Subject: [Bug 216156] kmemleak: Not scanning unknown object at 0xc00000007f000000

From: [email-masked]
Date: Sat, 19 Aug 2023 23:00:15 +0000

https://bugzilla.kernel.org/show_bug.cgi?id=216156

Erhard F. ([email-masked]) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #301230|0                           |1
        is obsolete|                            |
 Attachment #301232|0                           |1
        is obsolete|                            |
 Attachment #303178|0                           |1
        is obsolete|                            |

--- Comment #8 from Erhard F. ([email-masked]) ---
Created attachment 304914
  --> https://bugzilla.kernel.org/attachment.cgi?id=304914&action=edit
dmesg (6.5-rc6, PowerMac G5 11,2)

Kernel 6.5-rc6 still affected.

[...]
PowerMac motherboard: PowerMac G5 Dual Core
ioremap() called early from btext_map+0x6c/0xf0. Use early_ioremap() instead
ioremap() called early from iommu_init_early_dart+0x270/0x948. Use
early_ioremap() instead
kmemleak: Not scanning unknown object at 0xc00000007f000000
CPU: 0 PID: 0 Comm: swapper Tainted: G                T  6.5.0-rc6-PMacG5-dirty
#1
Call Trace:
[c00000000241fc70] [c000000000ff726c] dump_stack_lvl+0xb0/0x11c (unreliable)
[c00000000241fcb0] [c00000000048fdc8] kmemleak_no_scan+0x118/0x130
[c00000000241fd20] [c000000002021ad0] iommu_init_early_dart+0x300/0x948
[c00000000241fe30] [c000000002022bf8] pmac_probe+0x1b8/0x228
[c00000000241fe80] [c00000000200ec24] setup_arch+0x270/0x7d4
[c00000000241ff30] [c000000002004f14] start_kernel+0xc0/0x850
[c00000000241ffe0] [c00000000000cb48] start_here_common+0x1c/0x20
DART table allocated at: (____ptrval____)
DART IOMMU initialized for U4 type chipset
Hardware name: PowerMac11,2 PPC970MP 0x440101 PowerMac
printk: bootconsole [udbg0] enabled
CPU maps initialized for 1 thread per core
[...]

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