Public bug reported:
Random oopses on s390 systems using NVMe and running the Ubuntu 18.04.1 kernel
have been reported.
Bisect of the upstream kernel points to:
16ccfff28976 nvme: pci: pass max vectors as num_possible_cpus() to
pci_alloc_irq_vectors
This commit is correct but reveals a bug in s390s IRQ setup routine. A
fix is available fixed via:
Commit-ID : 866f3576a72b2233a76dffb80290f8086dc49e17
Need also be applied for Ubuntu 18.10
** Affects: ubuntu-z-systems
Importance: High
Assignee: Canonical Kernel Team (canonical-kernel-team)
Status: Triaged
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status: New
** Tags: architecture-s39064 bugnameltc-170595 severity-high
targetmilestone-inin1804
** Tags added: architecture-s39064 bugnameltc-170595 severity-high
targetmilestone-inin1804
** Changed in: ubuntu
Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)
** Package changed: ubuntu => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1790480
Title:
random oopses on s390 systems using NVMe devices
Status in Ubuntu on IBM z Systems:
Triaged
Status in linux package in Ubuntu:
New
Bug description:
Random oopses on s390 systems using NVMe and running the Ubuntu 18.04.1
kernel have been reported.
Bisect of the upstream kernel points to:
16ccfff28976 nvme: pci: pass max vectors as num_possible_cpus() to
pci_alloc_irq_vectors
This commit is correct but reveals a bug in s390s IRQ setup routine. A
fix is available fixed via:
Commit-ID : 866f3576a72b2233a76dffb80290f8086dc49e17
Need also be applied for Ubuntu 18.10
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