Boot log: hp-x360-12b-ca0010nr-n4020-octopus
- Boot result: PASS
- Errors: 0
- Warnings: 3
- Kernel Warnings: 15
- Kernel Errors: 3
1 14:27:46.162001 Action timeout for lava-test-shell exceeds Job timeout
2 14:27:46.162312 Action timeout for lava-test-retry exceeds Job timeout
3 14:27:46.178509 lava-dispatcher, installed at version: 2023.01
4 14:27:46.178599 start: 0 validate
5 14:27:46.178718 Start time: 2023-04-20 14:27:46.178710+00:00 (UTC)
6 14:27:46.178843 Using caching service: 'http://localhost/cache/?uri=%s'
7 14:27:46.178970 Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fimages%2Frootfs%2Fbuildroot%2Fbuildroot-baseline%2F20230414.0%2Fx86%2Frootfs.cpio.gz exists
8 14:27:46.474395 Using caching service: 'http://localhost/cache/?uri=%s'
9 14:27:46.475204 Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.177-cip31-122-gfb6ca504156b4%2Fx86_64%2Fx86_64_defconfig%2Bx86-chromebook%2Fgcc-10%2Fkernel%2FbzImage exists
10 14:27:46.771572 Using caching service: 'http://localhost/cache/?uri=%s'
11 14:27:46.772470 Validating that http://localhost/cache/?uri=http%3A%2F%2Fstorage.kernelci.org%2Fcip-gitlab%2Fci-iwamatsu-linux-5.10.y-cip-rc%2Fv5.10.177-cip31-122-gfb6ca504156b4%2Fx86_64%2Fx86_64_defconfig%2Bx86-chromebook%2Fgcc-10%2Fmodules.tar.xz exists
12 14:27:47.074121 validate duration: 0.90
14 14:27:47.075407 start: 1 tftp-deploy (timeout 00:10:00) [common]
15 14:27:47.076276 start: 1.1 download-retry (timeout 00:10:00) [common]
16 14:27:47.076781 start: 1.1.1 http-download (timeout 00:10:00) [common]
17 14:27:47.077443 Not decompressing ramdisk as can be used compressed.
18 14:27:47.077918 downloading http://storage.kernelci.org/images/rootfs/buildroot/buildroot-baseline/20230414.0/x86/rootfs.cpio.gz
19 14:27:47.078291 saving as /var/lib/lava/dispatcher/tmp/10062560/tftp-deploy-kg03d4p0/ramdisk/rootfs.cpio.gz
20 14:27:47.078637 total size: 8429655 (8MB)
21 14:27:47.083904 progress 0% (0MB)
22 14:27:47.096756 progress 5% (0MB)
23 14:27:47.105131 progress 10% (0MB)
24 14:27:47.110790 progress 15% (1MB)
25 14:27:47.115404 progress 20% (1MB)
26 14:27:47.119425 progress 25% (2MB)
27 14:27:47.123081 progress 30% (2MB)
28 14:27:47.126257 progress 35% (2MB)
29 14:27:47.129077 progress 40% (3MB)
30 14:27:47.131904 progress 45% (3MB)
31 14:27:47.134623 progress 50% (4MB)
32 14:27:47.137212 progress 55% (4MB)
33 14:27:47.139566 progress 60% (4MB)
34 14:27:47.141848 progress 65% (5MB)
35 14:27:47.144111 progress 70% (5MB)
36 14:27:47.146076 progress 75% (6MB)
37 14:27:47.148348 progress 80% (6MB)
38 14:27:47.150473 progress 85% (6MB)
39 14:27:47.152653 progress 90% (7MB)
40 14:27:47.154780 progress 95% (7MB)
41 14:27:47.156949 progress 100% (8MB)
42 14:27:47.157083 8MB downloaded in 0.08s (102.48MB/s)
43 14:27:47.157232 end: 1.1.1 http-download (duration 00:00:00) [common]
45 14:27:47.157464 end: 1.1 download-retry (duration 00:00:00) [common]
46 14:27:47.157549 start: 1.2 download-retry (timeout 00:10:00) [common]
47 14:27:47.157641 start: 1.2.1 http-download (timeout 00:10:00) [common]
48 14:27:47.157772 downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.177-cip31-122-gfb6ca504156b4/x86_64/x86_64_defconfig+x86-chromebook/gcc-10/kernel/bzImage
49 14:27:47.157853 saving as /var/lib/lava/dispatcher/tmp/10062560/tftp-deploy-kg03d4p0/kernel/bzImage
50 14:27:47.157916 total size: 13400288 (12MB)
51 14:27:47.157977 No compression specified
52 14:27:47.159173 progress 0% (0MB)
53 14:27:47.162580 progress 5% (0MB)
54 14:27:47.165992 progress 10% (1MB)
55 14:27:47.169461 progress 15% (1MB)
56 14:27:47.172777 progress 20% (2MB)
57 14:27:47.176344 progress 25% (3MB)
58 14:27:47.179635 progress 30% (3MB)
59 14:27:47.183061 progress 35% (4MB)
60 14:27:47.186379 progress 40% (5MB)
61 14:27:47.189835 progress 45% (5MB)
62 14:27:47.193173 progress 50% (6MB)
63 14:27:47.196467 progress 55% (7MB)
64 14:27:47.199948 progress 60% (7MB)
65 14:27:47.203280 progress 65% (8MB)
66 14:27:47.206801 progress 70% (8MB)
67 14:27:47.210100 progress 75% (9MB)
68 14:27:47.213526 progress 80% (10MB)
69 14:27:47.216791 progress 85% (10MB)
70 14:27:47.220203 progress 90% (11MB)
71 14:27:47.223460 progress 95% (12MB)
72 14:27:47.226752 progress 100% (12MB)
73 14:27:47.226987 12MB downloaded in 0.07s (185.03MB/s)
74 14:27:47.227135 end: 1.2.1 http-download (duration 00:00:00) [common]
76 14:27:47.227363 end: 1.2 download-retry (duration 00:00:00) [common]
77 14:27:47.227448 start: 1.3 download-retry (timeout 00:10:00) [common]
78 14:27:47.227533 start: 1.3.1 http-download (timeout 00:10:00) [common]
79 14:27:47.227705 downloading http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.177-cip31-122-gfb6ca504156b4/x86_64/x86_64_defconfig+x86-chromebook/gcc-10/modules.tar.xz
80 14:27:47.227775 saving as /var/lib/lava/dispatcher/tmp/10062560/tftp-deploy-kg03d4p0/modules/modules.tar
81 14:27:47.227835 total size: 527588 (0MB)
82 14:27:47.227894 Using unxz to decompress xz
83 14:27:47.231751 progress 6% (0MB)
84 14:27:47.232127 progress 12% (0MB)
85 14:27:47.232358 progress 18% (0MB)
86 14:27:47.233670 progress 24% (0MB)
87 14:27:47.235588 progress 31% (0MB)
88 14:27:47.237892 progress 37% (0MB)
89 14:27:47.239969 progress 43% (0MB)
90 14:27:47.241702 progress 49% (0MB)
91 14:27:47.243760 progress 55% (0MB)
92 14:27:47.246158 progress 62% (0MB)
93 14:27:47.248156 progress 68% (0MB)
94 14:27:47.250159 progress 74% (0MB)
95 14:27:47.252148 progress 80% (0MB)
96 14:27:47.254039 progress 86% (0MB)
97 14:27:47.256041 progress 93% (0MB)
98 14:27:47.257955 progress 99% (0MB)
99 14:27:47.264580 0MB downloaded in 0.04s (13.70MB/s)
100 14:27:47.264847 end: 1.3.1 http-download (duration 00:00:00) [common]
102 14:27:47.265101 end: 1.3 download-retry (duration 00:00:00) [common]
103 14:27:47.265195 start: 1.4 prepare-tftp-overlay (timeout 00:10:00) [common]
104 14:27:47.265305 start: 1.4.1 extract-nfsrootfs (timeout 00:10:00) [common]
105 14:27:47.265424 end: 1.4.1 extract-nfsrootfs (duration 00:00:00) [common]
106 14:27:47.265507 start: 1.4.2 lava-overlay (timeout 00:10:00) [common]
107 14:27:47.265723 [common] Preparing overlay tarball in /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa
108 14:27:47.265852 makedir: /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin
109 14:27:47.265953 makedir: /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/tests
110 14:27:47.266049 makedir: /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/results
111 14:27:47.266163 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-add-keys
112 14:27:47.266303 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-add-sources
113 14:27:47.266427 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-background-process-start
114 14:27:47.266552 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-background-process-stop
115 14:27:47.266678 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-common-functions
116 14:27:47.266797 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-echo-ipv4
117 14:27:47.266918 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-install-packages
118 14:27:47.267035 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-installed-packages
119 14:27:47.267152 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-os-build
120 14:27:47.267276 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-probe-channel
121 14:27:47.267409 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-probe-ip
122 14:27:47.267527 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-target-ip
123 14:27:47.267704 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-target-mac
124 14:27:47.267826 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-target-storage
125 14:27:47.267947 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-test-case
126 14:27:47.268066 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-test-event
127 14:27:47.268183 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-test-feedback
128 14:27:47.268302 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-test-raise
129 14:27:47.268422 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-test-reference
130 14:27:47.268544 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-test-runner
131 14:27:47.268662 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-test-set
132 14:27:47.268781 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-test-shell
133 14:27:47.268902 Updating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-install-packages (oe)
134 14:27:47.269047 Updating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/bin/lava-installed-packages (oe)
135 14:27:47.269163 Creating /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/environment
136 14:27:47.269263 LAVA metadata
137 14:27:47.269366 - LAVA_JOB_ID=10062560
138 14:27:47.269490 - LAVA_DISPATCHER_IP=192.168.201.1
139 14:27:47.269661 start: 1.4.2.1 lava-vland-overlay (timeout 00:10:00) [common]
140 14:27:47.269729 skipped lava-vland-overlay
141 14:27:47.269801 end: 1.4.2.1 lava-vland-overlay (duration 00:00:00) [common]
142 14:27:47.269880 start: 1.4.2.2 lava-multinode-overlay (timeout 00:10:00) [common]
143 14:27:47.269940 skipped lava-multinode-overlay
144 14:27:47.270011 end: 1.4.2.2 lava-multinode-overlay (duration 00:00:00) [common]
145 14:27:47.270090 start: 1.4.2.3 test-definition (timeout 00:10:00) [common]
146 14:27:47.270164 Loading test definitions
147 14:27:47.270253 start: 1.4.2.3.1 git-repo-action (timeout 00:10:00) [common]
148 14:27:47.270335 Using /lava-10062560 at stage 0
149 14:27:47.270431 Fetching tests from https://github.com/kernelci/test-definitions
150 14:27:47.270511 Running '/usr/bin/git clone https://github.com/kernelci/test-definitions /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/0/tests/0_smc'
151 14:27:51.829497 Running '/usr/bin/git checkout kernelci.org
152 14:27:51.971418 Tests stored (tmp) in /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/0/tests/0_smc/automated/linux/spectre-meltdown-checker-test/spectre-meltdown-checker-test.yaml
153 14:27:51.972173 uuid=10062560_1.4.2.3.1 testdef=None
154 14:27:51.972427 end: 1.4.2.3.1 git-repo-action (duration 00:00:05) [common]
156 14:27:51.972688 start: 1.4.2.3.2 test-overlay (timeout 00:09:55) [common]
157 14:27:51.973363 end: 1.4.2.3.2 test-overlay (duration 00:00:00) [common]
159 14:27:51.973599 start: 1.4.2.3.3 test-install-overlay (timeout 00:09:55) [common]
160 14:27:51.974449 end: 1.4.2.3.3 test-install-overlay (duration 00:00:00) [common]
162 14:27:51.974684 start: 1.4.2.3.4 test-runscript-overlay (timeout 00:09:55) [common]
163 14:27:51.975490 runner path: /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/0/tests/0_smc test_uuid 10062560_1.4.2.3.1
164 14:27:51.975692 end: 1.4.2.3.4 test-runscript-overlay (duration 00:00:00) [common]
166 14:27:51.975904 Creating lava-test-runner.conf files
167 14:27:51.975970 Using lava-test-runner path: /var/lib/lava/dispatcher/tmp/10062560/lava-overlay-1_nim8fa/lava-10062560/0 for stage 0
168 14:27:51.976063 - 0_smc
169 14:27:51.976163 end: 1.4.2.3 test-definition (duration 00:00:05) [common]
170 14:27:51.976249 start: 1.4.2.4 compress-overlay (timeout 00:09:55) [common]
171 14:27:59.379116 end: 1.4.2.4 compress-overlay (duration 00:00:07) [common]
172 14:27:59.379319 start: 1.4.2.5 persistent-nfs-overlay (timeout 00:09:48) [common]
173 14:27:59.379461 end: 1.4.2.5 persistent-nfs-overlay (duration 00:00:00) [common]
174 14:27:59.379563 end: 1.4.2 lava-overlay (duration 00:00:12) [common]
175 14:27:59.379689 start: 1.4.3 extract-overlay-ramdisk (timeout 00:09:48) [common]
176 14:27:59.617435 end: 1.4.3 extract-overlay-ramdisk (duration 00:00:00) [common]
177 14:27:59.617823 start: 1.4.4 extract-modules (timeout 00:09:47) [common]
178 14:27:59.617939 extracting modules file /var/lib/lava/dispatcher/tmp/10062560/tftp-deploy-kg03d4p0/modules/modules.tar to /var/lib/lava/dispatcher/tmp/10062560/extract-overlay-ramdisk-ghrdyn1i/ramdisk
179 14:27:59.633512 end: 1.4.4 extract-modules (duration 00:00:00) [common]
180 14:27:59.633637 start: 1.4.5 apply-overlay-tftp (timeout 00:09:47) [common]
181 14:27:59.633727 [common] Applying overlay /var/lib/lava/dispatcher/tmp/10062560/compress-overlay-1yzj31m4/overlay-1.4.2.4.tar.gz to ramdisk
182 14:27:59.633801 [common] Applying overlay /var/lib/lava/dispatcher/tmp/10062560/compress-overlay-1yzj31m4/overlay-1.4.2.4.tar.gz to directory /var/lib/lava/dispatcher/tmp/10062560/extract-overlay-ramdisk-ghrdyn1i/ramdisk
183 14:28:00.472273 end: 1.4.5 apply-overlay-tftp (duration 00:00:01) [common]
184 14:28:00.472449 start: 1.4.6 configure-preseed-file (timeout 00:09:47) [common]
185 14:28:00.472548 end: 1.4.6 configure-preseed-file (duration 00:00:00) [common]
186 14:28:00.472638 start: 1.4.7 compress-ramdisk (timeout 00:09:47) [common]
187 14:28:00.472720 Building ramdisk /var/lib/lava/dispatcher/tmp/10062560/extract-overlay-ramdisk-ghrdyn1i/ramdisk.cpio containing /var/lib/lava/dispatcher/tmp/10062560/extract-overlay-ramdisk-ghrdyn1i/ramdisk
188 14:28:01.063311 >> 235850 blocks
189 14:28:04.968367 rename /var/lib/lava/dispatcher/tmp/10062560/extract-overlay-ramdisk-ghrdyn1i/ramdisk.cpio.gz to /var/lib/lava/dispatcher/tmp/10062560/tftp-deploy-kg03d4p0/ramdisk/ramdisk.cpio.gz
190 14:28:04.968791 end: 1.4.7 compress-ramdisk (duration 00:00:04) [common]
191 14:28:04.968917 start: 1.4.8 prepare-kernel (timeout 00:09:42) [common]
192 14:28:04.969019 start: 1.4.8.1 prepare-fit (timeout 00:09:42) [common]
193 14:28:04.969150 No mkimage arch provided, not using FIT.
194 14:28:04.969251 end: 1.4.8.1 prepare-fit (duration 00:00:00) [common]
195 14:28:04.969335 end: 1.4.8 prepare-kernel (duration 00:00:00) [common]
196 14:28:04.969437 end: 1.4 prepare-tftp-overlay (duration 00:00:18) [common]
197 14:28:04.969527 start: 1.5 lxc-create-udev-rule-action (timeout 00:09:42) [common]
198 14:28:04.969611 No LXC device requested
199 14:28:04.969691 end: 1.5 lxc-create-udev-rule-action (duration 00:00:00) [common]
200 14:28:04.969781 start: 1.6 deploy-device-env (timeout 00:09:42) [common]
201 14:28:04.969861 end: 1.6 deploy-device-env (duration 00:00:00) [common]
202 14:28:04.969934 Checking files for TFTP limit of 4294967296 bytes.
203 14:28:04.970320 end: 1 tftp-deploy (duration 00:00:18) [common]
204 14:28:04.970421 start: 2 depthcharge-action (timeout 00:05:00) [common]
205 14:28:04.970510 start: 2.1 depthcharge-overlay (timeout 00:05:00) [common]
206 14:28:04.970622 substitutions:
207 14:28:04.970688 - {DTB}: None
208 14:28:04.970747 - {INITRD}: 10062560/tftp-deploy-kg03d4p0/ramdisk/ramdisk.cpio.gz
209 14:28:04.970804 - {KERNEL}: 10062560/tftp-deploy-kg03d4p0/kernel/bzImage
210 14:28:04.970860 - {LAVA_MAC}: None
211 14:28:04.970915 - {PRESEED_CONFIG}: None
212 14:28:04.970968 - {PRESEED_LOCAL}: None
213 14:28:04.971022 - {RAMDISK}: 10062560/tftp-deploy-kg03d4p0/ramdisk/ramdisk.cpio.gz
214 14:28:04.971080 - {ROOT_PART}: None
215 14:28:04.971149 - {ROOT}: None
216 14:28:04.971201 - {SERVER_IP}: 192.168.201.1
217 14:28:04.971254 - {TEE}: None
218 14:28:04.971306 Parsed boot commands:
219 14:28:04.971359 - tftpboot 192.168.201.1 {DEPTHCHARGE_KERNEL} {CMDLINE} {DEPTHCHARGE_RAMDISK}
220 14:28:04.971525 Parsed boot commands: tftpboot 192.168.201.1 10062560/tftp-deploy-kg03d4p0/kernel/bzImage 10062560/tftp-deploy-kg03d4p0/kernel/cmdline 10062560/tftp-deploy-kg03d4p0/ramdisk/ramdisk.cpio.gz
221 14:28:04.971636 end: 2.1 depthcharge-overlay (duration 00:00:00) [common]
222 14:28:04.971742 start: 2.2 depthcharge-retry (timeout 00:05:00) [common]
223 14:28:04.971834 start: 2.2.1 reset-connection (timeout 00:05:00) [common]
224 14:28:04.971916 start: 2.2.1.1 disconnect-device (timeout 00:05:00) [common]
225 14:28:04.971983 Not connected, no need to disconnect.
226 14:28:04.972055 end: 2.2.1.1 disconnect-device (duration 00:00:00) [common]
227 14:28:04.972138 start: 2.2.1.2 connect-device (timeout 00:05:00) [common]
228 14:28:04.972204 [common] connect-device Connecting to device using '/usr/bin/console -k -f -M localhost hp-x360-12b-ca0010nr-n4020-octopus-cbg-1'
229 14:28:04.975612 Setting prompt string to ['lava-test: # ']
230 14:28:04.975931 end: 2.2.1.2 connect-device (duration 00:00:00) [common]
231 14:28:04.976037 end: 2.2.1 reset-connection (duration 00:00:00) [common]
232 14:28:04.976131 start: 2.2.2 reset-device (timeout 00:05:00) [common]
233 14:28:04.976216 start: 2.2.2.1 pdu-reboot (timeout 00:05:00) [common]
234 14:28:04.976406 Calling: 'nice' 'pduclient' '--daemon=localhost' '--hostname=hp-x360-12b-ca0010nr-n4020-octopus-cbg-1' '--port=1' '--command=reboot'
235 14:28:10.131120 >> Command sent successfully.
236 14:28:10.142701 Returned 0 in 5 seconds
237 14:28:10.244134 end: 2.2.2.1 pdu-reboot (duration 00:00:05) [common]
239 14:28:10.245777 end: 2.2.2 reset-device (duration 00:00:05) [common]
240 14:28:10.246406 start: 2.2.3 depthcharge-start (timeout 00:04:55) [common]
241 14:28:10.247012 Setting prompt string to 'Starting depthcharge on octopus...'
242 14:28:10.247417 Changing prompt to 'Starting depthcharge on octopus...'
243 14:28:10.247952 depthcharge-start: Wait for prompt Starting depthcharge on octopus... (timeout 00:05:00)
244 14:28:10.249238 [Enter `^Ec?' for help]
245 14:28:10.908830