on 18/07/2011 17:53 Brandon Falk said the following: > Hello, > > In recent branches (confirmed with 224119) builds compiled with clang happen > to > throw 'Unknown error: -512' in a lot of places, making the system unusable. > (Untested on gcc compiled systems). Originally I thought the problem was with > specific programs, then I narrowed it down to file I/O, and now I've narrowed > it > down to open() with O_TRUNC. Without O_TRUNC there seems to be no issues > whatsoever. With O_TRUNC on open() it fails with that 'Unknown error: -512' > every > other time you run the program. Common issues, portsnap is affected, making it > impossible to fetch/extract ports. As well as redirecting output in shells eg > `echo 'hi' > test` fails every other try. You have the same issue with text > editors like `edit` where it fails every other save. There are no issues with > `echo 'hi' >> test` as there is no O_TRUNC, it only seems to be an O_TRUNC > error. > > Any tips? Otherwise I'll be looking into this today myself.
Just a hint that you could try using DTrace syscall and fbt providers to see where in kernel (if in kernel) that -512 return value originates. -- Andriy Gapon _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[email protected]"
