[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] pvgrub "Error 9: Unknown boot failure" booting Debian Jessie kernel (Was: Re: [PATCH v5 6/9] libxc: create unmapped initrd in domain builder if supported)
On 30/11/15 14:41, Ian Campbell wrote: > On Mon, 2015-11-30 at 13:16 +0000, Ian Campbell wrote: >> On Mon, 2015-11-30 at 13:59 +0100, Juergen Gross wrote: >>> On 30/11/15 13:35, Ian Campbell wrote: >>>> FYI attempting to upgrade osstest to use Debian Jessie in the guest >>>> seems >>>> to have exposed another issue here. >>>> >>>> http://logs.test-lab.xenproject.org/osstest/logs/65172/test-amd64-amd >>>> 64-amd64-pvgrub/info.html >>>> >>>> Booting 'Debian GNU/Linux, kernel 3.16.0-4-amd64' >>>> >>>> root (hd0,0) >>>> Filesystem type is ext2fs, partition type 0x83 >>>> kernel /boot/vmlinuz-3.16.0-4-amd64 root=UUID=12447529-e85a- >>>> 4b41-86b6-3e83ccfc >>>> 1377 ro >>>> initrd /boot/initrd.img-3.16.0-4-amd64 >>>> >>>> ============= Init TPM Front ================ >>>> Tpmfront:Error Unable to read device/vtpm/0/backend-id during >>>> tpmfront initialization! error = ENOENT >>>> Tpmfront:Info Shutting down tpmfront >>>> pin_table(x) returned 1357193 >>>> close(3) >>>> >>>> Error 9: Unknown boot failure >>>> >>>> Press any key to continue... >>>> >>>> xen.git 6853c9bf9ff0 is OK, whereas 713b7e4ef2aa is not. Adding your >>>> two >>>> outstanding patches: >>>> libxc: correct domain builder for 64 bit guest with 32 bit tools >>>> libxc: use correct return type for do_memory_op() >>>> >>>> Doesn't appear to have helped. Anyway, I was in the process of >>>> investigating/bisecting etc but since I was mailing you any way I >>>> thought >>>> I'd mention it. I'll start a fresh thread once I have some more to go >>>> on. >>> >>> When something was wrong with pvgrub in my tests of the patches it died >>> right away and didn't show random errors later. I don't think the >>> problem you are seeing is related to my recent changes. OTOH I have >>> been >>> wrong before. :-( >> >> Bisection has blamed 06954411ee14 "xen: add generic flag to elf_dom_parms >> indicating support of unmapped initrd" which I'm struggling to explain >> right now... > > And trying again it has blamed ea7c8a3d0e82 "libxc: reorganize domain > builder guest memory allocator" which is far more likely. > > I double checked clean rebuilds twice this time and ea7c8a3d0e82 is bad > while 6853c9bf9ff0 "MINIOS_UPSTREAM_REVISION Update" is good. > > Now, the question is why... Indeed. I can't spot anything wrong with that patch. I could imagine the change is triggering an issue which has been present in pvgrub before but didn't show up. I'll try to trigger it on my machine and see if I can get some more debug information. Juergen _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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