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Date: Thu, 27 Mar 2014 22:01:40 +0800
From: Fengguang Wu <fengguang.wu@...el.com>
To: "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: [mtd/sbc_gxx] kernel BUG at include/linux/mtd/map.h:148!
FYI, here is a very old warning, too old to be bisected.
[ 5.282127] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA
[ 5.286079] SBC-GXx flash: IO:0x258-0x259 MEM:0xdc000-0xdffff
[ 5.288723] ------------[ cut here ]------------
[ 5.289649] kernel BUG at include/linux/mtd/map.h:148!
[ 5.289649] invalid opcode: 0000 [#1] PREEMPT DEBUG_PAGEALLOC
[ 5.289649] CPU: 0 PID: 1 Comm: swapper Not tainted 3.14.0-rc8-wl-03045-gdf16ea4 #6
[ 5.289649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 5.289649] task: d1c48000 ti: d1c36000 task.ti: d1c36000
[ 5.289649] EIP: 0060:[<c17982d8>] EFLAGS: 00010296 CPU: 0
[ 5.289649] EIP is at mtd_do_chip_probe+0x15/0x17
[ 5.289649] EAX: 00000000 EBX: c242bf28 ECX: 00000000 EDX: d1c37e88
[ 5.289649] ESI: c2275f71 EDI: d1c37ec4 EBP: d1c37ec8 ESP: d1c37e88
[ 5.289649] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[ 5.289649] CR0: 8005003b CR2: 00000000 CR3: 02556000 CR4: 000006f0
[ 5.289649] Stack:
[ 5.289649] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 5.289649] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 c242c500
[ 5.289649] d1c37ed0 c1794d3e d1c37ee4 c1794cf5 00000000 c24f0561 00000564 d1c37f04
[ 5.289649] Call Trace:
[ 5.289649] [<c1794d3e>] cfi_probe+0xd/0xf
[ 5.289649] [<c1794cf5>] do_map_probe+0x50/0x66
[ 5.289649] [<c24f0561>] ? init_ck804xrom+0x37d/0x37d
[ 5.289649] [<c24f0649>] init_sbc_gxx+0xe8/0x123
[ 5.289649] [<c24b8b54>] do_one_initcall+0x80/0x107
[ 5.289649] [<c13e5049>] ? strlen+0xf/0x19
[ 5.289649] [<c24b8500>] ? repair_env_string+0xa/0x51
[ 5.289649] [<c1049aef>] ? parse_args+0x1bd/0x308
[ 5.289649] [<c1056a24>] ? __wake_up+0x3a/0x42
[ 5.289649] [<c24b8cd0>] kernel_init_freeable+0xf5/0x18c
[ 5.289649] [<c24b84f6>] ? do_early_param+0x78/0x78
[ 5.289649] [<c1e80009>] kernel_init+0xb/0xc2
[ 5.289649] [<c1051d85>] ? schedule_tail+0x12/0x3a
[ 5.289649] [<c1e93e3b>] ret_from_kernel_thread+0x1b/0x30
[ 5.289649] [<c1e7fffe>] ? rest_init+0x6e/0x6e
[ 5.289649] Code: e9 1e fd ff ff c7 04 24 44 8e 30 c2 e8 df df 6e 00 e9 28 fb ff ff 55 31 c0 89 e5 b9 0f 00 00 00 8d 55 c0 57 89 d7 83 ec 3c f3 ab <0f> 0b 55 ba 90 c1 42 c2 89 e5 e8 dc ff ff ff 5d c3 55 89 e5 57
[ 5.289649] EIP: [<c17982d8>] mtd_do_chip_probe+0x15/0x17 SS:ESP 0068:d1c37e88
[ 5.425765] ---[ end trace ad16f43410cd0373 ]---
[ 5.428287] swapper (1) used greatest stack depth: 5800 bytes left
git bisect bad df16ea4de143a63d0f598003bde671cc277390e0 # 16:57 0- 25 0day head guard for 'devel-hourly-2014032612'
git bisect bad b098d6726bbfb94c06d6e1097466187afddae61f # 16:58 0- 20 Linux 3.14-rc8
git bisect bad d8ec26d7f8287f5788a494f56e8814210f0e64be # 16:58 0- 20 Linux 3.13
git bisect bad 5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 # 16:58 0- 20 Linux 3.12
git bisect bad 6e4664525b1db28f8c4e1130957f70a94c19213e # 16:58 0- 20 Linux 3.11
git bisect bad 8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 # 16:58 0- 20 Linux 3.10
git bisect bad c1be5a5b1b355d40e6cf79cc979eb66dafa24ad1 # 16:58 0- 20 Linux 3.9
git bisect bad 19f949f52599ba7c3f67a5897ac6be14bfcb1200 # 16:58 0- 20 Linux 3.8
git bisect bad 29594404d7fe73cd80eaa4ee8c43dcc53970c60e # 16:59 0- 20 Linux 3.7
git bisect bad a0d271cbfed1dd50278c6b06bead3d00ba0a88f9 # 16:59 0- 20 Linux 3.6
git bisect bad 28a33cbc24e4256c143dce96c7d93bf423229f92 # 16:59 0- 20 Linux 3.5
git bisect bad 76e10d158efb6d4516018846f60c2ab5501900bc # 16:59 0- 20 Linux 3.4
git bisect bad c16fa4f2ad19908a47c63d8fa436a1178438c7e7 # 16:59 0- 40 Linux 3.3
git bisect bad 805a6af8dba5dfdd35ec35dc52ec0122400b2610 # 16:59 0- 20 Linux 3.2
git bisect bad c3b92c8787367a8bb53d57d9789b558f1295cc96 # 16:59 0- 20 Linux 3.1
git bisect bad 02f8c6aee8df3cdc935e9bdd4f2d020306035dbe # 16:59 0- 20 Linux 3.0
This script may reproduce the error.
-----------------------------------------------------------------------------
#!/bin/bash
kernel=$1
initrd=quantal-core-i386.cgz
wget --no-clobber https://github.com/fengguang/reproduce-kernel-bug/blob/master/initrd/$initrd
kvm=(
qemu-system-x86_64 -cpu kvm64 -enable-kvm
-kernel $kernel
-initrd $initrd
-smp 2
-m 256M
-net nic,vlan=0,macaddr=00:00:00:00:00:00,model=virtio
-net user,vlan=0
-net nic,vlan=1,model=e1000
-net user,vlan=1
-boot order=nc
-no-reboot
-watchdog i6300esb
-serial stdio
-display none
-monitor null
)
append=(
debug
sched_debug
apic=debug
ignore_loglevel
sysrq_always_enabled
panic=10
prompt_ramdisk=0
earlyprintk=ttyS0,115200
console=ttyS0,115200
console=tty0
vga=normal
root=/dev/ram0
rw
)
"${kvm[@]}" --append "${append[*]}"
-----------------------------------------------------------------------------
Thanks,
Fengguang
Download attachment "i386-randconfig-c0-03261337-df16ea4de143a63d0f598003bde671cc277390e0-kernel-BUG-at-include-linux-mtd-map-h-31369.log" of type "application/octet-stream" (105031 bytes)
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