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    SubjectRe: Kernel panic with Matsushita CD-ROM in 1.99.11
    >>>>> "Linus" == Linus Torvalds <torvalds@cs.Helsinki.FI> writes:

    Linus> On Tue, 4 Jun 1996, emoenke wrote:
    >> Hi Steffen Zahn,
    >> >Jun 4 18:21:04 zahn linux: Kernel panic: Matsushita CD-ROM
    >> controller #1: block not locked
    >> I suppose it is a compiler bug. I saw it sporadically with
    >> gcc-2.7.0, and it seems gone under gcc-2.7.2. Under 2.7.0, I
    >> could eliminate it by just putting additional, but "neutral"
    >> statements around that "decision spot" in ll_rw_blk.c.

    Linus> In short, could you take a look at 2.0pre12, and see if the
    Linus> problem is gone? It should have happened _only_ under very
    Linus> heavy load (although a slow device like a CD-ROM or a
    Linus> floppy might have made it happen a lot more easily).

    The problem disappeared for me in 1.99.12. I grepped all files of 2 CD-ROMs
    without a crash. Previously (1.99.11) the crash would happend within
    seconds. The load is 1.07. And for the record: I use gcc 2.7.2(ELF) as
    stored on sunsite.


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