http://bugzilla.kernel.org/show_bug.cgi?id=12677
Summary: radeon DRM module oopses the kernel, 2.6.28/powerpc
Product: Drivers
Version: 2.5
KernelVersion: 2.6.28
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI)
AssignedTo: [email protected]
ReportedBy: [email protected]
Distribution: ALT Linux
Hardware Environment:
IBM Cell Blade QS22, ppc64
0005:01:00.0 VGA compatible controller: ATI Technologies Inc RV530 [Radeon
X1600] (prog-if 00 [VGA controller])
Subsystem: C.P. Technology Co. Ltd Device 2208
Flags: bus master, fast devsel, latency 0, IRQ 106
Memory at 3d0c0000000 (64-bit, prefetchable) [size=256M]
Memory at 3d080000000 (64-bit, non-prefetchable) [size=64K]
I/O ports at 1000 [size=256]
Expansion ROM at 3d080020000 [size=128K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Express Endpoint, MSI 00
Capabilities: [80] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable-
Software Environment: gcc 4.1.2, binutils 2.17.50.0.6, kernel 2.6.28
Problem Description:
radeon DRM module oopses right on the first write attempt:
[drm] Initialized drm 1.1.0 20060810
pci 0005:01:00.0: enabling device (0140 -> 0143)
[drm] Initialized radeon 1.29.0 20080528 on minor 0
[drm] Setting GART location based on new memory map
[drm] GART aligned down from 0x04010000 to 0x04000000
[drm] Loading R500 Microcode
[drm] Num pipes: 1
[drm] writeback test failed
[drm] BEGIN_RING( 8 )
[drm] OUT_RING( 0x000005c9 ) at 0x6402505
Unable to handle kernel paging request for data at address 0xd00000001a04c414
Faulting instruction address: 0xd000000000fd6d68
Oops: Kernel access of bad area, sig: 11 [#1]
SMP NR_CPUS=128 NUMA Cell
Modules linked in: radeon drm sunrpc pmi tg3 mptsas mptscsih mptbase
scsi_transport_sas
NIP: d000000000fd6d68 LR: d000000000fd6d54 CTR: 0000000000000001
REGS: c0000000fb4f38b0 TRAP: 0300 Not tainted (2.6.28-lks-wks-alt1)
MSR: 9000000000009032 <EE,ME,IR,DR> CR: 24004424 XER: 20000000
DAR: d00000001a04c414, DSISR: 0000000042000000
TASK = c0000000fb4e4f50[4088] 'X' THREAD: c0000000fb4f0000 CPU: 2
GPR00: 00000000000005c9 c0000000fb4f3b30 d000000001016c80 d000000000fff578
GPR04: 0000000000000000 ffffffffffffffff c00000000097d6b0 c000000000805554
GPR08: 000000000001ffff 0000000019009414 c00000000097d6b4 0000000000000001
GPR12: d000000000ffab80 c000000000952800 0000000000000005 0000000000000000
GPR16: 00000000100b3e50 0000000010090000 0000000010080000 0000000010090000
GPR20: 00000000100b3e80 0000000000000000 0000000000000006 0000000000000000
GPR24: ffffffffffffffea d000000001043000 c0000000fecba000 000000000003ffff
GPR28: d000000000fff578 0000000006402506 d000000001015b38 c0000000fecbf000
NIP [d000000000fd6d68] .radeon_cp_start+0x358/0x73c [radeon]
LR [d000000000fd6d54] .radeon_cp_start+0x344/0x73c [radeon]
Call Trace:
[c0000000fb4f3b30] [d000000000fd6d54] .radeon_cp_start+0x344/0x73c [radeon]
(unreliable)
[c0000000fb4f3be0] [d000000000d9cbbc] .drm_ioctl+0x230/0x300 [drm]
[c0000000fb4f3ca0] [d000000000ff8e98] .radeon_compat_ioctl+0xb4/0xfc [radeon]
[c0000000fb4f3d40] [c000000000189944] .compat_sys_ioctl+0x140/0x488
[c0000000fb4f3e30] [c000000000008570] syscall_exit+0x0/0x40
Instruction dump:
388005c9 837a002c 3929ffe0 7fa5eb78 7f83e378 913a0030 48023e31 e8410028
7ba91764 380005c9 3bbd0001 7f83e378 <7c19492e> 38800033 7fbdd838 7fbd07b4
---[ end trace b46b031df5997cbf ]---
[drm:drm_release] *ERROR* Device busy: 1 0
The address for the ring buffer looks really strange to me.
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