[ltp] Linux kernel instability? (Rant/Panic/Cry-for-help!)

[Sebastian Geiger]

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Dear Henrique,

as for my part, I have an X61 with only parts for which opensource
drivers exists, e.g. the i965 graphics chipset and centrino hardware.
Thus I have not installed any binary blob in to the kernel, I have
currently two kernels installed, the 2.6.25-1 and the 2.6.26 (both are
tuxonice-sources on gentoo) if i boot the later one, suspend ceases worki=
ng.

Best Regards
Sebastian

Henrique de Moraes Holschuh wrote:
> If you guys want any of us people closer to the kernel to even particip=
ate
> on threads as this, there is an EXTREMELY important information you mus=
t
> give:  whether you are using any binary blobs.  Also which kernel, but =
most
> of you provide that information already.
>
> Really, because if you use nVidia drivers (hello T61 users), fglrx (hel=
lo
> most 3d-using ThinkPad users), madwifi (hello IBM wireless adapter user=
s)...
> your experiences will only be valid for people using the very *same* ve=
rsion
> of the binary blob and mainline kernel: these drivers often do NOT play=
 nice
> with mainline, and they DO regress when you upgrade mainline (or just t=
he
> driver).
>
> My T43 has been extremely stable, but I play it safe:
>
> I don't use Ubuntu's patched kernel (I'd use either Fedora's or SuSE's,=
 they
> DO have a team large enough to take care of it.  Ubuntu doesn't).  I so=
rt of
> trust Debian's kernel because it is *really* close to mainline, often i=
t has
> fixes for weird arches (doesn't matter for a x86 build) and minor backp=
orts
> of stuff that has been accepted upstream but is not in stable mainline =
yet.
> The only heavy weight patching I do is tp_smapi, plus whatever crap I a=
m
> working on (currently rfkill and thinkpad-acpi).
>
> I don't use bleeding edge kernels except for fast testing (laptop produ=
ction
> is currently at latest 2.6.25 + a few selected patches.  Server product=
ion
> is at 2.6.16.y), and take note that I *am* a kernel driver developer.  =
I
> don't use ANY binary blobs at all, EVER.  I don't use the latest
> fuck-the-box-to-get-some-useless-eyecandy crap from KDE or Gnome, that =
is
> likely to touch something fragile in X.org.  I don't enable known-unsta=
ble
> or still immature stuff in the kernel (PAT, group scheduling,
> virtualization, containers, etc).
>
> And I never do hibernation, just suspend-to-RAM (VERY often, so I am 10=
0%
> sure it is working perfectly, even if it were a crash in 1000, I'd hit =
it
> within a week).  No undervolting or screwing up with the clock, either.=

>
> This doesn't mean the quality of mainline's core is not changing for th=
e
> worst, it really might be.  But it DOES mean that there is such a thing=
 as
> "playing it safer"...
>
>  =20


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