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    SubjectRe: [3/3] 2.6.21-rc7: known regressions (v2)
    On Mon, 23 Apr 2007 23:49:09 +0200 Adrian Bunk <bunk@stusta.de> wrote:

    > This email lists some known regressions in Linus' tree compared to 2.6.20.
    >
    > If you find your name in the Cc header, you are either submitter of one
    > of the bugs, maintainer of an affectected subsystem or driver, a patch
    > of you caused a breakage or I'm considering you in any other way
    > possibly involved with one or more of these issues.
    >
    > Due to the huge amount of recipients, please trim the Cc when answering.
    >
    >
    > Subject : HPET enabled freeze my machine at boot
    > workaround: clocksource=acpi_pm
    > References : http://lkml.org/lkml/2007/4/19/370
    > Submitter : Guilherme Schroeder <guilherme@centralinf.com.br>
    > Caused-By : Thomas Gleixner <tglx@linutronix.de>
    > commit 5d8b34fdcb384161552d01ee8f34af5ff11f9684
    > Handled-By : John Stultz <johnstul@us.ibm.com>
    > Status : problem is being debugged
    >
    >
    > Subject : acpi_pm clocksource loses time on x86-64
    > References : http://lkml.org/lkml/2007/4/17/143
    > Submitter : Mikael Pettersson <mikpe@it.uu.se>
    > Handled-By : John Stultz <johnstul@us.ibm.com>
    > Status : problem is being debugged
    >
    >
    > Subject : suspend to disk hangs (CONFIG_NO_HZ)
    > References : http://lkml.org/lkml/2007/3/25/217
    > Submitter : Jeff Chua <jeff.chua.linux@gmail.com>
    > Status : unknown

    That's still rather a lot of bustage from the timekeeping changes. Is
    anything really happening here or have we all given up?

    >
    > Subject : ThinkPad X60: resume no longer works (PCI related?)
    > workaround: CONFIG_FB_BACKLIGHT=n
    > References : http://lkml.org/lkml/2007/3/13/3
    > Submitter : Dave Jones <davej@redhat.com>
    > Caused-By : PCI merge
    > commit 78149df6d565c36675463352d0bfe0000b02b7a7
    > Handled-By : Eric W. Biederman <ebiederm@xmission.com>
    > Rafael J. Wysocki <rjw@sisk.pl>
    > Antonino A. Daplas <adaplas@gmail.com>
    > Status : unknown
    >

    Is this related to the problems Jeremy has been looking at?

    > Subject : suspend to disk works only once
    > workaround: "echo shutdown > /sys/power/disk"
    > References : http://lkml.org/lkml/2007/4/13/240
    > Submitter : Tobias Diedrich <ranma+kernel@tdiedrich.de>
    > Caused-By : Rafael J. Wysocki <rjw@sisk.pl>
    > commit ed746e3b18f4df18afa3763155972c5835f284c5
    > Handled-By : Rafael J. Wysocki <rjw@sisk.pl>
    > Dmitry Torokhov <dtor@insightbb.com>
    > Status : problem is being debugged

    That's been happening on my Vaio-of-death for several weeks now. I spent a
    bit of time with the ACPI guys on it but we didn't get far. I need to
    find an hour or two to work out what's gone wrong.
    -
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