Re: Regressions w.r.t. suspend behaviour in recent kernel versions

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Andrew Morton wrote:
On Fri, 24 Aug 2007 14:42:55 +0200 Felix Homann <[email protected]> wrote:

Nearly two weeks, zero replies.

Thanks for caring :-)


Aug  9 00:22:13 jawaka kernel: EXT3-fs: mounted filesystem with ordered
data mode.
Aug  9 00:22:13 jawaka kernel: WARNING: at kernel/irq/resend.c:70
check_irq_resend()

I expect that got fixed in later kernels.

Yes, I've just tried 2.6.23-rc5-git1 and the warning has gone!


Without the nolapic option the kernel will panic when trying to suspend to disk.

A *large* number of people need noapic or nolapic to get Linux to work.

Even better, on 2.6.23-rc5-git1 I don't need nolapic anymore!


Here are the last lines of the kernel output:

EIP: [<c01127fd> lapic_nmi_suspend+0x1d/0x30 ss:ESP 0068:c1ae3ec8
Kernel panic - not syncing: Attempted to kill init!

Are you able to provide us with more information about this bug?

If you're still interested in more more information now that the bug has apparently been solved "en passant" I can take a photograph tomorrow. Please, let me know.

With more recent kernels the system will hang with "Suspending console(s)".

My Vaio reliably hangs at the same place with 2.6.23-rc4.  I'll bisect that
next week sometime.  Hopefully the result of that effort will fix your bug.
 Please test Linus's tree regularly and don't let us release 2.6.23 until
it is fixed.

Great!


3. Even with the 2.6.18 kernel sound won't work after suspending to ram. I don't know when this started, but I know that this has not been an issue in the past.

Please provide full details in a separate bug report.  Send that report to
myself, [email protected], Jaroslav Kysela <[email protected]> and
Takashi Iwai <[email protected]>

I'll do that in the next couple of days.

Thanks again,

Felix

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