Le lundi 21 novembre 2011 à 16:36 +0100, Markus Trippelsdorf a écrit : > On 2011.11.21 at 15:16 +0100, Eric Dumazet wrote: > > Le lundi 21 novembre 2011 à 14:15 +0100, Markus Trippelsdorf a écrit : > > > > > I've enabled CONFIG_SLUB_DEBUG_ON and this is what happend: > > > > > > > Thanks > > > > Please continue to provide more samples. > > > > There is something wrong somewhere, but where exactly, its hard to say. > > New sample. This one points to lib/idr.c: > > [drm] Initialized drm 1.1.0 20060810 > [drm] radeon defaulting to kernel modesetting. > [drm] radeon kernel modesetting enabled. > radeon 0000:01:05.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 > radeon 0000:01:05.0: setting latency timer to 64 > [drm] initializing kernel modesetting (RS780 0x1002:0x9614 0x1043:0x834D). > [drm] register mmio base: 0xFBEE0000 > [drm] register mmio size: 65536 > ATOM BIOS: 113 > radeon 0000:01:05.0: VRAM: 128M 0x00000000C0000000 - 0x00000000C7FFFFFF (128M used) > radeon 0000:01:05.0: GTT: 512M 0x00000000A0000000 - 0x00000000BFFFFFFF > [drm] Detected VRAM RAM=128M, BAR=128M > [drm] RAM width 32bits DDR > [TTM] Zone kernel: Available graphics memory: 4083428 kiB. > [TTM] Zone dma32: Available graphics memory: 2097152 kiB. > [TTM] Initializing pool allocator. > [drm] radeon: 128M of VRAM memory ready > [drm] radeon: 512M of GTT memory ready. > [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). > [drm] Driver supports precise vblank timestamp query. > [drm] radeon: irq initialized. > [drm] GART: num cpu pages 131072, num gpu pages 131072 > [drm] Loading RS780 Microcode > [drm] PCIE GART of 512M enabled (table at 0x00000000C0040000). > radeon 0000:01:05.0: WB enabled > [drm] ring test succeeded in 1 usecs > [drm] radeon: ib pool ready. > [drm] ib test succeeded in 0 usecs > ============================================================================= > BUG idr_layer_cache: Poison overwritten > ----------------------------------------------------------------------------- Thanks, could you now add "CONFIG_DEBUG_PAGEALLOC=y" in your config as well ? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>