Date: Sun, 7 Nov 2021 10:35:07 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: Chris Ross <cross+freebsd@distal.com>, freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: ZFS operations hanging, but no visible errors? Message-ID: <de784091-c465-2931-c526-bc6efe7b88be@FreeBSD.org> In-Reply-To: <86999084-7007-4F08-A4C4-4A835A7E1C78@distal.com> References: <B28E52F4-F475-4CF6-BE0C-F5C803AD5757@distal.com> <20211105173935.7aa53269@fabiankeil.de> <86999084-7007-4F08-A4C4-4A835A7E1C78@distal.com>
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On 05/11/2021 18:59, Chris Ross wrote: > Running prostate -kk on the rsync that was hung, then killed, then SIGKILL’d shows: > > procstat -kk 35220 > PID TID COMM TDNAME KSTACK > 35220 102499 rsync - mi_switch+0xc1 _sleep+0x1cb vm_wait_doms+0xe2 vm_wait_domain+0x51 vm_domain_alloc_fail+0x86 vm_page_alloc_domain_after+0x7e uma_small_alloc+0x58 keg_alloc_slab+0xba zone_import+0xee zone_alloc_item+0x6f abd_alloc_chunks+0x61 abd_alloc+0x102 arc_hdr_alloc_abd+0xb0 arc_hdr_alloc+0x11e arc_read+0x4f4 dbuf_issue_final_prefetch+0x108 dbuf_prefetch_impl+0x3d0 dmu_zfetch+0x558 Looks like the system is out of memory. It seems that you already established that. -- Andriy Gapon
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