Hi NGie, On Mon, May 25, 2015 at 1:40 PM, Garrett Cooper <yaneurab...@gmail.com> wrote: > On Apr 28, 2015, at 0:54, Alexander Motin <m...@freebsd.org> wrote: > >> Hi. >> >> On 27.04.2015 21:17, Garrett Cooper wrote: >>> On Apr 27, 2015, at 11:16, Garrett Cooper <yaneurab...@gmail.com> >>> wrote: >>> >>>> I was looking at the console log for the latest kyua run and I’ve >>>> noticed that it’s timing out a bit more  than it was >>>> previously . I’ve seen some of your commits recently to cam(4) >>>> dealing with bhyve — has there been a performance regression >>>> there? Thanks! -NGie >>>> >>>> 1. >>>> https://jenkins.freebsd.org/job/FreeBSD_HEAD-tests2/940/console >>>> 2. >>>> https://jenkins.freebsd.org/job/FreeBSD_HEAD-tests2/983/console >>> >>> (Sorry for not being more explicit for the archives) These are the >>> timeouts I’m referring to: >>> >>> ahcich0: is 00000000 cs 00000000 ss 1f000000 rs 1f000000 tfd 50 >>> serr 00000000 cmd 1000dc17 (ada0:ahcich0:0:0:0): >>> WRITE_FPDMA_QUEUED. ACB: 61 08 a8 54 1e 40 00 00 00 00 00 00 >>> (ada0:ahcich0:0:0:0): CAM status: Command timeout >>> (ada0:ahcich0:0:0:0): Retrying command
Can you try to reproduce with a virtio-blk instead of ahci-hd? It will help narrow down the problem because both ahci-hd and virtio-blk emulations share a common backend to read/write to the disk. best Neel >> >> Last time I was more working on bhyve host disk emulation, rather then >> on cam(4) running on guest. Considering that, what guest and what host >> versions are you running? Is there any other load on host except this VM >> that could cause I/O delays high enough to trigger timeouts? What are >> you using to back the virtual disk (file, zvol, ...)? > > I have no idea what the Jenkins slaves are running in terms of > configuration/version/etc. You’ll have to ask jenkins-admin@… > Thanks! > -NGie _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"