Date: Sat, 1 Oct 2016 18:02:14 -0400 From: Anton Yuzhaninov <citrin@citrin.ru> To: Konstantin Belousov <kostikbel@gmail.com> Cc: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org> Subject: Re: UFS: unaligned read from GELI with 8k sectorsize Message-ID: <999638f9-3fee-82e3-d67f-cffef53b74e8@citrin.ru> In-Reply-To: <20161001211025.GD38409@kib.kiev.ua> References: <f84b069b-aeee-ff3c-d4f9-e2fe3caaddb1@citrin.ru> <20161001114536.GX38409@kib.kiev.ua> <20161001115439.GY38409@kib.kiev.ua> <68a8ed6d-e302-799c-3d2c-1d85c48d07bf@citrin.ru> <20161001211025.GD38409@kib.kiev.ua>
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On 2016-10-01 17:10, Konstantin Belousov wrote: > What happens if you boot, mount your USB drive with 8k sectors, and try > to execute some binary from it ? E.g., try to execute the init. I do > not care about app errors (most likely it should complain about uid != 0 > or pid != 1), but rather want to know whether the image is activated or not. I booted from a USB stick with patched kernel and attached geli with 8k sector. It seems to be the image is not activated: root@:~ # /mnt/ssdroot/sbin/ping load: 0.16 cmd: csh 714 [pgrbwt] 11.46r 0.00u 0.00s 0% 3720k root@:~ # procstat -k 714 PID TID COMM TDNAME KSTACK procstat: sysctl: kern.proc.kstack: 714: Device busy DDB backtrace for shell: https://imgur.com/a/JDLry
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