linux-kernel - 2.6.33-git6 boot failure[x86_64] (WARN: at arch/x86/mm/ioremap.c:111)

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Message-ID: <4B8B43E9.1010506@in.ibm.com>
Date:	Mon, 01 Mar 2010 10:04:49 +0530
From:	Sachin Sant <sachinp@...ibm.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
CC:	Ingo Molnar <mingo@...hat.com>, x86@...nel.org
Subject: 2.6.33-git6 boot failure[x86_64] (WARN: at arch/x86/mm/ioremap.c:111)

Latest 2.6.33 git(30ff056..) failed to boot on a x86_64 box
with errors during mptsas/mptbase initialization. I also
noticed a warning during ACPI initialization.

Performance Events: AMD PMU driver.
... version:                0
... bit width:              48
... generic registers:      4
... value mask:             0000ffffffffffff
... max period:             00007fffffffffff
... fixed-purpose events:   0
... event mask:             000000000000000f
ACPI: Core revision 20091214
------------[ cut here ]------------
WARNING: at arch/x86/mm/ioremap.c:111 __ioremap_caller+0x169/0x2f1()
Hardware name: BladeCenter LS21 -[79716AA]-
Modules linked in:
Pid: 0, comm: swapper Not tainted 2.6.33-git6-autotest #1
Call Trace:
 [<ffffffff81047cff>] ? __ioremap_caller+0x169/0x2f1
 [<ffffffff81063b7d>] warn_slowpath_common+0x77/0xa4
 [<ffffffff81063bb9>] warn_slowpath_null+0xf/0x11
 [<ffffffff81047cff>] __ioremap_caller+0x169/0x2f1
 [<ffffffff813747a3>] ? acpi_os_map_memory+0x12/0x1b
 [<ffffffff81047f10>] ioremap_nocache+0x12/0x14
 [<ffffffff813747a3>] acpi_os_map_memory+0x12/0x1b
 [<ffffffff81282fa0>] acpi_tb_verify_table+0x29/0x5b
 [<ffffffff812827f0>] acpi_load_tables+0x39/0x15a
 [<ffffffff8191c8f8>] acpi_early_init+0x60/0xf5
 [<ffffffff818f2cad>] start_kernel+0x397/0x3a7
 [<ffffffff818f2295>] x86_64_start_reservations+0xa5/0xa9
 [<ffffffff818f237a>] x86_64_start_kernel+0xe1/0xe8
---[ end trace 4eaa2a86a8e2da22 ]---
ioremap reserve_memtype failed -22
ACPI Exception: AE_NO_ACPI_TABLES, While loading namespace from ACPI tables (20091214/tbxface-604)
ACPI: Unable to load the System Description Tables

I observed similar failure with x86_32 as well.

2.6.33-git5 (847f9c6...) worked fine.

Have attached dmesg log.

Thanks
-Sachin


-- 

---------------------------------
Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
---------------------------------


View attachment "boot-log" of type "text/plain" (16547 bytes)