105bef466a
Sanitized research log, build/reproducibility docs, DTS, kernel configs, patches, initramfs sources, bootchain migration plans and test logs. B5 direct boot PASS; B6 modem lifecycle in progress. No dumps, NV/EFS, vendor firmware or device identifiers included.
43 lines
3.4 KiB
Bash
43 lines
3.4 KiB
Bash
#!/bin/sh
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# B4b1: BAM-DMUX observation. The only state-changing QMI command allowed is the B4a one
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# (--dms-set-operating-mode=online), and only if the mode is not already online.
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# No WDA/WDS, no bind, no bearer, no IP address. One wwan0 up/down cycle (mux OPEN/CLOSE only).
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D=/dev/wwan0qmi0; Q="qmicli -p -d $D"; O=/tmp/b4b1
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t() { cut -d' ' -f1 /proc/uptime; }
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g() { echo "### $(t) $*"; timeout 30 $Q "$@" 2>&1; echo "### rc=$?"; }
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nv() { for want in modemst1 modemst2 fsg fsc persist; do for p in /sys/class/block/mmcblk0p*; do
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[ "$(sed -n 's/^PARTNAME=//p' $p/uevent)" = "$want" ] && echo "$want $(sha256sum /dev/$(basename $p) | cut -d' ' -f1)"; done; done; }
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B=$(ls -d /sys/bus/platform/devices/*bam-dmux* 2>/dev/null | head -1)
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pm() { echo "### $(t) PM dev=$B drv=$(basename $(readlink $B/driver) 2>/dev/null) status=$(cat $B/power/runtime_status) control=$(cat $B/power/control) autosuspend_ms=$(cat $B/power/autosuspend_delay_ms) active_ms=$(cat $B/power/runtime_active_time) suspended_ms=$(cat $B/power/runtime_suspended_time) usage=$(cat $B/power/runtime_usage 2>/dev/null)"; }
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nets() { echo "### $(t) NET"; for nd in /sys/class/net/*; do echo "$(basename $nd) flags=$(cat $nd/flags) oper=$(cat $nd/operstate) type=$(cat $nd/type) mtu=$(cat $nd/mtu)"; done; ip link 2>&1; }
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dm() { echo "### $(t) DMESG bam/wwan/resume/remoteproc"; dmesg | grep -iE "bam|wwan|resume|remoteproc|q6v5|dmux|Oops|panic|fatal" | tail -30; }
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mkdir -p $O
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nv > $O/nv-before.txt; cat /sys/block/mmcblk0/stat > $O/stat-before.txt
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{ g --dms-get-operating-mode; } > $O/mode-initial.txt
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if ! grep -q "Mode: 'online'" $O/mode-initial.txt; then
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{ echo "### $(t) SET --dms-set-operating-mode=online"; timeout 30 $Q --dms-set-operating-mode=online 2>&1; echo "### rc=$?"; } > $O/set.txt
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grep -q "^### rc=0" $O/set.txt || { echo B4B1-STOPPED-SET; exit 1; }
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else echo "already online, no SET" > $O/set.txt; fi
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# wait for automatic registration (GET only, <=90 s)
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: > $O/reg.txt; for i in $(seq 1 30); do g --nas-get-serving-system >> $O/reg.txt; tail -20 $O/reg.txt | grep -q "Registration state: 'registered'" && break; sleep 3; done
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# BAM-DMUX observation ~5 min (PM/net/dmesg every 30 s, QMI GET every 60 s)
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: > $O/obs.txt; t0=$(cut -d. -f1 /proc/uptime); n=0
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while [ $(( $(cut -d. -f1 /proc/uptime) - t0 )) -lt 300 ]; do
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{ pm; nets; } >> $O/obs.txt
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[ $((n % 2)) = 0 ] && { g --dms-get-operating-mode; g --nas-get-serving-system; g --nas-get-signal-info; cat /sys/class/remoteproc/remoteproc0/state; } >> $O/obs.txt
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n=$((n+1)); sleep 30
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done
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dm > $O/dmesg-pre-updown.txt
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# single wwan0 up/down cycle (no IP, no bearer)
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{ pm; echo "### $(t) ip link show wwan0"; ip link show wwan0 2>&1
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echo "### $(t) ip link set wwan0 up"; ip link set wwan0 up 2>&1; echo "rc=$?"; sleep 2; pm; ip link show wwan0 2>&1
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sleep 10; pm
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echo "### $(t) ip link set wwan0 down"; ip link set wwan0 down 2>&1; echo "rc=$?"; sleep 2; pm; ip link show wwan0 2>&1
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sleep 30; pm; } > $O/updown.txt 2>&1
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dm > $O/dmesg-post-updown.txt
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# QMI regression (GET only)
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{ g --dms-get-operating-mode; g --uim-get-card-status; g --nas-get-serving-system; g --nas-get-signal-info; cat /sys/class/remoteproc/remoteproc0/state; } > $O/qmi-final.txt
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nv > $O/nv-after.txt; cat /sys/block/mmcblk0/stat > $O/stat-after.txt
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cp /tmp/rmtfs.log $O/rmtfs.log; dmesg > $O/dmesg-full.txt
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cmp -s $O/nv-before.txt $O/nv-after.txt && echo "NV BEFORE==AFTER" > $O/nv-result.txt || echo "NV DIFFERENT" > $O/nv-result.txt
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tar -C /tmp -cf /tmp/b4b1.tar b4b1; echo B4B1-DONE
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