#20949: writing to sdcard on mt7621 causes kernel oops
------------------------------------+--------------------------------
Reporter: anonymous | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version: Chaos Calmer 15.05
Keywords: sdio mmc mt7621 ramips |
------------------------------------+--------------------------------
Running the build from
http://downloads.openwrt.org/chaos_calmer/15.05/ramips/mt7621/
writing to sdcard fails:
{{{
Fri Nov 20 12:46:47 2015 kern.alert kernel: [ 593.000000] CPU 0 Unable to
handle kernel paging request at virtual address 00000000, epc 8fbd2aec, ra
8fbd2ac0
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] Oops[#1]:
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] CPU: 0 PID: 343
Comm: mmcqd/0 Tainted: G W 3.18.20 #1
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] task: 8f045a90
ti: 8f9a4000 task.ti: 8f9a4000
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] $ 0 : 00000000
00000000 00000080 80399fb8
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] $ 4 : 80399fc8
8f1cf908 0000009e ffff00fe
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] $ 8 : 8f9a5fe0
00009c00 00000000 00000000
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] $12 : 0000008a
7feec230 00000000 7feec1b0
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] $16 : 8f1cf000
8f1cf8f8 be130000 be130000
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] $20 : 00000000
00001000 8f1cf240 00000000
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] $24 : 00000000
8004cecc
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] $28 : 8f9a4000
8f9a5c20 8f1e0120 8fbd2ac0
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] Hi : 0000008a
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] Lo : 10f55380
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] epc : 8fbd2aec
0x8fbd2aec [mtk_sd@8fbd0000+0x4810]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] Tainted: G W
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] ra : 8fbd2ac0
0x8fbd2ac0 [mtk_sd@8fbd0000+0x4810]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] Status: 11009c03
KERNEL EXL IE
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] Cause : 00800008
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] BadVA : 00000000
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] PrId : 0001992f
(MIPS 1004Kc)
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] Modules linked
in: qcserial pppoe ppp_async option l2tp_ppp iptable_nat ip6table_nat
cdc_mbim usb_wwan usb_serial_simple sierra_net sierra rndis_host qmi_wwan
pppox ppp_generic nf_nat_ipv6 nf_nat_ipv4 nf_conntrack_ipv6
nf_conntrack_ipv4 ipt_REJECT ipt_MASQUERADE huawei_cdc_ncm cdc_ncm
cdc_ether xt_time xt_tcpudp xt_state xt_recent xt_nat xt_multiport xt_mark
xt_mac xt_limit xt_id xt_helper xt_conntrack xt_connmark xt_connlimit
xt_connbytes xt_commenFri Nov 20 12:46:47 2015 kern.warn kernel: [
593.030000] Process mmcqd/0 (pid: 343, threadinfo=8f9a4000, task=8f045a90,
tls=00000000)
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] Stack : 80330000
8f987a70 8148cf80 80047e1c 00000000 00000000 00000010 00000000
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] 8148cf80 8f1d1894
00000001 8148041c 00000003 00000000 00000000 ffffffff
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] 00000000 80054968
00000001 00000000 0001d000 00000025 0000736d 8f1cf908
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] 8f1cf000 8f1cf834
8f1ec270 8f9a5e00 8f1cf800 00000000 8f1cf830 8f270000
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] 245d0001 8fbd2ea8
00001000 8f1cf834 00000001 00000001 00000003 8f9a5d08
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] ...
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] Call
Trace:[<80047e1c>] 0x80047e1c
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<80054968>]
0x80054968
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8fbd2ea8>]
0x8fbd2ea8 [mtk_sd@8fbd0000+0x4810]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<80054434>]
0x80054434
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8014da74>]
0x8014da74
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8005448c>]
0x8005448c
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8014da74>]
0x8014da74
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8f18425c>]
0x8f18425c [ext4@8f180000+0x4ad60]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<800eb938>]
0x800eb938
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8014da34>]
0x8014da34
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8f261c68>]
0x8f261c68 [mmc_core@8f260000+0x10a90]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8fb98ef0>]
0x8fb98ef0 [mmc_block@8fb98000+0x5310]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8015381c>]
0x8015381c
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8fb99d98>]
0x8fb99d98 [mmc_block@8fb98000+0x5310]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8f26074c>]
0x8f26074c [mmc_core@8f260000+0x10a90]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<80047eb8>]
0x80047eb8
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8fb9a73c>]
0x8fb9a73c [mmc_block@8fb98000+0x5310]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8000bae0>]
0x8000bae0
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<800541c4>]
0x800541c4
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<80040318>]
0x80040318
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8fb9b738>]
0x8fb9b738 [mmc_block@8fb98000+0x5310]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<8fb9b660>]
0x8fb9b660 [mmc_block@8fb98000+0x5310]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<800403f0>]
0x800403f0
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<80040318>]
0x80040318
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] [<80005878>]
0x80005878
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000]
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.030000] Code: 14400009
8fa5005c 26820080 <8e830000> 26940004 ae430018 1682fffc 00000000 26b5ff80
Fri Nov 20 12:46:47 2015 kern.warn kernel: [ 593.810000] ---[ end trace
6fa0c1216b20d508 ]---
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/20949>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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