Date: Sun, 15 Nov 2020 11:54:15 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 251154] mlx4en sometimes panics on ACPI S3 suspend/resume Message-ID: <bug-251154-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D251154 Bug ID: 251154 Summary: mlx4en sometimes panics on ACPI S3 suspend/resume Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: greg@unrelenting.technology mlx4 doesn't currently have proper suspend/resume support, but it often com= es back with a successful reset after resume. But sometimes failures happen, e.g. when it tries to reset right before the actual suspend happens, and reset fails: [328] mlx4_core0: PCI device did not come back after reset, aborting [328] mlx4_core0: Fail to reset HCA [328] panic: BUG ON err !=3D 0 failed at [..]/sys/dev/mlx4/mlx4_core/mlx4_catas.c:187 [328] cpuid =3D 12 [328] time =3D 1605438800 [328] KDB: stack backtrace: [328] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00e97a6810 [328] vpanic() at vpanic+0x182/frame 0xfffffe00e97a6860 [328] panic() at panic+0x43/frame 0xfffffe00e97a68c0 [328] mlx4_enter_error_state() at mlx4_enter_error_state+0x482/frame 0xfffffe00e97a6900 [328] __mlx4_cmd() at __mlx4_cmd+0x60e/frame 0xfffffe00e97a6980 [328] mlx4_en_DUMP_ETH_STATS() at mlx4_en_DUMP_ETH_STATS+0x7d/frame 0xfffffe00e97a6a40 [328] mlx4_en_do_get_stats() at mlx4_en_do_get_stats+0x8f/frame 0xfffffe00e97a6aa0 [328] linux_work_fn() at linux_work_fn+0xe1/frame 0xfffffe00e97a6b00 [328] taskqueue_run_locked() at taskqueue_run_locked+0x181/frame 0xfffffe00e97a6b80 [328] taskqueue_thread_loop() at taskqueue_thread_loop+0xac/frame 0xfffffe00e97a6bb0 [328] fork_exit() at fork_exit+0x7d/frame 0xfffffe00e97a6bf0 [328] fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00e97a6bf0 --=20 You are receiving this mail because: You are the assignee for the bug.=
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