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https://github.com/dzavalishin/oskit/
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58 lines
2.3 KiB
Plaintext
Executable File
58 lines
2.3 KiB
Plaintext
Executable File
Known bugs and problems in the OSKit as of September 1, 2000.
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I'm sure we've forgotten a bunch of others.
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For some of these, more details are in the file `BUGS.details'.
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Bugs:
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* There is a linking problem with the `-loskit_startup' library when using
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GNU binutils 2.x ld in an a.out configuration, we think due to a bug in
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that linker. (PR 220)
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* The loopback interface does not work in the -lfreebsd_net stack. (PR 11)
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* A few device drivers don't pass our testing; see linux/dev/README
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for Linux device driver status.
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Booting-related bugs:
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See BUGS.details for more info. We have not had time to look into the
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DOS and Linux problems. The third is elusive.
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* The DOS boot adapter (dosboot.exe, in boot/dos) doesn't work.
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Restrictions:
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* The OSKit must be compiled with a mininum optimization of
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-O (-O1 or -O2) because of problems with inline functions.
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* The POSIX threads code has suffered bitrot and does not currently
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run in SMP (Symmetric Multiprocessing) mode.
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* Recently some of our libraries that are commonly used together have
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developed more interdependencies than desirable. A result is that you
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may have to stick them on the ld line more than once.
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* oskit_sendsig_init creates a libc-on-libkernel dependency that we
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should remove by replacing it with a dynamic interface or a
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function pointer. For now, add another -loskit_kern.
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* NetBoot (boot/net) uses a hardcoded name -> IP address table. In the
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future it will use real DNS.
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* The filesystem libraries (Linux and NetBSD) do permission checking.
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This can cause problems when file access routines are built on top
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of them. For example, implementing open("foo", O_WRONLY|O_CREAT, 0444)
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in terms of the OSKit filesystem primitives doesn't work because
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first a file is created with mode 0444 and then it is opened for
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writing, which fails because the mode is 0444. Linux and BSD have
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similar create and open VFS primitives but permission checking is
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done a layer up. The OSKit interfaces should probably be like
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that but such a major change requires more investigation.
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* The documentation suffers from a number of maladies; see doc/README.doc.
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Basic missing features:
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* Console code: there is no `pager' so info scrolls off before you
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can see it. At Utah we always debug via serial lines to other
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machines, so we have not gotten around to adding this.
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