9.2-RELEASE + memcached = page fault

[Adrian Chadd]

Do you have backtraces from this? Kernel crash dumps?


-a

On 9 December 2013 07:24, Eugene Mitrofanov <eugene at imedia.ru> wrote:
> Hello
>
> after upgrading to 9.2-release i can see periodical page faults. advises welcome.
>
> examples:
>
> 1.
>
> Fatal trap 12: page fault while in kernel mode
> cpuid = 5; apic id = 22
> fault virtual address   = 0x18
> fault code              = supervisor read data, page not present
> instruction pointer     = 0x20:0xffffffff8051095c
> stack pointer           = 0x28:0xffffff88a9d77800
> frame pointer           = 0x28:0xffffff88a9d77810
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 1704 (memcached)
> trap number             = 12
> panic: page fault
> cpuid = 5
> Uptime: 2d23h33m33s
>
> 2.
>
> Unread portion of the kernel message buffer:
> stack pointer           = 0x28:0xffffff88a9b70800
> frame pointer           = 0x28:0xffffff88a9b70810
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 2023 (memcached)
> trap number             = 12
> panic: page fault
> cpuid = 4
> Uptime: 1d10h59m7s
>
> good luck
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