Crash with radeonkms

[Anindya Mukherjee]

Thanks! Trying to load amdgpu gives me the same error (missing acpi_get_table). However, i915kms loads (successfully?) with the following message:

linux_pci_find failed!

Anindya
________________________________________
From: Matthew Macy [mmacy at nextbsd.org]
Sent: January 12, 2017 8:42 PM
To: Anindya Mukherjee
Cc: freebsd-x11 at freebsd.org
Subject: RE: Crash with radeonkms

OK. That's odd. I'll look in to it and get back to you. Does the same thing not happen when you load amdgpu or i915?



-M


 ---- On Thu, 12 Jan 2017 20:33:12 -0800 Anindya Mukherjee <anindya49 at hotmail.com> wrote ----
 > Interesting... I did build a new kernel from the drm-next branch:
 >
 > uname -a
 > FreeBSD triskelion 12.0-CURRENT FreeBSD 12.0-CURRENT #0 7ec6ee8bca5(drm-next): Tue Jan 10 22:06:43 PST 2017     root at triskelion:/usr/obj/usr/home/anindya/graphics/freebsd-base-graphics/sys/GENERIC  amd64
 >
 > anindya at triskelion:~/graphics/freebsd-base-graphics [20:30:22]% git branch
 > * drm-next
 >   drm-next-4.7
 >
 > My /boot/kernel/kernel file is also new and different from the installed version. There were no errors during the build. I wonder if I made a mistake somewhere.
 >
 > Anindya
 > ________________________________________
 > From: Matthew Macy [mmacy at nextbsd.org]
 > Sent: January 12, 2017 8:12 PM
 > To: Anindya Mukherjee
 > Cc: freebsd-x11 at freebsd.org
 > Subject: RE: Crash with radeonkms
 >
 > I'm guessing you're trying to run it on a kernel that isn't drm-next.
 > -M
 >
 >
 >  ---- On Thu, 12 Jan 2017 20:08:38 -0800 Anindya Mukherjee <anindya49 at hotmail.com> wrote ----
 >  > Thanks for the tip! I loaded linuxkpi, drm first, and then tried to load radeonkms with the following results:
 >  >
 >  > [drm] Initialized
 >  > link_elf_obj: symbol acpi_get_table undefined
 >  > linker_load_file: Unsupported file type
 >  >
 >  > I see a protoype for this function (and others) in sys/compat/linuxkpi/common/include/acpi/acpifx.h:494. Perhaps all of them are missing? Can we add a linker script or something similar?
 >  >
 >  > Anindya
 >  >
 >  > ________________________________________
 >  > From: Matthew Macy [mmacy at nextbsd.org]
 >  > Sent: January 12, 2017 2:43 PM
 >  > To: Anindya Mukherjee
 >  > Cc: freebsd-x11 at freebsd.org
 >  > Subject: RE: Crash with radeonkms
 >  >
 >  >  ---- On Thu, 12 Jan 2017 09:52:21 -0800 Anindya Mukherjee <anindya49 at hotmail.com> wrote ----
 >  >  > There seems to be an error while trying to load the "radeonkms" module (#15). It then tries to unload it, and crashes.
 >  >
 >  > Correct. It's almost certainly missing symbols. To find out what they are without crashing your system, load linuxkpi, then load drm, and *then* load radeon. Note that if your hardware is SI or newer it's supported by amdgpu.
 >  >
 >  > -M
 >  >
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