Default Comment by Bridge
** Attachment added: "cxlflash patch for shutdown"
https://bugs.launchpad.net/bugs/1605405/+attachment/4704966/+files/0001-cxlflash-Verify-problem-state-area-is-mapped-before-.patch
** Changed in: ubuntu
Assignee: (unassigned) => Taco Screen team (taco-screen-team)
** Package changed: ubuntu => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1605405
Title:
Backport cxlflash shutdown patch to Xenial SRU
Status in linux package in Ubuntu:
New
Bug description:
== Comment: #0 - UMA KRISHNAN - 2016-07-21 17:39:18 ==
---Problem Description---
A patch is now in the process of upstream for the cxlflash driver. Can this
be pulled into Xenial SRU ?
I have attached the patch with this bug. The link to the mail sent to
community is,
http://marc.info/?l=linux-scsi&m=146913386924240&w=2
cxlflash: Verify problem state area is mapped before notifying shutdown
---uname output---
4.4.0-31.50
---Steps to Reproduce---
Execute cxlflash FVT tests
Stack trace output:
[c000000f1da03b60] c0000000005eccfc pci_device_shutdown+0x6c/0x100
[c000000f1da03ba0] c0000000006d67d4 device_shutdown+0x1b4/0x2c0
[c000000f1da03c40] c0000000000ea30c kernel_restart_prepare+0x5c/0x80
[c000000f1da03c70] c0000000000ea48c kernel_restart+0x2c/0xc0
[c000000f1da03ce0] c0000000000ea970 SyS_reboot+0x1c0/0x2d0
[c000000f1da03e30] c000000000009204 system_call+0x38/0xb4
Oops output:
cpu 0xa: Vector: 300 (Data Access) at [c000000f1da03840]
pc: d00000000aaf0e64: notify_shutdown+0x84/0x220 [cxlflash]
lr: c0000000005eccfc: pci_device_shutdown+0x6c/0x100
sp: c000000f1da03ac0
msr: 9000000000009033
dar: 2012328
dsisr: 40000000
current = 0xc000000f1d940000
paca = 0xc00000000fb45f00 softe: 0 irq_happened: 0x01
pid = 1, comm = systemd-shutdow
enter ? for help
[c000000f1da03b60] c0000000005eccfc pci_device_shutdown+0x6c/0x100
[c000000f1da03ba0] c0000000006d67d4 device_shutdown+0x1b4/0x2c0
[c000000f1da03c40] c0000000000ea30c kernel_restart_prepare+0x5c/0x80
[c000000f1da03c70] c0000000000ea48c kernel_restart+0x2c/0xc0
[c000000f1da03ce0] c0000000000ea970 SyS_reboot+0x1c0/0x2d0
[c000000f1da03e30] c000000000009204 system_call+0x38/0xb4
--- Exception: c01 (System Call) at 00003fffa4129bec
SP (3fffce171820) is in userspace
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