Messages in this thread | | | Date | Thu, 14 Aug 2008 01:59:50 -0700 | From | "Yinghai Lu" <> | Subject | Re: 2.6.27rc1 cannot boot more than 8CPUs |
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On Thu, Aug 14, 2008 at 12:16 AM, Jeff Chua <jeff.chua.linux@gmail.com> wrote: > On Thu, Aug 14, 2008 at 2:33 AM, Yinghai Lu <yhlu.kernel@gmail.com> wrote: > >>>>> > With 16 CPUs, it still hangs, but now the console is showing the >>>>> > errors as intended. >>>>> > ... but it is supposed to hang? > >> please check the attached patch. it should fix the new regression and >> will not hang. > > Ok, booted up and not hanged, but those messages below don't show up > anywhere. I've tested with CONFIG_NR_CPUS=16 and 8 as well. Just got 8 > cpus > > More than 8 CPUs detected - skipping them. > Use CONFIG_X86_GENERICARCH and CONFIG_X86_BIGSMP. > > # cat /sys/devices/system/cpu/possible > 0-7 > > CONFIG_X86_32=y > CONFIG_X86_PC=y > >
double checked on one 16 cores system got
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) CPU: L2 Cache: 512K (64 bytes/line) CPU 0(4) -> Core 0 Intel machine check architecture supported. Intel machine check reporting enabled on CPU#0. using C1E aware idle routine Checking 'hlt' instruction... OK. ACPI: Core revision 20080609 Parsing all Control Methods: Table [DSDT](id 0001) - 1289 Objects with 114 Devices 462 Methods 26 Regions Parsing all Control Methods: Table [SSDT](id 0002) - 80 Objects with 0 Devices 0 Methods 0 Regions tbxface-0596 [00] tb_load_namespace : ACPI Tables successfully acquired evxfevnt-0091 [00] enable : Transition to ACPI mode successful More than 8 CPUs detected - skipping them. Use CONFIG_X86_GENERICARCH and CONFIG_X86_BIGSMP. enabled ExtINT on CPU#0
YH
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