Hi Greg,
many thanks,
Angelo
On Tue, Jun 19, 2018 at 09:55:12AM +1000, Greg Ungerer wrote:
Hi Angelo,
On 19/06/18 08:19, Angelo Dureghello wrote:
after rebasing to master today, i am experiencing the following
issue:
[ 2.660000] mcfuart.0: ttyS3 at MMIO 0xfc06c000 (irq = 93, base_baud = 7500000) is a ColdFire UART
[ 2.700000] m25p80 spi0.1: is25lp128 (16384 Kbytes)
[ 2.710000] Creating 3 MTD partitions on "is25lp128":
[ 2.710000] 0x000000000000-0x000000100000 : "U-Boot (1024K)"
[ 2.730000] 0x000000100000-0x000000800000 : "Kernel+initramfs (7168K)"
[ 2.760000] 0x000000800000-0x000001000000 : "Flash Free Space (8192K)"
[ 2.790000] Freeing unused kernel memory: 328K
[ 2.800000] This architecture does not have kernel memory protection.
[ 2.970000] BUG: Bad page state in process mount pfn:23dff
[ 2.970000] page:402f97dc count:0 mapcount:-1024 mapping:00000000 index:0x0
[ 2.970000] flags: 0x0()
[ 2.970000] raw: 00000000 00000100 00000200 00000000 00000000 00000000 fffffbff 00000000
[ 2.970000] raw: 47bfe000
[ 2.970000] page dumped because: nonzero mapcount
See patch at:
https://www.spinics.net/lists/linux-m68k/msg11810.html
That fix may be improved yet, but it should fix this specific issue.
Regards
Greg
[ 2.970000] CPU: 0 PID: 17 Comm: mount Not tainted 4.18.0-rc1stmark2-001-00030-g2a657c5c91d9 #721
[ 2.970000] Stack from 47bf9de8:
[ 2.970000] 47bf9de8 401a1644 4003e154 402128a8 40302b74 4003e176 4003e1c8 402f97dc
[ 2.970000] 40192255 00000000 00000002 4003e450 402f97dc 00000000 0000082e 00000000
[ 2.970000] 0007bfc0 c0000000 c0000000 402f97b8 40302b74 402f97e0 bfffffff 4005d0d4
[ 2.970000] 47bf9f32 402729b4 402729b4 4003edbe 402128a8 00000003 40302b68 00002000
[ 2.970000] c0000000 402f97b8 47bfabfc bfffffff 4003f6ec 402f97b8 bfc00000 47bf9f32
[ 2.970000] 4005501a 402f97b8 00000000 40054e8c bffde000 4005dddc 400591bc 47be1670
[ 2.970000] Call Trace: [<4003e154>] bad_page+0xee/0x110
[ 2.970000] [<4003e176>] free_pages_check_bad+0x0/0x5a
[ 2.970000] [<4003e1c8>] free_pages_check_bad+0x52/0x5a
[ 2.970000] [<4003e450>] free_pcppages_bulk+0x226/0x2aa
[ 2.970000] [<4005d0d4>] anon_vma_chain_free+0x0/0x14
[ 2.970000] [<4003edbe>] free_unref_page_commit.isra.13+0x80/0x8e
[ 2.970000] [<4003f6ec>] free_unref_page+0x6e/0x78
[ 2.970000] [<4005501a>] free_pgd_range+0x18e/0x1ac
[ 2.970000] [<40054e8c>] free_pgd_range+0x0/0x1ac
[ 2.970000] [<4005dddc>] unlink_anon_vmas+0x0/0x168
[ 2.970000] [<400591bc>] unlink_file_vma+0x0/0x52
[ 2.970000] [<4005dddc>] unlink_anon_vmas+0x0/0x168
[ 2.970000] [<400591bc>] unlink_file_vma+0x0/0x52
[ 2.970000] [<400550bc>] free_pgtables+0x84/0x94
[ 2.970000] [<40151114>] down_read+0x0/0x6
[ 2.970000] [<40021208>] up_read+0x0/0x6
[ 2.970000] [<40058da8>] remove_vma+0x0/0x4c
[ 2.970000] [<4005a332>] exit_mmap+0xac/0x138
[ 2.970000] [<40005e0a>] mmput+0x18/0x72
[ 2.970000] [<40008efe>] do_exit+0x224/0x668
[ 2.970000] [<4000935c>] sys_exit+0x0/0x14
[ 2.970000] [<40085f84>] sys_mount+0x1a/0x20
[ 2.970000] [<40009370>] do_group_exit+0x0/0x76
[ 2.970000] [<40005190>] system_call+0x54/0x96
[ 2.970000] Disabling lock debugging due to kernel taint
And several seems equal issues just after.
Btw, i can reach the prompt.
Any idea of what could cause those oops ?
Thanks,
Angelo
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