i915 crashes on Thinkpad X40 with "i915_probe" error
From: Adam Rosi-Kessel (adam_at_rosi-kessel.org)
Date: 10/22/04
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Date: Thu, 21 Oct 2004 22:52:37 -0400 To: linux-kernel@vger.kernel.org
I'm attempting to use the i915 DRM module new in 2.6.9 on an IBM Thinkpad
X40. This is a fairly common laptop for Linux users, so I expect others
will experience similar problems. The module crashes before X even
starts up, so I'm pretty sure it has nothing to do with my X server (I'm
using Debian sid). Google and LKML searches for i915_probe give 0
results, so I guess this is pretty new. Here's the error--I don't know
if this kind of backtrace is at all helpful:
[drm:i915_probe] *ERROR* Cannot initialize the agpgart module.
inter_module_unregister: no entry for 'drm'------------[ cut here ]------------
kernel BUG at kernel/intermodule.c:104!
invalid operand: 0000 [#1]
PREEMPT
Modules linked in: i915
CPU: 0
EIP: 0060:[<c012b83e>] Not tainted VLI
EFLAGS: 00010286 (2.6.9-joehill)
EIP is at inter_module_unregister+0x9b/0xe4
eax: 0000002e ebx: e008bcb3 ecx: c03c8d64 edx: 00000286
esi: 00000000 edi: 00000000 ebp: c03ca568 esp: dd721f10
ds: 007b es: 007b ss: 0068
Process modprobe (pid: 417, threadinfo=dd720000 task=dd0baaa0)
Stack: c0376f80 e008bcb3 00000005 00000000 00000000 00000000 e0088734 e008bcb3
e008bcb3 e0091ba0 e0091ba0 df665c00 e009232c e0084a4c e008baa1 e00912c0
e0091ba0 00000010 00000016 00000017 00000000 df663000 00000000 dd720000
Call Trace:
[<e0088734>] i915_stub_register+0xb9/0x1c8 [i915]
[<e0084a4c>] i915_probe+0xf9/0x339 [i915]
[<c020273e>] pci_find_device+0x2f/0x33
[<e000a047>] drm_init+0x47/0x66 [i915]
[<c0131f5a>] sys_init_module+0x183/0x22f
[<c010405f>] syscall_call+0x7/0xb
Code: c0 74 18 89 5c 24 04 c7 04 24 20 6f 37 c0 e8 da 02 ff ff 83 c4 08 5b 5e 5f 5d c3 89 5c 24 04 c7 04 24 80 6f 37 c0 e8 c2 02 ff ff <0f> 0b 68 00 03 64 37 c0 eb de e8 bc 5e 23 00 eb be 8b 45 04 89
Kernel config at http://adam.rosi-kessel.org/temp8/config-2.6.9-i915-crash
Longer syslog excerpt at http://adam.rosi-kessel.org/temp8/syslog-i915-crash
-- Adam Rosi-Kessel http://adam.rosi-kessel.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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