On 06/08/2017 07:05 AM, Meelis Roos wrote: >> For a long time I have had a problem on some of my sparc64 kernel >> machines during kernel module linking (creating .mod.o and/or .ko) with >> make -j4 but usually not with plain make. >> I would try running similar workload on test machines I have with mainline and see if I hit something similar. Otherwise it could be a h/w issue which manifests under some load. >> Usually this resulted in spontaneous reboot (on V210 and V240 and >> E420R), sometimes causing hang on E420R. I was trying to bisect kernel >> configurations to find it but that was hard. THP was always on. >> >> However, as of commit 544f8f935863c5a9ca3e34306ea3316095e7b7bf (sparc64: >> Fix hugepage page table free) this seems to have been fixed - all three >> machines behave well for days of compilation. >> This commit is unlikely to have fixed anything for you unless you were using 64K pages. >> Is it probable that this was the culprit, or did I just stumble on >> something else that prevents the bug from happening? > I'm not sure how that change would affect the issue you are hitting. > Unfortunately that was false positive report - the probem is still > present and just showed up in 4.11-rc8 and 4.11.0 on V210 and V240. > Maybe try h/w memory check before anything else. Nitin -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
