Date: Thu, 5 Feb 2015 17:07:55 +0900 From: "Lundberg, Johannes" <johannes@brilliantservice.co.jp> To: Dimitry Andric <dim@freebsd.org> Cc: FreeBSD Current <freebsd-current@freebsd.org>, Allan Jude <allanjude@freebsd.org> Subject: Re: Weird behavior writing to SSD on 2013 MacBook Message-ID: <CAASDrVnE1T-bkav763PHuFzCr%2BR9ou=SBQcfTt%2B2i=69d7G0=A@mail.gmail.com> In-Reply-To: <AF0781EF-50BD-4CAB-8FEC-6334EED6DACF@FreeBSD.org> References: <CAASDrV=d=7aGdsDzDxRS2aXW%2BtWijVmNWrCNSYLWrWWvgwYx6Q@mail.gmail.com> <54D2C3DA.4060205@freebsd.org> <CAASDrV=9zrG8mH0Cn770yJLG6cBxuFjBQthhcHB_q4e7Afthww@mail.gmail.com> <CAASDrVnY8RQV2C=k=_v=23VD%2BQcXYegm1SLQPXDULwfQQ1xsDA@mail.gmail.com> <54D319EA.5020709@freebsd.org> <CAASDrVmcOzQiNMhi5dukd4PEyGXV4_T71jh3E3DfaWjKWWWM6g@mail.gmail.com> <AF0781EF-50BD-4CAB-8FEC-6334EED6DACF@FreeBSD.org>
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The only values that change are "load" and "r". "u" and "s" are 0.00. If I wait long enough it always continues but might be several minutes. -- Johannes Lundberg BRILLIANTSERVICE CO., LTD. On Thu, Feb 5, 2015 at 4:56 PM, Dimitry Andric <dim@freebsd.org> wrote: > If you let bsdtar continue, and press control-T a few times, does the > user time (u) increase at all? Does it ever go any further, if you let > it run for a very long time? > > I believe a problem may have been introduced by r277922, leading to > filesystem hangs in some scenarios. It looks like this commit is also > in dumbbell's github fork: > > > https://github.com/dumbbell/freebsd/commit/83723416a6bb8695d60c6573722a81= 086899f521 > > -Dimitry > > > On 05 Feb 2015, at 08:32, Lundberg, Johannes < > johannes@brilliantservice.co.jp> wrote: > > > > The release is the latest snapshot memstick image and kernel is from > > https://github.com/dumbbell/freebsd/tree/kms-drm-update-38. > > > > I think this problem existed before I changed kernel. > > > > I haven't changed any settings on the filesystem so I assume TRIM is of= f. > > > > When stopped "bsdtar" is in state "flswai". What does this mean? > > > > / is 13 GB and 80% full. > > > > > > -- > > Johannes Lundberg > > BRILLIANTSERVICE CO., LTD. > > > > On Thu, Feb 5, 2015 at 4:21 PM, Allan Jude <allanjude@freebsd.org> > wrote: > > > >> On 2015-02-04 20:40, Lundberg, Johannes wrote: > >>> By the way, > >>> > >>> For the second test I first ran portsnap extract without removing the > old > >>> /usr/ports folder and it ran through quickly without any halts.. > >>> > >>> -- > >>> Johannes Lundberg > >>> BRILLIANTSERVICE CO., LTD. > >>> > >>> On Thu, Feb 5, 2015 at 10:38 AM, Lundberg, Johannes < > >>> johannes@brilliantservice.co.jp> wrote: > >>> > >>>> I deleted /usr/ports and did a new portsnap extract > >>>> > >>>> portsnap stopped at /usr/ports/editors/teco > >>>> > >>>> that folder is empty and the previous folder (editors/tea) is > populated > >>>> with files. > >>>> > >>>> portsnap stopped for about 2-3 minutes and during the whole time gst= at > >>>> showed values like this: (disc io load was constantly fluctuating > around > >>>> 200 MB/s, not static) > >>>> > >>>> dT: 1.002s w: 1.000s > >>>> L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name > >>>> 1240 43523 0 0 0.0 43523 220158 24.1 99.5| ada0 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| ada0p1 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| ada0p2 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| ada0p3 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| ada0p4 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| ada0p5 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| ada0p6 > >>>> 1240 43523 0 0 0.0 43523 220158 24.1 99.5| ada0p7 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| ada0p8 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| > >>>> gpt/EFI%20System%20Partition > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| > >>>> gptid/ca33c17c-0ef4-4d9b-b2bb-cb37a907504b > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| > >> msdosfs/EFI > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| > >> gpt/Untitled > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| > >>>> gptid/319461e8-0310-47d5-b4d1-6ba5a92cf9a9 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| > >>>> gpt/Recovery%20HD > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| > >>>> gptid/cb9530b7-8872-46d0-b36c-fca667b4e541 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| > >>>> gptid/6ac11466-21c5-4420-85bc-eb1c3c7fa616 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| > >>>> gptid/0047cc59-6b75-4508-98d0-842beafd3164 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| > >>>> gptid/ddebb168-ac18-11e4-8f9e-283737012e32 > >>>> 0 0 0 0 0.0 0 0 0.0 0.0| > >>>> msdosfs/NO_NAME > >>>> > >>>> > >>>> That is, 100% busy and 200 MB/s... > >>>> > >>>> top shows > >>>> > >>>> last pid: 13709; load averages: 1.18, 0.98, > >>>> 0.58 > >>>> up 0+00:28:36 10:35:38 > >>>> 27 processes: 1 running, 26 sleeping > >>>> CPU: 0.0% user, 0.0% nice, 12.3% system, 11.1% interrupt, 76.6% id= le > >>>> Mem: 25M Active, 651M Inact, 587M Wired, 30M Cache, 411M Buf, 2566M > Free > >>>> Swap: 706M Total, 706M Free > >>>> > >>>> > >>>> I have used FreeBSD with SSD plenty and never seen this behavior > before. > >>>> > >>>> -- > >>>> Johannes Lundberg > >>>> BRILLIANTSERVICE CO., LTD. > >>>> > >>>> On Thu, Feb 5, 2015 at 10:14 AM, Allan Jude <allanjude@freebsd.org> > >> wrote: > >>>> > >>>>> On 2015-02-04 19:29, Lundberg, Johannes wrote: > >>>>>> Hi > >>>>>> > >>>>>> I'm thought I was gonna do some test runs with HEAD on a 2013 > Macbook > >>>>> Air > >>>>>> and noticed some weird behavior regarding disk I/O. > >>>>>> > >>>>>> This happens both when doing portsnap extract and clone from git > >>>>> repository. > >>>>>> > >>>>>> For example portsnap extract, the extraction process (the output o= f > >> it) > >>>>>> suddenly stops, for seconds or maybe even minutes, quite many time= s > >>>>> during > >>>>>> the whole extraction process. > >>>>>> iostat reports ~200 MB/s on ada0 the whole time during freeze. > >>>>>> > >>>>>> > >>>>>> pciconf: > >>>>>> > >>>>>> ahci0@pci0:4:0:0: class=3D0x010601 card=3D0x91831b4b chip=3D0x9= 1831b4b > >>>>>> rev=3D0x14 hdr=3D0x00 > >>>>>> vendor =3D 'Marvell Technology Group Ltd.' > >>>>>> class =3D mass storage > >>>>>> subclass =3D SATA > >>>>>> > >>>>>> > >>>>>> dmesg (relevant lines?): > >>>>>> > >>>>>> ahci0: <Marvell 88SS9183 AHCI SATA controller> port > >>>>>> > 0x1028-0x102f,0x1034-0x1037,0x1020-0x1027,0x1030-0x1033,0x1000-0x101f > >>>>> mem > >>>>>> 0xb0700000-0xb07001ff at device 0.0 on pci4 > >>>>>> ahci0: AHCI v1.00 with 1 6Gbps ports, Port Multiplier not supporte= d > >>>>>> ahcich0: <AHCI channel> at channel 0 on ahci0 > >>>>>> > >>>>>> ada0 at ahcich0 bus 0 scbus0 target 0 lun 0 > >>>>>> ada0: <APPLE SSD SD0128F A222821> ATA-8 SATA 3.x device > >>>>>> ada0: Serial Number 1325A5401681 \^T\^T\^T\^T\^T\^T\^T > >>>>>> ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 512bytes) > >>>>>> ada0: Command Queueing enabled > >>>>>> ada0: 115712MB (236978176 512 byte sectors: 16H 63S/T 16383C) > >>>>>> ada0: Previously was known as ad4 > >>>>>> > >>>>>> GEOM: ada0: enabling Boot Camp > >>>>>> GEOM: diskid/DISK-1325A5401681%20%14%14%14%14%14%14%14: enabling > Boot > >>>>> Camp > >>>>>> > >>>>>> > >>>>>> gpart: > >>>>>> > >>>>>> =3D> 34 236978109 ada0 GPT (113G) > >>>>>> 34 6 - free - (3.0K) > >>>>>> 40 409600 1 efi (200M) > >>>>>> 409640 174519128 2 apple-hfs (83G) > >>>>>> 174928768 1269536 3 apple-boot (620M) > >>>>>> 176198304 1376 - free - (688K) > >>>>>> 176199680 29782016 4 linux-data (14G) > >>>>>> 205981696 2097152 5 linux-swap (1.0G) > >>>>>> 208078848 1600 6 efi (800K) > >>>>>> 208080448 27261368 7 freebsd-ufs (13G) > >>>>>> 235341816 1445888 8 freebsd-swap (706M) > >>>>>> 236787704 190439 - free - (93M) > >>>>>> > >>>>>> > >>>>>> One other weird thing is that FreeBSD does not show up in the refi= nd > >>>>> boot > >>>>>> menu by default, only OSX and Linux. I have to press ESC once to > >> reload > >>>>> for > >>>>>> FreeBSD boot option to show up.. Any clues? Is my partition > >>>>> configuration > >>>>>> wrong in some way? > >>>>>> > >>>>>> Thanks! > >>>>>> -- > >>>>>> Johannes Lundberg > >>>>>> BRILLIANTSERVICE CO., LTD. > >>>>>> > >>>>> > >>>>> For the disk io bit, try running 'gstat' instead of iostat, and see > >> what > >>>>> it says. > >>>>> > >>>>> -- > >>>>> Allan Jude > >>>>> > >>>>> > >>>> > >>> > >> > >> Is the disk nearly full? very random guess, but maybe it is the SSD > >> running its garbage collection when it runs out of space. Do you have > >> TRIM enabled? > >> > >> -- > >> Allan Jude > >> > >> > > > > -- > > =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- > > =E7=A7=98=E5=AF=86=E4=BF=9D=E6=8C=81=E3=81=AB=E3=81=A4=E3=81=84=E3=81= =A6=EF=BC=9A=E3=81=93=E3=81=AE=E9=9B=BB=E5=AD=90=E3=83=A1=E3=83=BC=E3=83=AB= =E3=81=AF=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E3=81=AB=E9=80=81=E4=BF=A1=E3= =81=97=E3=81=9F=E3=82=82=E3=81=AE=E3=81=A7=E3=81=82=E3=82=8A=E3=80=81=E7=A7= =98=E5=8C=BF=E7=89=B9=E6=A8=A9=E3=81=AE=E5=AF=BE=E8=B1=A1=E3=81=A8=E3=81=AA= =E3=82=8B=E6=83=85=E5=A0=B1=E3=82=92=E5=90=AB=E3=82=93=E3=81=A7=E3=81=84=E3= =81=BE=E3=81=99=E3=80=82 > > =E3=82=82=E3=81=97=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E4=BB=A5=E5=A4= =96=E3=81=AE=E6=96=B9=E3=81=8C=E5=8F=97=E4=BF=A1=E3=81=95=E3=82=8C=E3=81=9F= =E5=A0=B4=E5=90=88=E3=80=81=E3=81=93=E3=81=AE=E3=83=A1=E3=83=BC=E3=83=AB=E3= =81=AE=E7=A0=B4=E6=A3=84=E3=80=81=E3=81=8A=E3=82=88=E3=81=B3=E3=81=93=E3=81= =AE=E3=83=A1=E3=83=BC=E3=83=AB=E3=81=AB=E9=96=A2=E3=81=99=E3=82=8B=E4=B8=80= =E5=88=87=E3=81=AE=E9=96=8B=E7=A4=BA=E3=80=81 > > =E8=A4=87=E5=86=99=E3=80=81=E9=85=8D=E5=B8=83=E3=80=81=E3=81=9D=E3=81= =AE=E4=BB=96=E3=81=AE=E5=88=A9=E7=94=A8=E3=80=81=E3=81=BE=E3=81=9F=E3=81=AF= =E8=A8=98=E8=BC=89=E5=86=85=E5=AE=B9=E3=81=AB=E5=9F=BA=E3=81=A5=E3=81=8F=E3= =81=84=E3=81=8B=E3=81=AA=E3=82=8B=E8=A1=8C=E5=8B=95=E3=82=82=E3=81=95=E3=82= =8C=E3=81=AA=E3=81=84=E3=82=88=E3=81=86=E3=81=8A=E9=A1=98=E3=81=84=E7=94=B3= =E3=81=97=E4=B8=8A=E3=81=92=E3=81=BE=E3=81=99=E3=80=82 > > --- > > CONFIDENTIALITY NOTE: The information in this email is confidential > > and intended solely for the addressee. > > Disclosure, copying, distribution or any other action of use of this > > email by person other than intended recipient, is prohibited. > > If you are not the intended recipient and have received this email in > > error, please destroy the original message. > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to " > freebsd-current-unsubscribe@freebsd.org" > > --=20 =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- =E7=A7=98=E5=AF=86=E4=BF=9D=E6=8C=81=E3=81=AB=E3=81=A4=E3=81=84=E3=81=A6=EF= =BC=9A=E3=81=93=E3=81=AE=E9=9B=BB=E5=AD=90=E3=83=A1=E3=83=BC=E3=83=AB=E3=81= =AF=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E3=81=AB=E9=80=81=E4=BF=A1=E3=81=97= =E3=81=9F=E3=82=82=E3=81=AE=E3=81=A7=E3=81=82=E3=82=8A=E3=80=81=E7=A7=98=E5= =8C=BF=E7=89=B9=E6=A8=A9=E3=81=AE=E5=AF=BE=E8=B1=A1=E3=81=A8=E3=81=AA=E3=82= =8B=E6=83=85=E5=A0=B1=E3=82=92=E5=90=AB=E3=82=93=E3=81=A7=E3=81=84=E3=81=BE= =E3=81=99=E3=80=82 =E3=82=82=E3=81=97=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E4=BB=A5=E5=A4=96=E3= =81=AE=E6=96=B9=E3=81=8C=E5=8F=97=E4=BF=A1=E3=81=95=E3=82=8C=E3=81=9F=E5=A0= =B4=E5=90=88=E3=80=81=E3=81=93=E3=81=AE=E3=83=A1=E3=83=BC=E3=83=AB=E3=81=AE= =E7=A0=B4=E6=A3=84=E3=80=81=E3=81=8A=E3=82=88=E3=81=B3=E3=81=93=E3=81=AE=E3= =83=A1=E3=83=BC=E3=83=AB=E3=81=AB=E9=96=A2=E3=81=99=E3=82=8B=E4=B8=80=E5=88= =87=E3=81=AE=E9=96=8B=E7=A4=BA=E3=80=81 =E8=A4=87=E5=86=99=E3=80=81=E9=85=8D=E5=B8=83=E3=80=81=E3=81=9D=E3=81=AE=E4= =BB=96=E3=81=AE=E5=88=A9=E7=94=A8=E3=80=81=E3=81=BE=E3=81=9F=E3=81=AF=E8=A8= =98=E8=BC=89=E5=86=85=E5=AE=B9=E3=81=AB=E5=9F=BA=E3=81=A5=E3=81=8F=E3=81=84= =E3=81=8B=E3=81=AA=E3=82=8B=E8=A1=8C=E5=8B=95=E3=82=82=E3=81=95=E3=82=8C=E3= =81=AA=E3=81=84=E3=82=88=E3=81=86=E3=81=8A=E9=A1=98=E3=81=84=E7=94=B3=E3=81= =97=E4=B8=8A=E3=81=92=E3=81=BE=E3=81=99=E3=80=82 --- CONFIDENTIALITY NOTE: The information in this email is confidential and intended solely for the addressee. 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