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    SubjectRe: sleep before boot panic

    > >>>I just switched to libata (pata) on my laptop and the
    > >>>immediate panic made it impossible to figure out why
    > >>>my boot partition wasn't available.
    > >>>After applying this little patch I could check boot
    > >>>printk output and then saw everything was properly
    > >>>recognized and only scsi-disk support was missing.
    > >>The correct fix would be to make scroll back (and
    > >>sysrq) still work
    > >>after panic. It's a little more complicated, but
    > >>possible (essentially
    > >>it needs a polled keyboard handler)
    > >
    > >Customer: "This system could not find the root fs."
    > >Support: "Oh, yeah, just connect a (USB-) keyboard and
    > >scroll back."
    > >
    > >Hmm, device detection works after panic?
    > >
    > >I really like the "soft" panic better, where you still
    > >can operate the kernel debugging features, but just
    > >have no user space supporting it.

    ACK. 'scheduling in interrupt' is very different from 'cant mount

    > Of course, if we'd been using kinit, "soft panic" would
    > have been done exclusively in userspace...

    What's the status of kinit, btw?
    (cesky, pictures)

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      Last update: 2008-01-08 17:09    [W:0.032 / U:4.040 seconds]
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