in linux source package in Bionic: Triaged Status in linux source package in Cosmic: Triaged Bug description: Max Payload Size for the NVMe device is not getting programmed correctly. The OS is trying to set the device MPS to match Root Port which is greater than Capability of Device, instead of looking for lowest common denominator. This is fixed in upstream kernel version 4.19. Below are the commits that fix the issue. Please help include them in Ubuntu releases. PCI: Skip MPS logic for Virtual Functions (VFs) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=3dbe97efe8bf450b183d6dee2305cbc032e6b8a4 PCI: Match Root Port's MPS to endpoint's MPSS as necessary https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/pci/probe.c?h=v4.19-rc2&id=9f0e89359775ee21fe1ea732e34edb52aef5addf To manage notifications about this bug go to: https://bugs.launchpad.net/dell-poweredge/+bug/1794110/+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