https://bugzilla.kernel.org/show_bug.cgi?id=215389
Erhard F. (erhar...@mailbox.org) changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #300113|0 |1
is obsolete| |
Attachment #300929|0 |1
is obsolete| |
--- Comment #28 from Erhard F. (erhar...@mailbox.org) ---
Created attachment 301302
--> https://bugzilla.kernel.org/attachment.cgi?id=301302&action=edit
dmesg (5.19-rc4, PowerMac G4 DP)
Re-tried on v5.19-rc4 (without fadditional patches) + KFENCE.
My findings so far:
1. Memory corruption still persists.
2. Even without KASAN I need THREAD_SHIFT=14 or else I get the stack overflow
from bug #216041.
3. Memory corruption also happens with CONFIG_LOWMEM_SIZE=0x28000000.
4. But the "neverending build" commit mentioned in comment #9 is gone (be it
with default .config or CONFIG_LOWMEM_SIZE=0x28000000).
[...]
pagealloc: memory corruption
fffdfff0: 00 00 00 00 ....
CPU: 0 PID: 29136 Comm: localedef Not tainted 5.19.0-rc4-PMacG4 #3
Call Trace:
[f39b3c20] [c05eb9c0] dump_stack_lvl+0x60/0x90 (unreliable)
[f39b3c40] [c0232fb0] __kernel_unpoison_pages+0x1a8/0x1ec
[f39b3c90] [c02170dc] get_page_from_freelist+0xc20/0xe70
[f39b3d50] [c0217bdc] __alloc_pages+0x18c/0xe80
[f39b3e10] [c01f46b4] wp_page_copy+0x214/0xa1c
[f39b3e80] [c01fa0b8] handle_mm_fault+0x720/0xd64
[f39b3f00] [c00215dc] do_page_fault+0x1d4/0x830
[f39b3f30] [c000433c] DataAccess_virt+0x124/0x17c
--- interrupt: 300 at 0x669410
NIP: 00669410 LR: 006693e4 CTR: 00000000
REGS: f39b3f40 TRAP: 0300 Not tainted (5.19.0-rc4-PMacG4)
MSR: 0000d032 <EE,PR,ME,IR,DR,RI> CR: 84002462 XER: 20000000
DAR: a7a3cce8 DSISR: 0a000000
GPR00: 0066961c afd34060 a7bd3000 01a069bc 01b76d60 00000009 a4e0c05a 0005ccd8
GPR08: 01b76140 a7a3cce8 a7a43e44 400a713a 44002862 0068fe34 01b8d730 00000001
GPR16: 00000000 01a069bc 01a069f8 01a06990 01b8d170 01a06894 0000000f 00000009
GPR24: 01b76d60 a4e0c05a 0000018d a7ad9f00 a79e0010 000041cb 00697cdc 01a069bc
NIP [00669410] 0x669410
LR [006693e4] 0x6693e4
--- interrupt: 300
page:ef4bd80c refcount:1 mapcount:0 mapping:00000000 index:0x1 pfn:0x310ab
flags: 0x80000000(zone=2)
raw: 80000000 00000100 00000122 00000000 00000001 00000000 ffffffff 00000001
raw: 00000000
page dumped because: pagealloc: corrupted page details
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