Date: Wed, 14 Jan 2026 21:16:46 +0200 From: Nikos Vassiliadis <nvass@gmx.com> To: Sulev-Madis Silber <freebsd-stable-freebsd-org730@ketas.si.pri.ee>, stable@freebsd.org, Ronald Klop <ronald-lists@klop.ws> Subject: Re: weird swap device name Message-ID: <b4f655ae-0347-46dd-b8a8-e86ab96095ef@gmx.com> In-Reply-To: <1DC6C868-49D9-44A0-99C9-36EFCFF4D2AC@ketas.si.pri.ee> References: <bd25a960-91ca-43d2-89b7-eab5ca324005@gmx.com> <1DC6C868-49D9-44A0-99C9-36EFCFF4D2AC@ketas.si.pri.ee>
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On 1/14/26 18:42, Sulev-Madis Silber wrote: > i have seen this on 13.* once. or similar thing. i attributed it to some kind of corruption This is on 14. I thought of corruption too. > > there, i had swap device with size i didn't add, but size was as if size of some other partition on some other device > > this 3rd nonfunctional device was seemingly never used nor did i experience any visible data corruption anywhere. using zfs > > problem seemed to appear after some sata devices went off bus and quickly reappeared > > i don't know how to test this. seems like this needs fuzzing but don't know if vm would be enough > > back then, everybody said that kernel doesn't allow it. yet it somehow did > > i think i even have some swapinfo outputs saved. which i was told to be impossible. "never seen anything like this" > > maybe this time this could be fixed? I rebooted because I thought better safe than sorry. The system had no available storage to swap on. And before this "device" there was another partition showed by swapinfo. That partition was part of a zpool, not really a device available to swap on. After exporting and importing that pool, that weird named appeared. > > > > On January 14, 2026 12:47:29 PM GMT+02:00, Nikos Vassiliadis <nvass@gmx.com> wrote: >> Hi, >> >> Just noticed that swapinfo reports this: >> >> root@aurora:~ # swapinfo >> Device 1K-blocks Used Avail Capacity >> /dev/#C:0x101 10485760 0 10485760 0% >> root@aurora:~ # >> >> I am not sure what happened. I might have added some temporary >> swap at some point. It cannot be removed. Any thoughts? >> >> >> >home | help
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