Messages in this thread | | | Subject | [REGRESSION] x86: support for new UV apic | From | Priit Laes <> | Date | Fri, 25 Apr 2008 07:43:20 +0300 |
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Hey,
I am getting two following warnings (probable one per each CPU core) using the latest Linus's git:
WARNING: at arch/x86/kernel/genapic_64.c:86 read_apic_id+0x30/0x62() Modules linked in: Pid: 1, comm: swapper Not tainted 2.6.25-03563-gf7288b1 #20
Call Trace: [<ffffffff8022f1e1>] warn_on_slowpath+0x51/0x63 [<ffffffff80282e48>] sys_ioctl+0x2d/0x5d [<ffffffff805185ff>] _spin_lock+0xe/0x24 [<ffffffff80227459>] task_rq_lock+0x3d/0x73 [<ffffffff805133c3>] set_cpu_sibling_map+0x336/0x350 [<ffffffff8021c1b8>] read_apic_id+0x30/0x62 [<ffffffff806d921d>] verify_local_APIC+0x90/0x138 [<ffffffff806d84b5>] native_smp_prepare_cpus+0x1f9/0x305 [<ffffffff806ce7b1>] kernel_init+0x59/0x2d9 [<ffffffff80518a26>] _spin_unlock_irq+0x11/0x2b [<ffffffff8020bf48>] child_rip+0xa/0x12 [<ffffffff806ce758>] kernel_init+0x0/0x2d9 [<ffffffff8020bf3e>] child_rip+0x0/0x12
---[ end trace ca143223eefdc828 ]---
Few hours of bisecting gave me following commit as a suspect
ac23d4ee3f84de33c16ed7e68f9adee2386e74fb is first bad commit commit ac23d4ee3f84de33c16ed7e68f9adee2386e74fb Author: Jack Steiner <steiner@sgi.com> Date: Fri Mar 28 14:12:16 2008 -0500
x86: support for new UV apic
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