linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
* hppa64-linux-ld: lib/dynamic_debug.o(.init.text+0x4e0): cannot reach mutex_lock
@ 2021-06-05 14:42 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-06-05 14:42 UTC (permalink / raw)
  To: Orson Zhai
  Cc: kbuild-all, linux-kernel, Andrew Morton, Linux Memory Management List

[-- Attachment #1: Type: text/plain, Size: 17434 bytes --]

Hi Orson,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9d32fa5d74b148b1cba262c0c24b9a27a910909b
commit: ceabef7dd71720aef58bd182943352c9c307a3de dynamic_debug: add an option to enable dynamic debug for modules only
date:   12 months ago
config: parisc-randconfig-r003-20210605 (attached as .config)
compiler: hppa64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ceabef7dd71720aef58bd182943352c9c307a3de
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ceabef7dd71720aef58bd182943352c9c307a3de
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   hppa64-linux-ld: kernel/printk/printk.o(.text+0x25a8): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x2d40): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x2da4): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x2f64): cannot reach mutex_lock_interruptible
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x2fe0): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x303c): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x3068): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x30bc): cannot reach schedule
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x3120): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x31e8): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x3264): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x32b0): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x37f0): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x394c): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x3be4): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x3c7c): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x3cf4): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x3d3c): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x3e70): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x3f08): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x3f74): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x40e0): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x417c): cannot reach schedule
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x4554): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x45a8): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x46b8): cannot reach preempt_schedule
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x470c): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x4764): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x47ac): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x4d50): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x4d98): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x5110): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x5154): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x5390): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.text+0x53cc): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/printk/printk.o(.init.text+0x830): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/printk/printk.o(.init.text+0x88c): cannot reach _raw_spin_unlock
   hppa64-linux-ld: mm/percpu.o(.init.text+0x4f8): cannot reach __muldi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0xbe4): cannot reach __muldi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0xde4): cannot reach __muldi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x12cc): cannot reach __udivdi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x12e4): cannot reach __muldi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x1300): cannot reach __udivdi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x131c): cannot reach __umoddi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x1344): cannot reach __udivdi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x14b4): cannot reach __umoddi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x14d4): cannot reach __udivdi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x14fc): cannot reach $$divI
   hppa64-linux-ld: mm/percpu.o(.init.text+0x1510): cannot reach $$mulI
   hppa64-linux-ld: mm/percpu.o(.init.text+0x15a8): cannot reach $$divI
   hppa64-linux-ld: mm/percpu.o(.init.text+0x15b8): cannot reach $$mulI
   hppa64-linux-ld: mm/percpu.o(.init.text+0x1610): cannot reach $$divI
   hppa64-linux-ld: mm/percpu.o(.init.text+0x1620): cannot reach $$mulI
   hppa64-linux-ld: mm/percpu.o(.init.text+0x165c): cannot reach __udivdi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x168c): cannot reach __muldi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x1704): cannot reach $$divI
   hppa64-linux-ld: mm/percpu.o(.init.text+0x1714): cannot reach $$mulI
   hppa64-linux-ld: mm/percpu.o(.init.text+0x1810): cannot reach __muldi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x1890): cannot reach __muldi3
   hppa64-linux-ld: mm/percpu.o(.init.text+0x1a50): cannot reach __muldi3
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x810): cannot reach __muldi3
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x834): cannot reach __udivdi3
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x868): cannot reach __muldi3
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x88c): cannot reach __udivdi3
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x900): cannot reach __udivdi3
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0xa90): cannot reach _raw_spin_lock
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0xac4): cannot reach _raw_spin_unlock
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0xc84): cannot reach _raw_spin_lock_irqsave
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0xca4): cannot reach _raw_spin_unlock_irqrestore
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0xce4): cannot reach _raw_spin_unlock_irqrestore
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x14d0): cannot reach _raw_spin_lock_irqsave
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x14f0): cannot reach _raw_spin_unlock_irqrestore
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x156c): cannot reach _raw_spin_unlock_irqrestore
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x15e4): cannot reach _raw_spin_unlock_irqrestore
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x2d20): cannot reach __muldi3
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x2d40): cannot reach __udivdi3
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x2e1c): cannot reach __udivdi3
   hppa64-linux-ld: mm/page_alloc.o(.init.text+0x3124): cannot reach wait_for_completion
   hppa64-linux-ld: mm/page_alloc.o(.meminit.text+0xbb8): cannot reach mutex_lock
   hppa64-linux-ld: mm/page_alloc.o(.meminit.text+0xbdc): cannot reach mutex_unlock
   hppa64-linux-ld: mm/page_alloc.o(.ref.text+0x18): cannot reach unknown
   hppa64-linux-ld: mm/page_alloc.o(.ref.text+0x118): cannot reach printk
   hppa64-linux-ld: mm/page_alloc.o(.ref.text+0x154): cannot reach unknown
   hppa64-linux-ld: mm/hugetlb.o(.init.text+0xe54): cannot reach _raw_spin_lock
   hppa64-linux-ld: mm/hugetlb.o(.init.text+0xe80): cannot reach _raw_spin_unlock
   hppa64-linux-ld: mm/slub.o(.init.text+0x65c): cannot reach mutex_lock
   hppa64-linux-ld: mm/slub.o(.init.text+0x6a8): cannot reach mutex_unlock
   hppa64-linux-ld: mm/slub.o(.init.text+0x798): cannot reach mutex_lock
   hppa64-linux-ld: mm/slub.o(.init.text+0x7e4): cannot reach mutex_unlock
   hppa64-linux-ld: mm/slub.o(.init.text+0x8f0): cannot reach mutex_unlock
   hppa64-linux-ld: lib/test_hexdump.o(.init.text+0x8c): cannot reach __umoddi3
   hppa64-linux-ld: lib/test_hexdump.o(.init.text+0xf8): cannot reach __udivdi3
   hppa64-linux-ld: lib/test_hexdump.o(.init.text+0x188): cannot reach $$divI
   hppa64-linux-ld: lib/test_hexdump.o(.init.text+0x300): cannot reach __muldi3
   hppa64-linux-ld: lib/test_hexdump.o(.init.text+0x318): cannot reach __udivdi3
   hppa64-linux-ld: lib/test_hexdump.o(.init.text+0x338): cannot reach $$divI
   hppa64-linux-ld: lib/test_hexdump.o(.init.text+0x534): cannot reach $$remU
   hppa64-linux-ld: lib/test_hexdump.o(.init.text+0x798): cannot reach __umoddi3
   hppa64-linux-ld: lib/test_printf.o(.exit.text+0x20): cannot reach printk
   hppa64-linux-ld: lib/test_printf.o(.init.text+0x320): cannot reach __muldi3
>> hppa64-linux-ld: lib/dynamic_debug.o(.init.text+0x4e0): cannot reach mutex_lock
>> hppa64-linux-ld: lib/dynamic_debug.o(.init.text+0x530): cannot reach mutex_unlock
   hppa64-linux-ld: mm/mm_init.o(.init.text+0x100): cannot reach __udivdi3
   hppa64-linux-ld: mm/sparse.o(.meminit.text+0x160): cannot reach __udivdi3
   hppa64-linux-ld: mm/sparse.o(.meminit.text+0x178): cannot reach __muldi3
   hppa64-linux-ld: mm/sparse.o(.ref.text+0x68): cannot reach memblock_alloc_try_nid
   hppa64-linux-ld: mm/sparse.o(.ref.text+0x94): cannot reach panic
   hppa64-linux-ld: mm/sparse.o(.init.text+0x134): cannot reach unknown
   hppa64-linux-ld: init/calibrate.o(.text+0x13c): cannot reach __udivdi3
   hppa64-linux-ld: init/calibrate.o(.text+0x154): cannot reach __umoddi3
   hppa64-linux-ld: init/calibrate.o(.text+0x170): cannot reach __udivdi3
   hppa64-linux-ld: arch/parisc/kernel/processor.o(.text+0x288): cannot reach __udivdi3
   hppa64-linux-ld: arch/parisc/kernel/processor.o(.text+0x2a0): cannot reach __umoddi3
   hppa64-linux-ld: arch/parisc/kernel/processor.o(.text+0x2bc): cannot reach __udivdi3
   hppa64-linux-ld: kernel/fork.o(.text+0x30): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0xb0): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x5d0): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x604): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x6e4): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x710): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0xff8): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x1030): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x136c): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x13a0): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x1948): cannot reach down_write_killable
   hppa64-linux-ld: kernel/fork.o(.text+0x1984): cannot reach down_write
   hppa64-linux-ld: kernel/fork.o(.text+0x1c30): cannot reach down_write
   hppa64-linux-ld: kernel/fork.o(.text+0x1c50): cannot reach _raw_spin_lock_irq
   hppa64-linux-ld: kernel/fork.o(.text+0x1c80): cannot reach _raw_spin_unlock_irq
   hppa64-linux-ld: kernel/fork.o(.text+0x2304): cannot reach mutex_lock_killable
   hppa64-linux-ld: kernel/fork.o(.text+0x23a4): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x274c): cannot reach _raw_spin_lock_irq
   hppa64-linux-ld: kernel/fork.o(.text+0x27a8): cannot reach _raw_spin_unlock_irq
   hppa64-linux-ld: kernel/fork.o(.text+0x2ba0): cannot reach _raw_spin_lock_irq
   hppa64-linux-ld: kernel/fork.o(.text+0x2be0): cannot reach _raw_spin_unlock_irq
   hppa64-linux-ld: kernel/fork.o(.text+0x2de0): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x2e08): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x2ea0): cannot reach _raw_spin_lock_irq
   hppa64-linux-ld: kernel/fork.o(.text+0x2ee4): cannot reach _raw_spin_unlock_irq
   hppa64-linux-ld: kernel/fork.o(.text+0x3078): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x30c0): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x37e4): cannot reach _raw_write_lock_irq
   hppa64-linux-ld: kernel/fork.o(.text+0x382c): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x3aec): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x3afc): cannot reach _raw_write_unlock_irq
   hppa64-linux-ld: kernel/fork.o(.text+0x3cc4): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x3cd8): cannot reach _raw_write_unlock_irq
   hppa64-linux-ld: kernel/fork.o(.text+0x3d30): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x4310): cannot reach wait_for_completion_killable
   hppa64-linux-ld: kernel/fork.o(.text+0x4450): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x4468): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x495c): cannot reach _raw_read_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x4a18): cannot reach _raw_read_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x4c70): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x4c98): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x4cd4): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x4d18): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/fork.o(.text+0x4f0c): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/fork.o(.text+0x4f24): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/panic.o(.text+0x158): cannot reach _raw_spin_lock_irqsave
   hppa64-linux-ld: kernel/panic.o(.text+0x188): cannot reach _raw_spin_unlock_irqrestore
   hppa64-linux-ld: kernel/panic.o(.text+0x1e4): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/panic.o(.text+0x20c): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/panic.o(.text+0x248): cannot reach _raw_spin_unlock
   hppa64-linux-ld: kernel/panic.o(.text+0x27c): cannot reach _raw_spin_lock
   hppa64-linux-ld: kernel/panic.o(.text+0x6a0): cannot reach debug_locks_off
   hppa64-linux-ld: kernel/panic.o(.text.unlikely+0x2ec): cannot reach debug_locks_off
   hppa64-linux-ld: kernel/cpu.o(.text+0x684): cannot reach wait_for_completion
   hppa64-linux-ld: kernel/cpu.o(.text+0x828): cannot reach wait_for_completion
   hppa64-linux-ld: kernel/cpu.o(.text+0x9c4): cannot reach wait_for_completion
   hppa64-linux-ld: kernel/cpu.o(.text+0xcb8): cannot reach mutex_lock
   hppa64-linux-ld: kernel/cpu.o(.text+0xcdc): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0xd28): cannot reach mutex_lock
   hppa64-linux-ld: kernel/cpu.o(.text+0xd50): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0xf48): cannot reach mutex_lock
   hppa64-linux-ld: kernel/cpu.o(.text+0xf7c): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0xfc8): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0x1150): cannot reach mutex_lock
   hppa64-linux-ld: kernel/cpu.o(.text+0x11ac): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0x15a0): cannot reach mutex_lock
   hppa64-linux-ld: kernel/cpu.o(.text+0x170c): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0x1824): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0x1868): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0x1900): cannot reach mutex_lock
   hppa64-linux-ld: kernel/cpu.o(.text+0x19f8): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0x1ad4): cannot reach preempt_schedule
   hppa64-linux-ld: kernel/cpu.o(.text+0x1bf0): cannot reach mutex_lock
   hppa64-linux-ld: kernel/cpu.o(.text+0x1cb4): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0x1d60): cannot reach preempt_schedule
   hppa64-linux-ld: kernel/cpu.o(.text+0x1d84): cannot reach preempt_schedule
   hppa64-linux-ld: kernel/cpu.o(.text+0x1e90): cannot reach preempt_schedule
   hppa64-linux-ld: kernel/cpu.o(.text+0x1f60): cannot reach preempt_schedule
   hppa64-linux-ld: kernel/cpu.o(.text+0x20e8): cannot reach preempt_schedule
   hppa64-linux-ld: kernel/cpu.o(.text+0x210c): cannot reach preempt_schedule
   hppa64-linux-ld: kernel/cpu.o(.text+0x22c8): cannot reach preempt_schedule
   hppa64-linux-ld: kernel/cpu.o(.text+0x22fc): cannot reach preempt_schedule
   hppa64-linux-ld: kernel/cpu.o(.text+0x23b0): cannot reach mutex_lock
   hppa64-linux-ld: kernel/cpu.o(.text+0x23f0): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0x2554): cannot reach mutex_lock
   hppa64-linux-ld: kernel/cpu.o(.text+0x257c): cannot reach mutex_unlock
   hppa64-linux-ld: kernel/cpu.o(.text+0x2828): cannot reach mutex_lock
   hppa64-linux-ld: kernel/cpu.o(.text+0x2850): cannot reach unknown

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 20807 bytes --]

^ permalink raw reply	[flat|nested] only message in thread
only message in thread, other threads:[~2021-06-05 14:42 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-06-05 14:42 hppa64-linux-ld: lib/dynamic_debug.o(.init.text+0x4e0): cannot reach mutex_lock kernel test robot

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).