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authorDaniel Schaeffer <daniel@dschaeffer.localdomain>2008-01-30 15:42:41 -0500
committerDaniel Schaeffer <daniel@dschaeffer.localdomain>2008-01-30 15:42:41 -0500
commit648b932d8cf61f38d08a84e6388036b22766c2df (patch)
tree3c48859a194482b645b93c1bead3bcc323327fb7 /Documentation/oops-tracing.txt
parent2506ae0663e660d8dc7624fcdae1814c8ee3d10a (diff)
parentbbf25010f1a6b761914430f5fca081ec8c7accd1 (diff)
Merge branch '2.6.23' into 2.6.22.6-imx27
Conflicts: Documentation/kernel-parameters.txt Makefile arch/arm/Kconfig arch/arm/Makefile arch/arm/mach-mx3/Kconfig arch/arm/mach-mx3/Makefile arch/arm/mach-mx3/mm.c arch/arm/mach-mx3/mx31ads.c arch/arm/mm/Kconfig arch/arm/plat-mxc/Kconfig arch/arm/plat-mxc/Makefile arch/arm/plat-mxc/irq.c block/cfq-iosched.c drivers/ata/ahci.c drivers/ata/libata-core.c drivers/char/watchdog/Kconfig drivers/firewire/fw-sbp2.c drivers/md/dm-crypt.c drivers/media/video/pwc/pwc-if.c drivers/mmc/card/Kconfig drivers/mmc/card/queue.c drivers/mmc/core/Makefile drivers/mmc/core/bus.c drivers/mmc/core/core.c drivers/mmc/core/host.c drivers/mmc/core/mmc.c drivers/mmc/core/sd.c drivers/mmc/core/sd_ops.c drivers/mmc/host/at91_mci.c drivers/mmc/host/sdhci.c drivers/net/bonding/bond_main.c drivers/net/fec.c drivers/net/forcedeth.c drivers/net/r8169.c drivers/net/sky2.c drivers/rtc/Kconfig drivers/rtc/Makefile drivers/spi/Kconfig drivers/spi/Makefile drivers/usb/gadget/Makefile drivers/usb/gadget/gadget_chips.h drivers/usb/host/ehci.h drivers/video/logo/logo.c drivers/w1/slaves/Makefile fs/9p/conv.c fs/direct-io.c fs/exec.c fs/ocfs2/file.c fs/signalfd.c fs/sysfs/file.c include/asm-arm/arch-mxc/dma.h include/asm-arm/arch-mxc/entry-macro.S include/asm-arm/arch-mxc/hardware.h include/asm-arm/arch-mxc/io.h include/asm-arm/arch-mxc/irqs.h include/asm-arm/arch-mxc/memory.h include/asm-arm/arch-mxc/mx31.h include/asm-arm/arch-mxc/mxc.h include/asm-arm/arch-mxc/system.h include/asm-arm/arch-mxc/timex.h include/asm-arm/arch-mxc/uncompress.h include/asm-arm/arch-mxc/vmalloc.h include/linux/fsl_devices.h include/linux/ioprio.h kernel/lockdep_proc.c kernel/signal.c mm/hugetlb.c mm/readahead.c net/bluetooth/rfcomm/tty.c net/bridge/br_device.c net/core/dev.c net/ieee80211/softmac/ieee80211softmac_assoc.c net/ieee80211/softmac/ieee80211softmac_wx.c net/ipv4/netfilter/nf_conntrack_proto_icmp.c net/ipv4/tcp_input.c net/netfilter/nf_conntrack_proto_sctp.c
Diffstat (limited to 'Documentation/oops-tracing.txt')
-rw-r--r--Documentation/oops-tracing.txt16
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/oops-tracing.txt b/Documentation/oops-tracing.txt
index 7d5b60dea551..7f60dfe642ca 100644
--- a/Documentation/oops-tracing.txt
+++ b/Documentation/oops-tracing.txt
@@ -86,6 +86,20 @@ stuff are the values reported by the Oops - you can just cut-and-paste
and do a replace of spaces to "\x" - that's what I do, as I'm too lazy
to write a program to automate this all).
+Alternatively, you can use the shell script in scripts/decodecode.
+Its usage is: decodecode < oops.txt
+
+The hex bytes that follow "Code:" may (in some architectures) have a series
+of bytes that precede the current instruction pointer as well as bytes at and
+following the current instruction pointer. In some cases, one instruction
+byte or word is surrounded by <> or (), as in "<86>" or "(f00d)". These
+<> or () markings indicate the current instruction pointer. Example from
+i386, split into multiple lines for readability:
+
+Code: f9 0f 8d f9 00 00 00 8d 42 0c e8 dd 26 11 c7 a1 60 ea 2b f9 8b 50 08 a1
+64 ea 2b f9 8d 34 82 8b 1e 85 db 74 6d 8b 15 60 ea 2b f9 <8b> 43 04 39 42 54
+7e 04 40 89 42 54 8b 43 04 3b 05 00 f6 52 c0
+
Finally, if you want to see where the code comes from, you can do
cd /usr/src/linux
@@ -237,6 +251,8 @@ characters, each representing a particular tainted value.
7: 'U' if a user or user application specifically requested that the
Tainted flag be set, ' ' otherwise.
+ 8: 'D' if the kernel has died recently, i.e. there was an OOPS or BUG.
+
The primary reason for the 'Tainted: ' string is to tell kernel
debuggers if this is a clean kernel or if anything unusual has
occurred. Tainting is permanent: even if an offending module is