Date: Fri, 07 Aug 2026 02:03:03 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 265714] igc(4) drops link under high traffic Message-ID: <bug-265714-7501-HkHFoPAs0z@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-265714-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265714 --- Comment #67 from Kevin Bowling <kbowling@freebsd.org> --- (In reply to Tomasz "CeDeROM" CEDRO from comment #66) I'm suspicious of vbox here, rx q0 is stalled and there isn't any strong hw lead left. Does it happen without vbox? /bin/sh <<'EOF' read4() { reg=$1 name=$2 idx=$((reg / 4)) val=$(pciconf -D igc0 0x10 "$idx" 1 | hexdump -v -e '1/4 "%08x"') printf '%-5s [0x%04x] = 0x%s\n' "$name" "$reg" "$val" } read4 $((0x1514)) GPIE read4 $((0x1524)) EIMS read4 $((0x152c)) EIAC read4 $((0x1530)) EIAM EOF upload these: procstat -kk 0 > /tmp/igc-stall.kstack procstat -t 0 > /tmp/igc-stall.threads vmstat -i | grep igc sleep 2 vmstat -i | grep igc -- You are receiving this mail because: You are the assignee for the bug.home | help
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