Date: Thu, 26 Sep 2024 17:14:06 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 281560] gve (4) uma deadlock during high tcp throughput Message-ID: <bug-281560-7501-OFwm0uRoPv@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-281560-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-281560-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D281560 --- Comment #9 from shailend@google.com --- (In reply to Mark Johnston from comment #7) Also the trace for the uma zone lock holding iperf thread: ``` db> trace 100719 Tracing pid 857 tid 100719 td 0xfffff800b87ca000 sched_switch() at sched_switch+0x5d2/frame 0xfffffe01a4e8c720 mi_switch() at mi_switch+0x171/frame 0xfffffe01a4e8c740 ipi_bitmap_handler() at ipi_bitmap_handler+0x86/frame 0xfffffe01a4e8c770 Xipi_intr_bitmap_handler() at Xipi_intr_bitmap_handler+0xb3/frame 0xfffffe01a4e8c770 --- interrupt, rip =3D 0xffffffff80ed8bed, rsp =3D 0xfffffe01a4e8c840, rbp = =3D 0xfffffe01a4e8c870 --- zone_fetch_bucket() at zone_fetch_bucket+0x8d/frame 0xfffffe01a4e8c870 cache_alloc() at cache_alloc+0x261/frame 0xfffffe01a4e8c8d0 cache_alloc_retry() at cache_alloc_retry+0x23/frame 0xfffffe01a4e8c910 tcp_m_copym() at tcp_m_copym+0x227/frame 0xfffffe01a4e8c9b0 tcp_default_output() at tcp_default_output+0x146c/frame 0xfffffe01a4e8cb80 tcp_usr_send() at tcp_usr_send+0x5a2/frame 0xfffffe01a4e8cc30 sosend_generic() at sosend_generic+0x5fe/frame 0xfffffe01a4e8cce0 sousrsend() at sousrsend+0x79/frame 0xfffffe01a4e8cd40 dofilewrite() at dofilewrite+0x7f/frame 0xfffffe01a4e8cd90 sys_write() at sys_write+0xb7/frame 0xfffffe01a4e8ce00 amd64_syscall() at amd64_syscall+0x147/frame 0xfffffe01a4e8cf30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe01a4e8cf30 ``` --=20 You are receiving this mail because: You are the assignee for the bug.=
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