On Sat, 2013-03-16 at 13:28 +0000, Robert Frazier wrote:
> On 16/03/13 05:03, Debian Bug Tracking System wrote:
> > This is an automatic notification regarding your Bug report
> > which was filed against the linux-image-3.2.0-4-amd64 package:
> >
> > #703142: Kernel image 3.2.39-2: i915 module will not load.
> >
> > It has been closed by Ben Hutchings<ben@decadent.org.uk>.
> >
> > Their explanation is attached below along with your original report.
> > If this explanation is unsatisfactory and you have not received a
> > better one in a separate message then please contact Ben Hutchings<ben@decadent.org.uk> by
> > replying to this email.
> >
> >
>
> Dear Ben,
>
> Thanks. I cleared my local cache and the cache from my apt-cache
> server and reinstalled the kernel image. I have the same result. I
> looked at modules.dep from the fresh install (attached as requested).
> Lo and behold, the dependency isn't there.
>
> Relevant output from "depmod -ena | grep 915"
>
> kernel/drivers/gpu/drm/i915/i915.ko: kernel/drivers/acpi/video.ko
> kernel/drivers/acpi/button.ko kernel/drivers/gpu/drm/drm_kms_helper.ko
> kernel/drivers/gpu/drm/drm.ko kernel/drivers/thermal/thermal_sys.ko
> kernel/drivers/i2c/i2c-core.ko
Here I have:
kernel/drivers/gpu/drm/i915/i915.ko: kernel/drivers/acpi/video.ko
kernel/drivers/acpi/button.ko kernel/drivers/gpu/drm/drm_kms_helper.ko
kernel/drivers/gpu/drm/drm.ko kernel/drivers/thermal/thermal_sys.ko
kernel/drivers/i2c/algos/i2c-algo-bit.ko kernel/drivers/i2c/i2c-core.ko
Which version of kmod do you have installed? Or, do you still have an
old module-init-tools package installed?
> Relevant output from "modinfo 915"
>
> depends: drm,drm_kms_helper,i2c-core,video,button,i2c-algo-bit
Uh... that's supposed to use the same information, and yet it does list
i2c-algo-bit. (It doesn't list thermal_sys, but I think that's because
it's an indirect dependency.)
> So, although knowing very little about how things are organized, it
> looks like you are right, and the correct dependencies aren't there, and
> i2c-algo-bit isn't being loaded. But, it doesn't look like a simple
> case of file corruption. (By the bye. When I replace
> modules.dep/modules.dep.bin with the version from the previous kernel,
> everything works.)
>
> About it working for everyone else. That does puzzle me. Before I
> submitted the bug report, I did a web search for other reports of this
> happening, and was surprised not to find any. So, if it something
> peculiar to me, it is relatively subtle and suggestions would be
> appreciated. (I'm not completely new to linux, having been using it
> since '93. User only, however.)
Well, after you reported this, two other users have said they had the
same problem. But most desktop/laptop systems have Intel graphics, and
this package had been in unstable for 2 weeks without any such reports!
So there is definitely something odd going wrong on a few systems - yet,
unlike the behaviour of the driver once loaded, dependency generation
shouldn't depend on any hardware differences.
Ben.
--
Ben Hutchings
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