MichaÅ Piotrowski wrote: > CC'ing kernel list > > Regards, > Michal > > 2010/10/4 Anne & Lynn Wheeler <lynn@xxxxxxxxxx>: >> EXT4 filesystem directory with 100,000+ small files, 4-core intel >> processor, batch process that runs parallel on all four processors >> ... adding/deleting several hundred files. > > Let me guess - fsfuzzer? :) > >> No problem on F13 but fairly consistently happens since recent >> "preupgrade" to F14. If I serialize the processing, problem >> doesn't occur. >> >> Initial symptom is that batch process doesn't complete and gkrellm >> shows one of the processors at 100% cpu in the kernel. Eventually >> whole system locks up and requires reboot (with manual reset switch). >> Directory will then frequently show numerous newly added files >> as zero bytes (i.e. metadata had been logged, but actual data >> never written to disk). Is there any actual information about the kernel version, the testcase, or the failure available? sysrq-w or sysrq-t would at least show which processes are stuck (former) and/or where they all are in the callchains (latter) -Eric _______________________________________________ kernel mailing list kernel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kernel
