From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [xen-unstable bisection] complete build-i386 Date: Thu, 02 Dec 2010 09:19:19 +0000 Message-ID: <4CF772A80200007800025622@vpn.id2.novell.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: ian.jackson@eu.citrix.com Cc: xen-devel@lists.xensource.com, keir.fraser@eu.citrix.com, stefano.stabellini@eu.citrix.com List-Id: xen-devel@lists.xenproject.org >>> On 02.12.10 at 10:04, xen.org wrote: > branch xen-unstable > xen branch xen-unstable > job build-i386 > test xen-build >=20 > Tree: http://hg.uk.xensource.com/xen-unstable.hg=20 >=20 > *** Found and reproduced problem changeset *** >=20 > Bug is in tree: http://hg.uk.xensource.com/xen-unstable.hg=20 > Bug introduced: 62bf12040b0f > Bug not present: 8420b82c22c2 >=20 >=20 > changeset: 22452:62bf12040b0f > user: Keir Fraser > date: Wed Dec 01 20:10:27 2010 +0000 > =20 > x86: fix IRQ migration when using directed EOI (broken with c/s = 20465) > =20 > In directed-EOI mode, there is no chance to do the migration in > mask_and_ack_level_ioapic_irq(), as the remote IRR bit can't = possibly > be clear after issuing the EOI to the LAPIC. Consequently, there's = no > point to even try. Instead, migration must be done in > end_level_ioapic_irq(), and it requires masking the interrupt = source > prior to issuing the EOI to the IO-APIC. > =20 > Signed-off-by: Jan Beulich Am I right in understanding that this and the other bisection results (all pointing to this same c/s) are false positives again (they all have a "Connection timed out" error somewhere in the middle)? Jan > For bisection revision-tuple graph see: > =20 > http://www.chiark.greenend.org.uk/~xensrcts/results/bisect.xen-unstable.b= uil=20 > d-i386.xen-build.html > Revision IDs in each graph node refer, respectively, to the Trees above. >=20 > ---------------------------------------- > Found failure, as expected, in flight 2943 > Host specification list: host=3Dgall-mite > Searching for basis pass: 2856. > (tree in basispass but not in latest:=20 > git://mariner.uk.xensource.com/qemu-xen-unstable.git) > Tree: http://hg.uk.xensource.com/xen-unstable.hg=20 > Latest c443d0215854 > Basis pass aba70e59a90d > Generating revisions with ./adhoc-revtuple-generator =20 > http://hg.uk.xensource.com/xen-unstable.hg#aba70e59a90d-c443d0215854=20 > pulling from http://hg.uk.xensource.com/xen-unstable.hg=20 > searching for changes > no changes found > pulling from http://hg.uk.xensource.com/xen-unstable.hg=20 > searching for changes > no changes found > Loaded 1001 nodes in revision graph > Searching for test results: > 2852 pass aba70e59a90d > 2853 pass aba70e59a90d > 2869 pass d281061e6ec0 > 2885 pass 8420b82c22c2 > 2930 fail c443d0215854 > 2895 pass 8420b82c22c2 > 2854 pass aba70e59a90d > 2940 fail c443d0215854 > 2855 pass aba70e59a90d > 2943 fail c443d0215854 > 2849 pass aba70e59a90d > 2856 pass aba70e59a90d > 2888 pass 8420b82c22c2 > 2952 fail ddb6c9c6ebb9 > 2953 fail 62bf12040b0f > 2926 fail c443d0215854 > 2954 fail 62bf12040b0f > 2850 pass irrelevant > 2861 pass 3afb5ecbf69f > Searching for interesting versions > 0 revisions at 8420b82c22c2 > No revisions left to test, checking graph state. >=20 > *** Found and reproduced problem changeset *** >=20 > Bug is in tree: http://hg.uk.xensource.com/xen-unstable.hg=20 > Bug introduced: 62bf12040b0f > Bug not present: 8420b82c22c2 >=20 >=20 > changeset: 22452:62bf12040b0f > user: Keir Fraser > date: Wed Dec 01 20:10:27 2010 +0000 > =20 > x86: fix IRQ migration when using directed EOI (broken with c/s = 20465) > =20 > In directed-EOI mode, there is no chance to do the migration in > mask_and_ack_level_ioapic_irq(), as the remote IRR bit can't = possibly > be clear after issuing the EOI to the LAPIC. Consequently, there's = no > point to even try. Instead, migration must be done in > end_level_ioapic_irq(), and it requires masking the interrupt = source > prior to issuing the EOI to the IO-APIC. > =20 > Signed-off-by: Jan Beulich >=20 > Revision graph left in=20 > /home/xc_osstest/results/bisect.xen-unstable.build-i386.xen-build.{dot,ps= ,pn > g,html}. > ---------------------------------------- > 2954: ALL FAIL >=20 > flight 2954 xen-unstable real-bisect [real] > http://www.chiark.greenend.org.uk/~xensrcts/logs/2954/=20 >=20 > tests which did not succeed: > build-i386 4 xen-build fail >=20 > version targeted for testing: > baseline version: >=20 > jobs: > build-i386 fail =20 >=20 > -------------------------------------------------------------------------= ------ > build-i386: > 1 hosts-allocate pass =20 > 2 host-install(2) pass =20 > 3 host-build-prep pass =20 > 4 xen-build fail =20 > xen 22452:62bf12040b0f >=20 > ------------------------------------------------------------ > sg-report-flight on woking.cam.xci-test.com > logs: /home/xc_osstest/logs > images: /home/xc_osstest/images >=20 > Logs, config files, etc. are available at > http://www.chiark.greenend.org.uk/~xensrcts/logs=20 >=20 > Test harness code can be found at > http://xenbits.xensource.com/gitweb?p=3Dosstest.git;a=3Dsummary=20 >=20 >=20 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com=20 > http://lists.xensource.com/xen-devel=20