From: John David Anglin <dave.anglin@bell.net>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>,
linux-mm@kvack.org, linux-arch@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Helge Deller <deller@gmx.de>,
linux-parisc@vger.kernel.org
Subject: Re: [PATCH v3 18/34] parisc: Implement the new page table range API
Date: Sat, 4 Mar 2023 11:27:07 -0500 [thread overview]
Message-ID: <970f7627-e1fd-9f81-fbfa-091a03f0ac2a@bell.net> (raw)
In-Reply-To: <1d0efde0-a7a5-11ca-158a-a30825d44516@bell.net>
On 2023-03-02 3:40 p.m., John David Anglin wrote:
> On 2023-03-02 11:43 a.m., John David Anglin wrote:
>> On 2023-02-28 4:37 p.m., Matthew Wilcox (Oracle) wrote:
>>> Add set_ptes(), update_mmu_cache_range(), flush_dcache_folio()
>>> and flush_icache_pages(). Change the PG_arch_1 (aka PG_dcache_dirty) flag
>>> from being per-page to per-folio.
>> I have tested this change on rp3440 at mainline commit e492250d5252635b6c97d52eddf2792ec26f1ec1
>> and c8000 at mainline commit ee3f96b164688dae21e2466a57f2e806b64e8a37.
> Here's another one:
>
> ------------[ cut here ]------------
> kernel BUG at mm/memory.c:3865!
> CPU: 1 PID: 6972 Comm: sbuild Not tainted 6.2.0+ #1
> Hardware name: 9000/800/rp3440
>
> YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
> PSW: 00001000000001101111111100001111 Not tainted
> r00-03 000000000806ff0f 000000004fab8d40 00000000404584b0 000000004fab8d40
> r04-07 0000000040c2f4c0 0000000047fe60c0 000000004fab8b98 0000000000000953
> r08-11 000000004de3de00 0000000000000000 0000000047fe60c0 0000004093ff4660
> r12-15 0000000000000001 0000000047fe60c0 0000000040000540 000000022f8e9540
> r16-19 0000000000000000 000000004c694c40 000000004fab8860 00000000000003d0
> r20-23 0000000007be3a40 0000000000000fff 0000000000000000 000000004109f1a0
> r24-27 0000000000000000 0000000000000cc0 0000000046de3a68 0000000040c2f4c0
> r28-31 80e00000000a0435 000000004fab8df0 000000004fab8e20 0000000000000001
> sr00-03 0000000000207c00 0000000000000000 0000000000000000 0000000002f11c00
> sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>
> IASQ: 0000000000000000 0000000000000000 IAOQ: 000000004045908c 0000000040459090
> IIR: 03ffe01f ISR: 0000000000000000 IOR: 0000000000000000
> CPU: 1 CR30: 0000004095d64c20 CR31: ffffffffffffffff
> ORIG_R28: 000000001c569ad0
> IAOQ[0]: do_swap_page+0x108c/0x1168
> IAOQ[1]: do_swap_page+0x1090/0x1168
> RP(r2): do_swap_page+0x4b0/0x1168
> Backtrace:
> [<000000004045a554>] handle_pte_fault+0x244/0x358
> [<000000004045c58c>] __handle_mm_fault+0x104/0x1b8
> [<000000004045c81c>] handle_mm_fault+0x1dc/0x318
> [<000000004044cb38>] faultin_page+0xa8/0x178
> [<000000004044e848>] __get_user_pages+0x328/0x560
> [<0000000040450ac4>] get_dump_page+0x9c/0x128
> [<0000000040596cb8>] dump_user_range+0xc0/0x2d8
> [<000000004058e790>] elf_core_dump+0x5f8/0x708
> [<0000000040596384>] do_coredump+0xc2c/0x14a0
> [<0000000040259040>] get_signal+0x4a8/0xb60
> [<000000004021a570>] do_signal+0x50/0x228
> [<000000004021ab38>] do_notify_resume+0x68/0x150
> [<0000000040203ee0>] syscall_do_signal+0x54/0xa0
Removed new page table API change and still see a swap issue on rp3440. So, these bugs are probably
unrelated to the API change.
get_swap_device: Bad swap file entry 600000000014ee20
get_swap_device: Bad swap file entry 600000000014ee20
[...]
get_swap_device: Bad swap file entry 600000000014ee20
_swap_info_get: Bad swap file entry 600000000014ee20
BUG: Bad page map in process sh pte:14ee2418 pmd:01372913
addr:00000000f8406000 vm_flags:00000075 anon_vma:0000000000000000 mapping:000000007f67e1a8 index:25
file:libc.so.6 fault:xfs_filemap_fault [xfs] mmap:xfs_file_mmap [xfs] read_folio:xfs_vm_read_folio [xfs]
CPU: 3 PID: 12702 Comm: sh Not tainted 6.2.0+ #1
Hardware name: 9000/800/rp3440
Backtrace:
[<000000004020ac50>] show_stack+0x70/0x90
[<0000000040b7c148>] dump_stack_lvl+0xd8/0x128
[<0000000040b7c1cc>] dump_stack+0x34/0x48
[<000000004045020c>] print_bad_pte+0x24c/0x318
[<0000000040454f78>] zap_pte_range+0x908/0x990
[<0000000040455238>] unmap_page_range+0x1d8/0x490
[<00000000404556bc>] unmap_vmas+0x10c/0x1a8
[<0000000040465278>] exit_mmap+0x198/0x4a0
[<0000000040234a3c>] mmput+0x114/0x2a8
[<0000000040243c10>] do_exit+0x4e0/0xc68
[<00000000402446b8>] do_group_exit+0x68/0x128
[<00000000402583fc>] get_signal+0xae4/0xb60
[<0000000040219310>] do_signal+0x50/0x228
[<00000000402198d8>] do_notify_resume+0x68/0x150
[<00000000402030b4>] intr_check_sig+0x38/0x3c
Dave
--
John David Anglin dave.anglin@bell.net
next prev parent reply other threads:[~2023-03-04 16:28 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-28 21:37 [PATCH v3 00/34] New " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 01/34] mm: Convert page_table_check_pte_set() to page_table_check_ptes_set() Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 02/34] mm: Add generic flush_icache_pages() and documentation Matthew Wilcox (Oracle)
2023-03-15 9:27 ` Mike Rapoport
2023-02-28 21:37 ` [PATCH v3 03/34] mm: Add folio_flush_mapping() Matthew Wilcox (Oracle)
2023-03-03 10:33 ` Mike Rapoport
2023-02-28 21:37 ` [PATCH v3 04/34] mm: Remove ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 05/34] alpha: Implement the new page table range API Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 06/34] arc: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 07/34] arm: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 08/34] arm64: " Matthew Wilcox (Oracle)
2023-03-09 11:03 ` Ryan Roberts
2023-02-28 21:37 ` [PATCH v3 09/34] csky: " Matthew Wilcox (Oracle)
2023-03-03 11:40 ` Mike Rapoport
2023-02-28 21:37 ` [PATCH v3 10/34] hexagon: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 11/34] ia64: " Matthew Wilcox (Oracle)
2023-03-03 11:56 ` Mike Rapoport
2023-03-03 14:36 ` Matthew Wilcox
2023-02-28 21:37 ` [PATCH v3 12/34] loongarch: " Matthew Wilcox (Oracle)
2023-03-01 2:04 ` WANG Xuerui
2023-02-28 21:37 ` [PATCH v3 13/34] m68k: " Matthew Wilcox (Oracle)
2023-03-05 10:16 ` Geert Uytterhoeven
2023-03-05 15:28 ` Matthew Wilcox
2023-03-05 16:48 ` Geert Uytterhoeven
2023-03-05 20:44 ` Michael Schmitz
2023-03-06 7:21 ` Geert Uytterhoeven
2023-03-06 23:01 ` Michael Schmitz
2023-02-28 21:37 ` [PATCH v3 14/34] microblaze: " Matthew Wilcox (Oracle)
2023-03-03 10:53 ` Mike Rapoport
2023-03-03 14:38 ` Matthew Wilcox
2023-02-28 21:37 ` [PATCH v3 15/34] mips: " Matthew Wilcox (Oracle)
2023-03-03 12:24 ` Mike Rapoport
2023-02-28 21:37 ` [PATCH v3 16/34] nios2: " Matthew Wilcox (Oracle)
2023-03-03 12:49 ` Mike Rapoport
2023-02-28 21:37 ` [PATCH v3 17/34] openrisc: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 18/34] parisc: " Matthew Wilcox (Oracle)
2023-03-02 16:43 ` John David Anglin
2023-03-02 20:40 ` John David Anglin
2023-03-04 16:27 ` John David Anglin [this message]
2023-02-28 21:37 ` [PATCH v3 19/34] powerpc: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 20/34] riscv: " Matthew Wilcox (Oracle)
2023-03-15 5:23 ` Palmer Dabbelt
2023-02-28 21:37 ` [PATCH v3 21/34] s390: " Matthew Wilcox (Oracle)
2023-03-02 13:31 ` Gerald Schaefer
2023-02-28 21:37 ` [PATCH v3 22/34] superh: " Matthew Wilcox (Oracle)
2023-03-01 8:06 ` Geert Uytterhoeven
2023-03-01 16:17 ` Matthew Wilcox
2023-02-28 21:37 ` [PATCH v3 23/34] sparc32: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 24/34] sparc64: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 25/34] um: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 26/34] x86: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 27/34] xtensa: " Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 28/34] mm: Remove page_mapping_file() Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 29/34] mm: Rationalise flush_icache_pages() and flush_icache_page() Matthew Wilcox (Oracle)
2023-03-05 9:53 ` Geert Uytterhoeven
2023-02-28 21:37 ` [PATCH v3 30/34] mm: Use flush_icache_pages() in do_set_pmd() Matthew Wilcox (Oracle)
2023-03-03 14:02 ` Mike Rapoport
2023-03-03 16:02 ` Matthew Wilcox
2023-02-28 21:37 ` [PATCH v3 31/34] filemap: Add filemap_map_folio_range() Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 32/34] rmap: add folio_add_file_rmap_range() Matthew Wilcox (Oracle)
2023-03-01 3:04 ` Yin, Fengwei
2023-02-28 21:37 ` [PATCH v3 33/34] mm: Convert do_set_pte() to set_pte_range() Matthew Wilcox (Oracle)
2023-02-28 21:37 ` [PATCH v3 34/34] filemap: Batch PTE mappings Matthew Wilcox (Oracle)
2023-03-03 14:19 ` [PATCH v3 00/34] New page table range API Mike Rapoport
2023-03-05 10:15 ` Geert Uytterhoeven
2023-03-09 11:09 ` Ryan Roberts
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