Date: Tue, 22 Jun 2021 13:49:06 -0400 From: mike tancsa <mike@sentex.net> To: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: possible releng13 deadlock ? Message-ID: <b89466ce-e651-c6db-8e60-cc3449060766@sentex.net>
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I was trying out a zfs send | recv on a new controller this morning using the latest RELENG_13 upto the last commit there (25302a721f69d34c72d8bd3e0c316ad12647e281) and experienced a hard lock on the system. The motherboard is just a desktop board, so no serial hooked up nor ipmi. However, reverting to a kernel from the 20th (stable/13-659f77766) seems to be OK. Note, this was one try deadlock so cant be sure if it was a fluke and the issue is from some time else. But I will try and repeat a few sends (approx 20min) with the working kernel and then try again with the latest kernel. Anyone else using the latest 13 stable and ZFS from today notice anything ? I am just sending a zfs dataset from one set of striped disks to another. On the plus side, its FAST! zpool iostat testmdt 1 capacity operations bandwidth pool alloc free read write read write ---------- ----- ----- ----- ----- ----- ----- testmdt 1.31T 1.41T 1 4.78K 6.62K 602M testmdt 1.31T 1.40T 0 6.51K 0 819M testmdt 1.31T 1.40T 0 6.52K 0 820M testmdt 1.32T 1.40T 0 6.52K 0 820M testmdt 1.32T 1.40T 0 6.51K 0 819M testmdt 1.32T 1.40T 0 8.22K 0 1.02G testmdt 1.32T 1.40T 0 4.98K 0 622M testmdt 1.32T 1.40T 0 8.58K 0 1.06G testmdt 1.32T 1.40T 0 9.18K 0 1.13G testmdt 1.32T 1.40T 0 1.44K 0 172M testmdt 1.32T 1.40T 0 1.19K 0 153M testmdt 1.32T 1.40T 0 5.21K 0 653M testmdt 1.32T 1.40T 0 4.09K 0 524M testmdt 1.32T 1.40T 0 8.72K 0 1.06G testmdt 1.32T 1.40T 0 2.51K 0 321M testmdt 1.32T 1.39T 0 10.5K 0 1.29G testmdt 1.32T 1.39T 0 6.42K 0 808Mhelp
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