Re: [Xen-devel] [linux-linus bisection] complete test-amd64-amd64-xl-qemut-win7-amd64 [and 1 more messages]

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

Boris Ostrovsky writes ("Re: [Xen-devel] [linux-linus test] 104237: regressions 
- FAIL"):
> On 01/18/2017 10:05 AM, osstest service owner wrote:
> > flight 104237 linux-linus real [real]
> > http://logs.test-lab.xenproject.org/osstest/logs/104237/
> >
> > Regressions :-(
> >
> > Tests which did not succeed and are blocking,
> > including tests which could not be run:
> >  test-amd64-amd64-xl-qemut-win7-amd64  6 xen-boot          fail REGR. vs. 
> > 59254
> >  test-amd64-i386-qemuu-rhel6hvm-amd  6 xen-boot            fail REGR. vs. 
> > 59254
> 
> Assuming that the last session in serial-nocera1.log is the one that
> failed, I wonder whether these is something with the mpt2sas --- it's
> the last thing that's reported before debug-keys are activated:
> 
> Jan 18 08:47:25.033615 [   40.938069] sd 4:0:0:0: attempting task abort! 
> scmd(db67b800)
> Jan 18 08:47:47.705686 [   40.938090] sd 4:0:0:0: [sda] tag#0 CDB: ATA 
> command pass through(12)/Blank a1 08 2e 00 01 00 00 00 00 ec 00 00
> Jan 18 08:47:47.713625 [   40.938097] scsi target4:0:0: handle(0x0009), 
> sas_address(0x4433221107000000), phy(7)
> Jan 18 08:47:47.721635 [   40.938102] scsi target4:0:0: 
> enclosure_logical_id(0x5b083fe0e50a5700), slot(0)
> Jan 18 08:47:47.729630 [   40.938129] sd 4:0:0:0: task abort: SUCCESS 
> scmd(db67b800)

I have had other reports of problems with mptsas.  For example,
see this bug:  http://bugs.debian.org/850425

The osstest bisector worked on this:

osstest service owner writes ("[linux-linus bisection] complete 
test-amd64-amd64-xl-qemut-win7-amd64"):
> branch xen-unstable
> xenbranch xen-unstable
> job test-amd64-amd64-xl-qemut-win7-amd64
> testid xen-boot
> 
> Tree: linux 
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
> Tree: linuxfirmware git://xenbits.xen.org/osstest/linux-firmware.git
> Tree: qemu git://xenbits.xen.org/qemu-xen-traditional.git
> Tree: qemuu git://xenbits.xen.org/qemu-xen.git
> Tree: xen git://xenbits.xen.org/xen.git
> 
> *** Found and reproduced problem changeset ***
> 
>   Bug is in tree:  linux 
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
>   Bug introduced:  0aa0313f9d576affd7747cc3f179feb097d28990
>   Bug not present: bcc981e9ed84c678533299d7eff17d2c81e4d5de
>   Last fail repro: http://logs.test-lab.xenproject.org/osstest/logs/104305/

Unfortunately it has fingered a merge commit.

This means that the bug is in commits which diverged before the last
pass of this test.

(Did your filters get you a copy of the bisection email?)

Ian.

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