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    SubjectRe: Shutdown and Reboot Regression 2.6.25-rc[78]
    On Friday 11 April 2008 22:58:12 Linus Torvalds wrote:
    > On Fri, 11 Apr 2008, Bongani Hlope wrote:
    > > I found a regression in version 2.6.25-rc7, which causes my computer not
    > > to shutdown or reboot. I get a complete lock up (no keyboard and Sys-Rq)
    > > just before it normally shuts down the alsa service.
    > >
    > > I did a git bisect and it points to this reversion:
    > > [266c2e0abeca649fa6667a1a427ad1da507c6375] Make printk() console
    > > semaphore accesses sensible
    > Interesting. That commit _should_ have just moved code around with no
    > actual semantic changes.
    > Can you verify that undoing just that one commit makes current git (-rc9)
    > work for you? Ie just try a
    > git revert 266c2e0abeca649fa6667a1a427ad1da507c6375
    > on top of the current tree. I just want to check, because even after
    > looking at that diff again, I'm not seeing what it could actually change.

    After about 4 restarts and 4 reboots, 2.6.25-rc9 seems to work fine with and
    without the revert. I'll do some more testing. The assembly output files for
    kernel/printk.c don't seem that different between rc9 and rc7. I'll see what
    else I can test.


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