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The address provided by the SMBIOS/DMI CRU information is mapped via
ioremap() in the virtual address space. However, since the address is
executed (i.e. call'd), we need to set that pages as executable.
Without that, I get following oops on a HP ProLiant DL385 G2
machine with BIOS from 05/29/2008 when I trigger crashdump:
BUG: unable to handle kernel paging request at ffffc20011090c00
IP: [<ffffc20011090c00>] 0xffffc20011090c00
PGD 12f813067 PUD 7fe6a067 PMD 7effe067 PTE 80000000fffd3173
Oops: 0011 [1] SMP
last sysfs file: /sys/devices/system/cpu/cpu3/cache/index2/shared_cpu_map
CPU 1
Modules linked in: autofs4 ipv6 af_packet cpufreq_conservative cpufreq_userspace
cpufreq_powersave powernow_k8 fuse loop dm_mod rtc_cmos ipmi_si sg rtc_core i2c
_piix4 ipmi_msghandler bnx2 sr_mod container button i2c_core hpilo joydev pcspkr
rtc_lib shpchp hpwdt cdrom pci_hotplug usbhid hid ff_memless ohci_hcd ehci_hcd
uhci_hcd usbcore edd ext3 mbcache jbd fan ide_pci_generic serverworks ide_core p
ata_serverworks pata_acpi cciss ata_generic libata scsi_mod dock thermal process
or thermal_sys hwmon
Supported: Yes
Pid: 0, comm: swapper Not tainted 2.6.27.5-HEAD_20081111100657-default #1
RIP: 0010:[<ffffc20011090c00>] [<ffffc20011090c00>] 0xffffc20011090c00
RSP: 0018:ffff88012f6f9e68 EFLAGS: 00010046
RAX: 0000000000000d02 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88012f6f9e98 R08: 666666666666660a R09: ffffffffa1006fc0
R10: 0000000000000000 R11: ffff88012f6f3ea8 R12: ffffc20011090c00
R13: ffff88012f6f9ee8 R14: 000000000000000e R15: 0000000000000000
FS: 00007ff70b29a6f0(0000) GS:ffff88012f6512c0(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: ffffc20011090c00 CR3: 0000000000201000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffff88012f6f2000, task ffff88007fa8a1c0)
Stack: ffffffffa0f8502b 0000000000000002 ffffffff80738d50 0000000000000000
0000000000000046 0000000000000046 00000000fffffffe ffffffffa0f852ec
0000000000000000 ffffffff804ad9a6 0000000000000000 0000000000000000
Call Trace:
Inexact backtrace:
<NMI> [<ffffffffa0f8502b>] ? asminline_call+0x2b/0x55 [hpwdt]
[<ffffffffa0f852ec>] hpwdt_pretimeout+0x3c/0xa0 [hpwdt]
[<ffffffff804ad9a6>] ? notifier_call_chain+0x29/0x4c
[<ffffffff802587e4>] ? notify_die+0x2d/0x32
[<ffffffff804abbdc>] ? default_do_nmi+0x53/0x1d9
[<ffffffff804abd90>] ? do_nmi+0x2e/0x43
[<ffffffff804ab552>] ? nmi+0xa2/0xd0
[<ffffffff80221ef9>] ? native_safe_halt+0x2/0x3
<<EOE>> [<ffffffff8021345d>] ? default_idle+0x38/0x54
[<ffffffff8021359a>] ? c1e_idle+0x118/0x11c
[<ffffffff8020b3b5>] ? cpu_idle+0xa9/0xf1
Code: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <55> 50 e8 00 00 00 00 58 48 2d 07 10 40 00 48 8b e8 58 e9 68 02
RIP [<ffffc20011090c00>] 0xffffc20011090c00
RSP <ffff88012f6f9e68>
CR2: ffffc20011090c00
Kernel panic - not syncing: Fatal exception
Signed-off-by: Bernhard Walle <bwalle@suse.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Thomas Mingarelli <Thomas.Mingarelli@hp.com>
Cc: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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|---|---|---|
| .. | ||
| acquirewdt.c | ||
| advantechwdt.c | ||
| alim1535_wdt.c | ||
| alim7101_wdt.c | ||
| ar7_wdt.c | ||
| at32ap700x_wdt.c | ||
| at91rm9200_wdt.c | ||
| at91sam9_wdt.c | ||
| bfin_wdt.c | ||
| booke_wdt.c | ||
| cpu5wdt.c | ||
| cpwd.c | ||
| davinci_wdt.c | ||
| ep93xx_wdt.c | ||
| eurotechwdt.c | ||
| geodewdt.c | ||
| hpwdt.c | ||
| i6300esb.c | ||
| ib700wdt.c | ||
| ibmasr.c | ||
| indydog.c | ||
| iop_wdt.c | ||
| it87_wdt.c | ||
| it8712f_wdt.c | ||
| iTCO_vendor.h | ||
| iTCO_vendor_support.c | ||
| iTCO_wdt.c | ||
| ixp4xx_wdt.c | ||
| ixp2000_wdt.c | ||
| Kconfig | ||
| ks8695_wdt.c | ||
| machzwd.c | ||
| Makefile | ||
| mixcomwd.c | ||
| mpc8xxx_wdt.c | ||
| mpc5200_wdt.c | ||
| mpcore_wdt.c | ||
| mtx-1_wdt.c | ||
| mv64x60_wdt.c | ||
| omap_wdt.c | ||
| omap_wdt.h | ||
| orion5x_wdt.c | ||
| pc87413_wdt.c | ||
| pcwd.c | ||
| pcwd_pci.c | ||
| pcwd_usb.c | ||
| pnx4008_wdt.c | ||
| rc32434_wdt.c | ||
| rdc321x_wdt.c | ||
| riowd.c | ||
| rm9k_wdt.c | ||
| s3c2410_wdt.c | ||
| sa1100_wdt.c | ||
| sb_wdog.c | ||
| sbc60xxwdt.c | ||
| sbc7240_wdt.c | ||
| sbc8360.c | ||
| sbc_epx_c3.c | ||
| sc520_wdt.c | ||
| sc1200wdt.c | ||
| scx200_wdt.c | ||
| shwdt.c | ||
| smsc37b787_wdt.c | ||
| softdog.c | ||
| txx9wdt.c | ||
| w83627hf_wdt.c | ||
| w83697hf_wdt.c | ||
| w83697ug_wdt.c | ||
| w83877f_wdt.c | ||
| w83977f_wdt.c | ||
| wafer5823wdt.c | ||
| wd501p.h | ||
| wdrtas.c | ||
| wdt.c | ||
| wdt285.c | ||
| wdt977.c | ||
| wdt_pci.c | ||