On Tue, 2007-07-03 at 18:45 +0200, Michal Piotrowski wrote: > Subject : random invalid instruction occourances on sparc32 (sun4c) > References : http://lkml.org/lkml/2007/6/17/111 > Submitter : Mark Fortescue <mark@xxxxxxxxxxxxxxxxxx> > Status : problem is being debugged Hm, when testing the fix for that on ppc32, I stupidly built with Slub instead, and got this... radeonfb: Monitor 1 type LCD found radeonfb: EDID probed radeonfb: Monitor 2 type no found radeonfb: Using Firmware dividers 0x00040080 from PPLL 0 radeonfb: Dynamic Clock Power Management enabled *** SLUB kmalloc-32768: Poison check failed@0xc1e20000 slab 0xc04de400 [Not tainted] offset=0 flags=0x40c3 inuse=0 freelist=0xc1e20000 Object 0xc1e20000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xc1e20010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xc1e20020: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xc1e20030: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xc1e20040: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xc1e20050: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xc1e20060: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Object 0xc1e20070: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk Redzone 0xc1e28000: bb bb bb bb <BB><BB><BB><BB> FreePointer 0xc1e28004 -> 0x00000000 Last alloc: malloc+0x14/0x24 jiffies_ago=1382 cpu=0 pid=1 Last free : free+0x10/0x20 jiffies_ago=837 cpu=0 pid=1 Filler 0xc1e28028: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ Call Trace: [effc7b80] [c000893c] show_stack+0x50/0x184 (unreliable) [effc7ba0] [c009705c] object_err+0x178/0x18c [effc7bc0] [c0097380] check_object+0x180/0x2ec [effc7be0] [c0098320] __slab_alloc+0x5c8/0x5f4 [effc7c10] [c0098aa4] __kmalloc+0x64/0x9c [effc7c30] [c015f5dc] fbcon_startup+0x154/0x2c0 [effc7c60] [c01bb8ec] register_con_driver+0x94/0x164 [effc7c90] [c01bedc8] take_over_console+0x24/0x58 [effc7cb0] [c015b41c] fbcon_takeover+0x8c/0xec [effc7cc0] [c015d31c] fbcon_event_notify+0x1e0/0x6c8 [effc7d90] [c02d9490] notifier_call_chain+0x3c/0x94 [effc7db0] [c0045468] __blocking_notifier_call_chain+0x50/0x74 [effc7dd0] [c014f514] fb_notifier_call_chain+0x24/0x34 [effc7de0] [c0150590] register_framebuffer+0x190/0x1a8 [effc7e40] [c0185450] radeonfb_pci_register+0xe54/0xf50 [effc7e70] [c0145b04] pci_device_probe+0x6c/0xa0 [effc7e90] [c01d4108] driver_probe_device+0xfc/0x1a0 [effc7eb0] [c01d436c] __driver_attach+0xac/0x110 [effc7ed0] [c01d32f0] bus_for_each_dev+0x50/0x94 [effc7f00] [c01d3efc] driver_attach+0x24/0x34 [effc7f10] [c01d3710] bus_add_driver+0x78/0x1a0 [effc7f30] [c01d468c] driver_register+0x88/0x9c [effc7f40] [c0145900] __pci_register_driver+0x6c/0xb8 [effc7f60] [c03e8e4c] radeonfb_init+0x20c/0x220 [effc7f80] [c03c82e4] kernel_init+0xc8/0x284 [effc7ff0] [c0013e28] kernel_thread+0x44/0x60 @@@ SLUB kmalloc-32768: Restoring Poison (0x6b) from 0xc1e20000-0xc1e27ffe @@@ SLUB kmalloc-32768: Restoring Poison (0xa5) from 0xc1e27fff-0xc1e27fff @@@ SLUB: kmalloc-32768 slab 0xc04de400. Marking all objects used. Console: switching to colour frame buffer device 180x56 -- dwmw2 - To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html