Hi Matthew, Can you please try with mpt2sas driver's max_msix_vectors set to one.
~Sreekanth On Fri, Nov 6, 2015 at 11:38 PM, Matthew Vernon <mc...@cam.ac.uk> wrote: > Hi, > > [These lists are in the MAINTAINERS file for mpt2sas; I hope this is > the correct place to report this problem. Xen-devel CCd as this is > failing on trying to boot Xen] > > When booting Xen, mpt2sas finds my Intel RMS25JB080, but fails to load > it correctly. > > This is a Debian jessie (stable) system, kernel version > 3.16.0-4-amd64, Xen version 4.4.1. > > Relevant snippet of log output of failed boot: > > [ 64.095008] mpt2sas0: reply_post_free pool: pci_pool_alloc failed > [ 64.535255] mpt2sas0: failure at > /build/linux-xkTWug/linux-3.16.7-ckt11/drivers/scsi/mpt2sas/mpt2sas_scsih.c:8234/_scsih_probe()! > > ...it then fails to find any of my attached drives, so cannot boot, > and I get dumped in the initramfs. > > Having googled a bit, I tried pci=realloc=off on the kernel > command-line, as well as swiotlb=26422 ; neither of them changed the > failure mode > > Booting bare-metal does work; relevant snippet of log output of > successful (i.e. bare-metal) boot: > > [ 3.977037] mpt2sas0: diag reset: SUCCESS > [ 4.178627] mpt2sas0: Allocated physical memory: size(17390 kB) > [ 4.178630] mpt2sas0: Current Controller Queue Depth(7931), Max Controller > Queue Depth(8192) > [ 4.178631] mpt2sas0: Scatter Gather Elements per IO(128) > [ 4.409752] mpt2sas0: LSISAS2308: FWVersion(20.00.02.00), > ChipRevision(0x05), BiosVersion(07.39.00.00) > [ 4.409755] mpt2sas0: Intel(R) Integrated RAID Module RMS25JB080 > [ 4.409756] mpt2sas0: Protocol=(Initiator), > Capabilities=(Raid,TLR,EEDP,Snapshot Buffer,Diag Trace Buffer,Task Set > Full,NCQ) > [ 4.409846] mpt2sas0: sending port enable !! > ... > [ 5.941978] mpt2sas0: host_add: handle(0x0001), > sas_addr(0x5001e67c17ff5000), phys(8) > [ 5.980601] device-mapper: uevent: version 1.0.3 > [ 5.980773] device-mapper: ioctl: 4.27.0-ioctl (2013-10-30) initialised: > dm-de...@redhat.com > [ 11.823480] mpt2sas0: port enable: SUCCESS > > (and then it finds the attached disks) > > Fuller outputs: > > i) bare-metal boot dmesg: > http://www-uxsup.csx.cam.ac.uk/~mcv21/debug/bare_metal_dmesg > > ii) output from failed Xen boot (captured over a serial line with > earlyprintk=xen and loglvl=all guest_loglvl=all): > http://www-uxsup.csx.cam.ac.uk/~mcv21/debug/failedboot-output-2 > > iii) kernel config (stock Debian): > http://www-uxsup.csx.cam.ac.uk/~mcv21/debug/config-3.16.0-4-amd64 > > iv) lspci -vvv output: > http://www-uxsup.csx.cam.ac.uk/~mcv21/debug/lspcivvv > > Regards, > > Matthew -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
