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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [qemu-mainline bisection] complete test-armhf-armhf-xl-multivcpu
branch xen-unstable
xen branch xen-unstable
job test-armhf-armhf-xl-multivcpu
test leak-check/check
Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemuu git://git.qemu.org/qemu.git
Tree: xen git://xenbits.xen.org/xen.git
*** Found and reproduced problem changeset ***
Bug is in tree: xen git://xenbits.xen.org/xen.git
Bug introduced: 45fcc4568c5162b00fb3907fb158af82dd484a3d
Bug not present: e13013dbf1d5997915548a3b5f1c39594d8c1d7b
commit 45fcc4568c5162b00fb3907fb158af82dd484a3d
Author: David Vrabel <david.vrabel@xxxxxxxxxx>
Date: Fri May 15 09:49:12 2015 +0200
use ticket locks for spin locks
Replace the byte locks with ticket locks. Ticket locks are: a) fair;
and b) peform better when contented since they spin without an atomic
operation.
The lock is split into two ticket values: head and tail. A locker
acquires a ticket by (atomically) increasing tail and using the
previous tail value. A CPU holds the lock if its ticket == head. The
lock is released by increasing head.
spin_lock_irq() and spin_lock_irqsave() now spin with irqs disabled
(previously, they would spin with irqs enabled if possible). This is
required to prevent deadlocks when the irq handler tries to take the
same lock with a higher ticket.
Architectures need only provide arch_fetch_and_add() and two barriers:
arch_lock_acquire_barrier() and arch_lock_release_barrier().
Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
Reviewed-by: Tim Deegan <tim@xxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
For bisection revision-tuple graph see:
http://logs.test-lab.xenproject.org/osstest/results/bisect.qemu-mainline.test-armhf-armhf-xl-multivcpu.leak-check--check.html
Revision IDs in each graph node refer, respectively, to the Trees above.
----------------------------------------
Searching for failure / basis pass:
57591 fail [host=arndale-bluewater] / 57448 [host=arndale-westfield] 57404
[host=arndale-lakeside] 57288 [host=cubietruck-metzinger] 57266
[host=arndale-westfield] 57174 [host=cubietruck-picasso] 57141
[host=arndale-lakeside] 57112 [host=arndale-metrocentre] 57078 ok.
Failure / basis pass flights: 57591 / 57078
Tree: linux git://xenbits.xen.org/linux-pvops.git
Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
Tree: qemuu git://git.qemu.org/qemu.git
Tree: xen git://xenbits.xen.org/xen.git
Latest ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
97af820f539efe80b87615a04f9de11ea585f725
d6b6bd8374ac30597495d457829ce7ad6e8b7016
Basis pass ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
e13013dbf1d5997915548a3b5f1c39594d8c1d7b
Generating revisions with ./adhoc-revtuple-generator
git://xenbits.xen.org/linux-pvops.git#ec18c9fc039971041d854e0d58551f1f1a32ff8f-ec18c9fc039971041d854e0d58551f1f1a32ff8f
git://xenbits.xen.org/osstest/linux-firmware.git#c530a75c1e6a472b0eb9558310b518f0dfcd8860-c530a75c1e6a472b0eb9558310b518f0dfcd8860
git://git.qemu.org/qemu.git#bb2fa17f182ee0b45b53474f76679944fc891f04-97af820f539efe80b87615a04f9de11ea585f725
git://xenbits.xen.org/xen.git#e13013dbf1d5997915548a3b5f1c39594d8c1d7b-d6b6bd8374ac30597495d457829ce7ad6e8b7016
+ exec
+ sh -xe
+ cd /home/osstest/repos/qemu
+ git remote set-url origin git://cache:9419/git://git.qemu.org/qemu.git
+ git fetch -p origin +refs/heads/*:refs/remotes/origin/*
+ exec
+ sh -xe
+ cd /home/osstest/repos/xen
+ git remote set-url origin git://cache:9419/git://xenbits.xen.org/xen.git
+ git fetch -p origin +refs/heads/*:refs/remotes/origin/*
+ exec
+ sh -xe
+ cd /home/osstest/repos/qemu
+ git remote set-url origin git://cache:9419/git://git.qemu.org/qemu.git
+ git fetch -p origin +refs/heads/*:refs/remotes/origin/*
+ exec
+ sh -xe
+ cd /home/osstest/repos/xen
+ git remote set-url origin git://cache:9419/git://xenbits.xen.org/xen.git
+ git fetch -p origin +refs/heads/*:refs/remotes/origin/*
Loaded 5051 nodes in revision graph
Searching for test results:
57078 pass ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
e13013dbf1d5997915548a3b5f1c39594d8c1d7b
57174 [host=cubietruck-picasso]
57112 [host=arndale-metrocentre]
57141 [host=arndale-lakeside]
57266 [host=arndale-westfield]
57288 [host=cubietruck-metzinger]
57404 [host=arndale-lakeside]
57513 blocked ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
ce0274f730eacbd24c706523ddbbabb6b95d0659
d6b6bd8374ac30597495d457829ce7ad6e8b7016
57448 [host=arndale-westfield]
57592 pass ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
e13013dbf1d5997915548a3b5f1c39594d8c1d7b
57604 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
ce0274f730eacbd24c706523ddbbabb6b95d0659
d6b6bd8374ac30597495d457829ce7ad6e8b7016
57667 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
97af820f539efe80b87615a04f9de11ea585f725
d6b6bd8374ac30597495d457829ce7ad6e8b7016
57591 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
97af820f539efe80b87615a04f9de11ea585f725
d6b6bd8374ac30597495d457829ce7ad6e8b7016
57692 blocked ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
ed60a28e08a303a4f9ae35ff941820eaf459a31c
57728 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
1037e33c88bb0e1fe530c164f242df17030102e1
57679 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
2bc22a58e16f0650e56dccfac9495e5aef58e2ef
d6b6bd8374ac30597495d457829ce7ad6e8b7016
57714 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
95668b015384879d36e2f3f0bd38b85fdcd34ef1
57684 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
cd6cb73beb63e5fa62ca8ed540b9d54063b15c44
1cfb320b88588bb42e95eb49fba69358802b771e
57700 blocked ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
931f5777c710823c44c1d35e94991b65f4b6d078
57746 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
45fcc4568c5162b00fb3907fb158af82dd484a3d
57742 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
e62e49e6d5d4e8d22f3df0b75443ede65a812435
57722 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
21fb45ddaf9efd066bad87073d2ae459c9bb04bf
57754 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
45fcc4568c5162b00fb3907fb158af82dd484a3d
57734 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
acc0899ef41e763c665c542beca6809049fac11c
57752 pass ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
e13013dbf1d5997915548a3b5f1c39594d8c1d7b
57758 blocked ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
e13013dbf1d5997915548a3b5f1c39594d8c1d7b
57765 pass ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
e13013dbf1d5997915548a3b5f1c39594d8c1d7b
57770 fail ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
45fcc4568c5162b00fb3907fb158af82dd484a3d
Searching for interesting versions
Result found: flight 57078 (pass), for basis pass
Result found: flight 57591 (fail), for basis failure
Repro found: flight 57592 (pass), for basis pass
Repro found: flight 57667 (fail), for basis failure
0 revisions at ec18c9fc039971041d854e0d58551f1f1a32ff8f
c530a75c1e6a472b0eb9558310b518f0dfcd8860
bb2fa17f182ee0b45b53474f76679944fc891f04
e13013dbf1d5997915548a3b5f1c39594d8c1d7b
No revisions left to test, checking graph state.
Result found: flight 57078 (pass), for last pass
Result found: flight 57746 (fail), for first failure
Repro found: flight 57752 (pass), for last pass
Repro found: flight 57754 (fail), for first failure
Repro found: flight 57765 (pass), for last pass
Repro found: flight 57770 (fail), for first failure
*** Found and reproduced problem changeset ***
Bug is in tree: xen git://xenbits.xen.org/xen.git
Bug introduced: 45fcc4568c5162b00fb3907fb158af82dd484a3d
Bug not present: e13013dbf1d5997915548a3b5f1c39594d8c1d7b
+ exec
+ sh -xe
+ cd /home/osstest/repos/xen
+ git remote set-url origin git://cache:9419/git://xenbits.xen.org/xen.git
+ git fetch -p origin +refs/heads/*:refs/remotes/origin/*
commit 45fcc4568c5162b00fb3907fb158af82dd484a3d
Author: David Vrabel <david.vrabel@xxxxxxxxxx>
Date: Fri May 15 09:49:12 2015 +0200
use ticket locks for spin locks
Replace the byte locks with ticket locks. Ticket locks are: a) fair;
and b) peform better when contented since they spin without an atomic
operation.
The lock is split into two ticket values: head and tail. A locker
acquires a ticket by (atomically) increasing tail and using the
previous tail value. A CPU holds the lock if its ticket == head. The
lock is released by increasing head.
spin_lock_irq() and spin_lock_irqsave() now spin with irqs disabled
(previously, they would spin with irqs enabled if possible). This is
required to prevent deadlocks when the irq handler tries to take the
same lock with a higher ticket.
Architectures need only provide arch_fetch_and_add() and two barriers:
arch_lock_acquire_barrier() and arch_lock_release_barrier().
Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
Reviewed-by: Tim Deegan <tim@xxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Revision graph left in
/home/logs/results/bisect.qemu-mainline.test-armhf-armhf-xl-multivcpu.leak-check--check.{dot,ps,png,html}.
----------------------------------------
57770: tolerable ALL FAIL
flight 57770 qemu-mainline real-bisect [real]
http://logs.test-lab.xenproject.org/osstest/logs/57770/
Failures :-/ but no regressions.
Tests which did not succeed,
including tests which could not be run:
test-armhf-armhf-xl-multivcpu 17 leak-check/check fail baseline untested
test-armhf-armhf-xl-multivcpu 12 migrate-support-check fail never pass
jobs:
test-armhf-armhf-xl-multivcpu fail
------------------------------------------------------------
sg-report-flight on osstest.test-lab.xenproject.org
logs: /home/logs/logs
images: /home/logs/images
Logs, config files, etc. are available at
http://logs.test-lab.xenproject.org/osstest/logs
Test harness code can be found at
http://xenbits.xen.org/gitweb?p=osstest.git;a=summary
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