ISST-LTE: Ubuntu 15.04 lpar crashes at iommu_free_table after adapter DLPAR operation
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
High
|
Leann Ogasawara |
Bug Description
Description:
-------
I have installed all packages required for DLPAR in Ubuntu 15.04. When i am trying to do network adapter DLPAR operation, lpar crashes.
root@highlp1:
cpu 0xa: Vector: 700 (Program Check) at [c00000016e67f850]
pc: c000000000040484: iommu_free_
lr: c00000000004047c: iommu_free_
sp: c00000016e67fad0
msr: 8000000000029033
current = 0xc00000016b4277e0
paca = 0xc000000007b35a00 softe: 0 irq_happened: 0x01
pid = 3288, comm = drmgr
kernel BUG at /build/
enter ? for help
[c00000016e67fb40] c000000000083428 iommu_reconfig_
[c00000016e67fb70] c0000000000dab38 notifier_
[c00000016e67fbc0] c0000000000db244 __blocking_
[c00000016e67fc10] c000000000877290 of_reconfig_
[c00000016e67fc40] c000000000877cdc of_detach_
[c00000016e67fc70] c0000000000809b8 ofdt_write+
[c00000016e67fd40] c0000000003459f0 proc_reg_
[c00000016e67fd90] c0000000002b950c vfs_write+
[c00000016e67fde0] c0000000002ba0ac SyS_write+
[c00000016e67fe30] c00000000000927c syscall_
--- Exception: c01 (System Call) at 00001000001ba638
SP (3fffdba63300) is in userspace
a:mon>
a:mon>
a:mon>
a:mon> t
[c00000016e67fb40] c000000000083428 iommu_reconfig_
[c00000016e67fb70] c0000000000dab38 notifier_
[c00000016e67fbc0] c0000000000db244 __blocking_
[c00000016e67fc10] c000000000877290 of_reconfig_
[c00000016e67fc40] c000000000877cdc of_detach_
[c00000016e67fc70] c0000000000809b8 ofdt_write+
[c00000016e67fd40] c0000000003459f0 proc_reg_
[c00000016e67fd90] c0000000002b950c vfs_write+
[c00000016e67fde0] c0000000002ba0ac SyS_write+
[c00000016e67fe30] c00000000000927c syscall_
--- Exception: c01 (System Call) at 00001000001ba638
SP (3fffdba63300) is in userspace
a:mon> e
cpu 0xa: Vector: 700 (Program Check) at [c00000016e67f850]
pc: c000000000040484: iommu_free_
lr: c00000000004047c: iommu_free_
sp: c00000016e67fad0
msr: 8000000000029033
current = 0xc00000016b4277e0
paca = 0xc000000007b35a00 softe: 0 irq_happened: 0x01
pid = 3288, comm = drmgr
kernel BUG at /build/
Original patch posted https:/
Updated patch posted as: https:/
Will update again once merged into mpe's tree.
-Nish
tags: | added: architecture-ppc64le bugnameltc-121306 severity-critical targetmilestone-inin1504 |
affects: | ubuntu → linux (Ubuntu) |
Changed in linux (Ubuntu): | |
status: | New → Confirmed |
Changed in linux (Ubuntu): | |
importance: | Undecided → High |
status: | Confirmed → Triaged |
Changed in linux (Ubuntu): | |
assignee: | nobody → Leann Ogasawara (leannogasawara) |
status: | Triaged → In Progress |
Changed in linux (Ubuntu): | |
status: | In Progress → Fix Committed |
------- Comment From <email address hidden> 2015-02-25 16:20 EDT-------
*** Bug 122062 has been marked as a duplicate of this bug. ***