Re: vm_reserv.c panic on sparc64 current

On 01/19/2014 18:06, Manfred Antar wrote:
> vm_reserv.c starting with revision 259999 causes panic on sparc64 (netra T1 200)
> version 259998 works
>
> backtrace:
> Starting apache22.
> panic: Bad link elm 0xfffff8007d4728f8 prev->next != elm
> cpuid = 0
> KDB: enter: panic
> [ thread pid 1965 tid 100058 ]
> Stopped at      kdb_enter+0x80: ta              %xcc, 1
> db> bt    
> Tracing pid 1965 tid 100058 td 0xfffff80001880db0
> vpanic() at vpanic+0x1f8
> panic() at panic+0x20
> vm_page_dequeue() at vm_page_dequeue+0xf8

Can you provide the full contents of the struct vm_page that is being
passed to vm_page_dequeue?

> vm_fault_hold() at vm_fault_hold+0x54c
> vm_fault() at vm_fault+0x88
> trap_pfault() at trap_pfault+0x1ac
> trap() at trap+0xdc
> -- data access protection tar=0x4100679c sfar=0x41006010 sfsr=0x800005 %o7=0x4062ea3c --
> userland() at 0x4062eab8
> user trace: trap %o7=0x4062ea3c
> pc 0x4062eab8, sp 0x7fdffffd811
> pc 0x4062ecd0, sp 0x7fdffffd8d1
> pc 0x406397f0, sp 0x7fdffffd991
> pc 0x1121f8, sp 0x7fdffffda71
> pc 0x11bc4c, sp 0x7fdffffdb31
> pc 0x10fce8, sp 0x7fdffffdbf1
> pc 0x107e14, sp 0x7fdffffdcb1
> pc 0x106310, sp 0x7fdffffdd71
> pc 0x107160, sp 0x7fdffffde81
> pc 0x106360, sp 0x7fdffffe041
> pc 0x106284, sp 0x7fdffffe151
> pc 0x111c6c, sp 0x7fdffffe261
> pc 0x112118, sp 0x7fdffffe341
> pc 0x102bc4, sp 0x7fdffffe441
> pc 0x402258f4, sp 0x7fdffffe501
> done
>
>
> ========================
> ||      null_at_pozo.com           ||
> ||                                      ||
> ======================== 
>
>