On Tuesday 25 January 2005 09:45, Gerd Knorr wrote:
> > > binutils-2.14/ld/testsuite/ld-sparc/tlssunbin64.dd
> > > binutils-2.14/ld/testsuite/ld-sparc/tlssunbin64.rd
> > > binutils-2.14/ld/testsuite/lde/ld-/ld-sld-spd-spa-sparsparcparc/arc/trc
> > >/tlc /tls/tlsstlssulssunssunbsunbiunbinnbin6bin64in64.n64.s64.s4.s.ss
> > > binubinutinutinutilutilstils-ils-2ls-2.s-2.1-2.142.14/.14/l14/ld4/ld//l
> > >d/tl
> > > d/ted/tes/testtestsestsustsuitsuitsuiteuite/ite/lte/lde/ld-/ld-sld-spd-
> > >spa-s
> > > parsparcparc/arc/trc/tlc/tls/tlsstlssulssunssunbsunbiunbinnbin6bin64in6
> > >4.n64 .s64.sd4.sd.sdsd
> > > binutils-2.14/ld/testsuite/ld-sparc/tlssunbin64.td
> > > binutils-2.14/ld/testsuite/ld-sparc/tlssunbinpic32.s
> > > binutils-2.14/ld/testsuite/ld-sparc/tlssunbinpic64.s
> > > binutils-2.14/ld/testsuite/ld-sparc/tlssunnopic32.dd
> > >
> > > I had all that output piped to tee, which output it to out.txt, and the
> > > corresponding line of out.txt isn't glitched, so it seems to just be a
> > > cosmetic bug in the display code. But I thought I'd report it anyway.
> >
> > Good thing, thanks...
> I remember having seen a comment (and patch?) on one of the lists for
> the tty line buffering, because of data loss in case the buffers are
> full. Don't remember the details but this could be related.
> > > I'm using stdin/stdout as the console. (And even though you put it
> > > into raw mode, I still can't ctrl-c out of the processs I'm running,
> > > either.)
> Hmm, ^C works perfectly fine for me. Usually I work with a virtual
> serial line as console ("console=ttyS0 ssl0=fd:0,fd:1 con=pts"), works
> better than the uml console as applications don't expect the linux vt
> ioctls work on these devices ;)
About this, Rob: do you use /dev/console in the inittab line? If you do, then
that's the problem - it should become a FAQ somewhere I guess.
> I'm still at 2.6.10 + patches though, not yet at 2.6.11-rc2.
> > However, I'm not sure that patch is at fault... there is a locking
> > problem which *could* maybe be responsible of this...; I actually wonder
> > about why this locking problem has never shown up in reports or in
> > testing (it exists, only it's a race condition)... there is a situation
> > where it shows up with a side effect, indeed, so the problem exists...
> Heavy swapping (see other mail) and thus some stuff running _very_ slow
> might open such race windows wide enougth that one actually hits them.
Yes, my only doubt was that he seemed to mean that the guest was swapping, and
*this* different situation would have the opposite effect, probably.
> The uml-terminal-cleanup patch doesn't touch how the uml terminal lines
> output (xterm, pty, ...) works, it's more the input side which has been
> reworked a bit, especially the console handling (console meaning the
> device the kernel sends the printk messages to, not the linux vt
> subsystem).
> Gerd
--
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
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