This bug was fixed in the package linux - 3.16.0-21.28
---
linux (3.16.0-21.28) utopic; urgency=low
[ Andy Whitcroft ]
* [Config] linux-image-extra is additive to linux-image
- LP: #1375310
* [Config] linux-image-extra postrm is not needed on purge
[ dann frazier ]
*
This bug was fixed in the package linux - 3.13.0-36.63
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linux (3.13.0-36.63) trusty; urgency=low
[ Joseph Salisbury ]
* Release Tracking Bug
- LP: #1365052
[ Feng Kan ]
* SAUCE: (no-up) irqchip:gic: change access of gicc_ctrl register to read
modify write.
-
** Branch linked: lp:ubuntu/precise-security/linux-lts-trusty
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https://bugs.launchpad.net/bugs/1359514
Title:
pci-xgene-msi: fixed deadlock in irq_set_affinity
Status in
** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty
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https://bugs.launchpad.net/bugs/1359514
Title:
pci-xgene-msi: fixed deadlock in
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-
trusty' to 'verification-done-trusty'.
If verification is not done by 5 working days from
** Branch linked: lp:ubuntu/precise-proposed/linux-lts-trusty
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https://bugs.launchpad.net/bugs/1359514
Title:
pci-xgene-msi: fixed deadlock in irq_set_affinity
Status in
** Branch linked: lp:ubuntu/trusty-proposed/linux-keystone
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https://bugs.launchpad.net/bugs/1359514
Title:
pci-xgene-msi: fixed deadlock in irq_set_affinity
Status in
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Utopic)
Importance: Medium
Status: Triaged
** Changed in: linux (Ubuntu Trusty)
Status: New = Fix Committed
** Changed in: linux (Ubuntu Trusty)
Assignee:
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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https://bugs.launchpad.net/bugs/1359514
Title:
pci-xgene-msi: fixed deadlock in irq_set_affinity
** Patch added:
0001-UBUNTU-SAUCE-no-up-pci-xgene-msi-fixed-deadlock-in-i.patch
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1359514/+attachment/4188555/+files/0001-UBUNTU-SAUCE-no-up-pci-xgene-msi-fixed-deadlock-in-i.patch
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[IMPACT]
The CPU x doesn't have a chance to exit the xgene_msi_cascade function to
unlock desc-lock before Linux scheduce and call xgene_msi_set_affinity
(irqbalance is caller) in the same CPU x. In irq_set_affinity, call
raw_spin_lock_irqsave(desc-lock, flags) which cause deadlock to CPU x
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
** Tags added: patch
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https://bugs.launchpad.net/bugs/1359514
Title:
pci-xgene-msi: fixed deadlock in
** Patch removed:
0001-UBUNTU-SAUCE-no-up-pci-xgene-msi-fixed-deadlock-in-i.patch
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1359514/+attachment/4188555/+files/0001-UBUNTU-SAUCE-no-up-pci-xgene-msi-fixed-deadlock-in-i.patch
** Patch added:
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
** Tags added: kernel-da-key
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https://bugs.launchpad.net/bugs/1359514
Title:
pci-xgene-msi: fixed deadlock
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