Hi Sam, One of my original concerns is that there was an error/unknown condition encountered but 1) the calling application never knew about it, and 2) no indication of any trouble in any logs--which resulted in silent data corruption.
-at On Sun, Oct 07, 2007 at 07:06:02PM -0500, Sam Lang wrote: > > Hi Anthony, > > It sounds like you've discovered a bug in the threaded version of the > client. We'll take a look at that and figure it out, but if possible, just > use the non-threaded version for now. > > Thanks, > -sam > > On Oct 6, 2007, at 4:45 PM, Anthony Tong wrote: > >> On Sat, Oct 06, 2007 at 11:21:58AM -0500, Anthony Tong wrote: >>> To clarify what you said & what I see in the logs: before each >>> problematic >>> IO, it looks like the client daemons are remounting the fs? Maybe >>> the threaded client core was getting restarted for some reason? >> >> After some fiddling, got cores turned on for the threaded client >> tend and they all tend look like this. >> >> #0 0x0075c7a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2 >> (gdb) where >> #0 0x0075c7a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2 >> #1 0x007a17a5 in raise () from /lib/tls/libc.so.6 >> #2 0x007a3209 in abort () from /lib/tls/libc.so.6 >> #3 0x0079ad91 in __assert_fail () from /lib/tls/libc.so.6 >> #4 0x08076773 in io_datafile_complete_operations () >> #5 0x0806dcef in PINT_client_state_machine_testsome () >> #6 0x08056537 in process_vfs_requests () >> #7 0x08058a2a in main () >> >> This is the actual assert >> >> pvfs2-client-core: src/client/sysint/sys-io.sm:1860: >> io_post_write_ack_recv: Assertion `ret == 0' failed. >> >> >> Also I'm not quite sure why I'm not seeing error messages (that >> I'd expect) in the client log >> >> _______________________________________________ >> Pvfs2-users mailing list >> [email protected] >> http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users >> _______________________________________________ Pvfs2-users mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
