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Date: Thu, 4 Sep 2008 12:59:45 -0700 From: "Yinghai Lu" <yhlu.kernel@...il.com> To: "Ingo Molnar" <mingo@...e.hu> Cc: "Thomas Gleixner" <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com>, "Andrew Morton" <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org Subject: Re: [PATCH] x86: order functions in cpu/common.c and cpu/common_64.c On Thu, Sep 4, 2008 at 12:41 PM, Ingo Molnar <mingo@...e.hu> wrote: > > * Ingo Molnar <mingo@...e.hu> wrote: > >> hm, something in your patch series is early-crashing tip/master with >> this config: >> >> http://redhat.com/~mingo/misc/config-Thu_Sep__4_21_23_20_CEST_2008.bad >> >> the early-RIP is 0xffffffff804365b0: >> >> ffffffff8043656a <proc_bus_pci_release>: >> >> ffffffff804365b0: be d0 00 00 00 mov $0xd0,%esi >> ffffffff804365b5: e8 ad 28 e7 ff callq ffffffff802a8e67 <kmem_cache_alloc> >> >> fault 0xd, general protection fault. Given that it's an immediate >> constant load, something really serious happened. > > ah, that's _another_ -tip testbox that broke at the same time, with a > different kernel image. The RIP that corresponds to this box is > 0xffffffff80420470: > > ffffffff8042045b <strnlen>: > ffffffff8042045b: 55 push %rbp > > ffffffff80420470: 80 38 00 cmpb $0x0,(%rax) > > > which could be consistent with the printk messup ... > >> i've pushed out the broken tree into tip/tmp.master.broken (havent >> updated tip/master with the breakage). I've removed the broken printk >> in kernel/resource.c that Andrew found, see commit 06e44f6af324 - so >> that's not the cause. > > i've double checked that 06e44f6af324 is applied. I'll bisect this. > or by ca81beb4a340ee690803fcb1498f863d0e68843f YH -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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