Date: Mon, 7 Nov 2022 14:01:58 -0700 From: Warner Losh <imp@bsdimp.com> To: Wojciech Puchar <wojtek@puchar.net> Cc: freebsd-hackers@freebsd.org Subject: Re: SSD - trim fails Message-ID: <CANCZdfpWJude0-q=z2ZVFPuDv81p6dxd1Uo4115%2B6an9q_-f9A@mail.gmail.com> In-Reply-To: <16589dc-a890-579-c523-db92be5335ce@puchar.net> References: <8a5a1943-6b3-92fd-17c-473c5b13436@puchar.net> <CANCZdfrzu_mVFN=PHLrK9dHTb5ve7H=HN9bnRf9A1JHP4P4i3Q@mail.gmail.com> <16589dc-a890-579-c523-db92be5335ce@puchar.net>
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[-- Attachment #1 --] On Sun, Nov 6, 2022 at 3:44 PM Wojciech Puchar <wojtek@puchar.net> wrote: > > Next, maybe the drive is lying the size of the DSM it will support, but > again, this is a weird > > message to report a request that's too long with. > > > > Maybe it doesn't support queued DSM, despite all appearances to the > contrary from its > > identify tables. Try setting the trem method to DSM_TRIM: > > # sysctl kern.cam.ada.0.delete_method=DSM_TRIM > > should do the trick. At the very least, that will change the command we > send so if it can't > > > this works. but not from /boot/loader.conf > i put it in /etc/rc at beginning so it for sure is done before doing first > trim. > Can you file a bug for this? Also, I'm thinking that maybe this should be the default for these drives, so if you could send me a camcontrol identify for it? Warner [-- Attachment #2 --] <div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Nov 6, 2022 at 3:44 PM Wojciech Puchar <<a href="mailto:wojtek@puchar.net">wojtek@puchar.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">> Next, maybe the drive is lying the size of the DSM it will support, but again, this is a weird<br> > message to report a request that's too long with.<br> > <br> > Maybe it doesn't support queued DSM, despite all appearances to the contrary from its<br> > identify tables. Try setting the trem method to DSM_TRIM:<br> > # sysctl kern.cam.ada.0.delete_method=DSM_TRIM<br> > should do the trick. At the very least, that will change the command we send so if it can't<br> <br> <br> this works. but not from /boot/loader.conf<br> i put it in /etc/rc at beginning so it for sure is done before doing first <br> trim.<br></blockquote><div><br></div><div>Can you file a bug for this?</div><div><br></div><div>Also, I'm thinking that maybe this should be the default for these drives, so if you could</div><div>send me a camcontrol identify for it?</div><div><br></div><div>Warner </div></div></div>
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