Date: Wed, 14 Jul 2010 23:58:28 +0200 From: Alexander Best <alexbestms@uni-muenster.de> To: Paul B Mahol <onemda@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: buffer starvation when recording DVDs Message-ID: <AANLkTinOiHOnkAmynJqsA4Gj5_kYD-jlbeRxG-IfwVzc@mail.gmail.com> In-Reply-To: <AANLkTinHSOwqg_nemomgDeDW4rdHPdWa51oMjTRE7P0R@mail.gmail.com> References: <AANLkTik7WRzcFoeEVj_UoIe0oO8cRXABflsaIOFAY7eZ@mail.gmail.com> <AANLkTin1Tg3i0Q0ndUABxcUQsPJgBexpbIwN4plkqIud@mail.gmail.com> <AANLkTilQS04hwIPbccSEoIPVSlZFBdtBT4FhxyH8cxRZ@mail.gmail.com> <AANLkTikegRPYMB6OJ6Bg57GfVneR4kj_MdUJJKyyOSq6@mail.gmail.com> <AANLkTik7djAG3aUA1mPFJsKMBVuuwQBlnFoB3se2WJ4l@mail.gmail.com> <AANLkTimLieTK8ErhamGkCrK3YQgI9XgU_0bJ69D5l_D-@mail.gmail.com> <AANLkTiktkbhBNtFbqnV4FdzfQsCWJu0MgnxEKx8XmcbC@mail.gmail.com> <AANLkTinHSOwqg_nemomgDeDW4rdHPdWa51oMjTRE7P0R@mail.gmail.com>
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2010/7/14 Alexander Best <alexbestms@uni-muenster.de>: > 2010/7/14 Paul B Mahol <onemda@gmail.com>: >> On 7/14/10, Alexander Best <alexbestms@uni-muenster.de> wrote: >>> 2010/7/14 Paul B Mahol <onemda@gmail.com>: >>>> On Wed, Jul 14, 2010 at 1:25 PM, Alexander Best >>>> <alexbestms@uni-muenster.de> wrote: >>>>> 2010/7/14 Paul B Mahol <onemda@gmail.com>: >>>>>> On Wed, Jul 14, 2010 at 12:46 PM, Alexander Best >>>>>> <alexbestms@uni-muenster.de> wrote: >>>>>>> 2010/7/14 Alexander Best <alexbestms@uni-muenster.de>: >>>>>>>> hi there, >>>>>>>> >>>>>>>> my dvdr drive supports recording DVDs (both DVD-Rs and DVD+Rs) at = a >>>>>>>> maximum speed of 16x. however at speeds of more than ~12x the burn= er's >>>>>>>> buffer get's filled only ~20%. probably that's why the burner's sp= eed >>>>>>>> get's reduced by `growisofs` (to prevent buffer starvation?). how = can >>>>>>>> this happen? the iso i am using lies on my HDD which is quite fast >>>>>>>> (connected via SATA 2.0). >>>>>>>> >>>>>>>> this is the output of `camcontrol devlist -v`: >>>>>>>> >>>>>>>> scbus0 on ahcich0 bus 0: >>>>>>>> <> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= at scbus0 target -1 lun -1 () >>>>>>>> scbus1 on ahcich1 bus 0: >>>>>>>> <> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= at scbus1 target -1 lun -1 () >>>>>>>> scbus2 on ata2 bus 0: >>>>>>>> <HL-DT-ST DVDRAM GSA-H10N JL12> =A0 =A0at scbus2 target 0 lun 0 >>>>>>>> (cd0,pass0) >>>>>>>> <> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= at scbus2 target -1 lun -1 () >>>>>>>> scbus3 on ahcich2 bus 0: >>>>>>>> <SAMSUNG SP2504C VT100-50> =A0 =A0 =A0 =A0 at scbus3 target 0 lun = 0 >>>>>>>> (ada0,pass1) >>>>>>>> <> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= at scbus3 target -1 lun -1 () >>>>>>>> scbus4 on ahcich3 bus 0: >>>>>>>> <> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= at scbus4 target -1 lun -1 () >>>>>>>> scbus5 on ahcich4 bus 0: >>>>>>>> <> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= at scbus5 target -1 lun -1 () >>>>>>>> scbus6 on ahcich5 bus 0: >>>>>>>> <> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= at scbus6 target -1 lun -1 () >>>>>>>> scbus7 on ahcich6 bus 0: >>>>>>>> <> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= at scbus7 target -1 lun -1 () >>>>>>>> scbus8 on ahcich7 bus 0: >>>>>>>> <> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= at scbus8 target -1 lun -1 () >>>>>>>> scbus-1 on xpt0 bus 0: >>>>>>>> <> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= at scbus-1 target -1 lun -1 (xpt0) >>>>>>>> >>>>>>>> as you can see cd0 and ada0 don't share the same cable (cd0 is PAT= A, >>>>>>>> ada0 is SATA). the PATA and SATA controllers are: >>>>>>>> >>>>>>>> atapci0: <JMicron JMB363 UDMA133 controller> port >>>>>>>> 0xd000-0xd007,0xd100-0xd103,0xd200-0xd207,0xd300-0xd303,0xd400-0xd= 40f >>>>>>>> irq 16 at device 0.1 on pci3 >>>>>>>> >>>>>>>> ahci0: <JMicron JMB363 AHCI SATA controller> mem 0xf8000000-0xf800= 1fff >>>>>>>> irq 19 at device 0.0 on pci3 >>>>>>> >>>>>>> sorry for the wrong information. just realized my HDD is connected = to >>>>>>> the intel controller! >>>>>>> >>>>>>>> >>>>>>>> this is the output of `growisofs`: >>>>>>>> >>>>>>>> Executing 'builtin_dd if=3Dnew.iso of=3D/dev/pass0 obs=3D32k seek= =3D0' >>>>>>>> /dev/pass0: "Current Write Speed" is 16.4x1352KBps. >>>>>>>> =A0 =A0 =A0 =A0 =A00/4695924736 ( 0.0%) @0x, remaining ??:?? RBU 1= 00.0% UBU >>>>>>>> 0.0% >>>>>>>> =A0 =A0 =A0 =A0 =A00/4695924736 ( 0.0%) @0x, remaining ??:?? RBU 1= 00.0% UBU >>>>>>>> 0.0% >>>>>>>> =A0 =A0 =A0 =A0 =A00/4695924736 ( 0.0%) @0x, remaining ??:?? RBU 1= 00.0% UBU >>>>>>>> 0.0% >>>>>>>> =A0 =A0 =A0 =A0 =A00/4695924736 ( 0.0%) @0x, remaining ??:?? RBU 1= 00.0% UBU >>>>>>>> 0.0% >>>>>>>> =A0 =A0 =A0 =A0 =A00/4695924736 ( 0.0%) @0x, remaining ??:?? RBU 1= 00.0% UBU >>>>>>>> 0.0% >>>>>>>> =A0 =A0 =A0 =A0 =A00/4695924736 ( 0.0%) @0x, remaining ??:?? RBU 1= 00.0% UBU >>>>>>>> 0.0% >>>>>>>> =A0 =A0 =A0 =A0 =A00/4695924736 ( 0.0%) @0x, remaining ??:?? RBU 1= 00.0% UBU >>>>>>>> 0.0% >>>>>>>> =A0 =A01114112/4695924736 ( 0.0%) @0.2x, remaining 2036:44 RBU 100= .0% UBU >>>>>>>> =A0 2.9% >>>>>>>> =A0 =A01114112/4695924736 ( 0.0%) @0.0x, remaining 2247:26 RBU 100= .0% UBU >>>>>>>> 100.0% >>>>>>>> =A0 19365888/4695924736 ( 0.4%) @4.0x, remaining 144:53 RBU 100.0%= UBU >>>>>>>> 100.0% >>>>>>>> =A0 52789248/4695924736 ( 1.1%) @7.2x, remaining 57:10 RBU =A099.9= % UBU >>>>>>>> 100.0% >>>>>>>> =A0 86736896/4695924736 ( 1.8%) @7.4x, remaining 37:11 RBU 100.0% = UBU >>>>>>>> 100.0% >>>>>>>> =A0121241600/4695924736 ( 2.6%) @7.5x, remaining 28:55 RBU 100.0% = UBU >>>>>>>> =A097.1% >>>>>>>> =A0156336128/4695924736 ( 3.3%) @7.6x, remaining 23:42 RBU =A099.9= % UBU >>>>>>>> =A097.1% >>>>>>>> =A0191954944/4695924736 ( 4.1%) @7.7x, remaining 20:20 RBU 100.0% = UBU >>>>>>>> 100.0% >>>>>>>> =A0228130816/4695924736 ( 4.9%) @7.8x, remaining 18:16 RBU 100.0% = UBU >>>>>>>> 100.0% >>>>>>>> =A0264863744/4695924736 ( 5.6%) @8.0x, remaining 16:27 RBU 100.0% = UBU >>>>>>>> 100.0% >>>>>>>> =A0298352640/4695924736 ( 6.4%) @7.3x, remaining 15:13 RBU 100.0% = UBU >>>>>>>> 100.0% >>>>>>>> =A0336134144/4695924736 ( 7.2%) @8.2x, remaining 14:16 RBU 100.0% = UBU >>>>>>>> 100.0% >>>>>>>> =A0374505472/4695924736 ( 8.0%) @8.3x, remaining 13:16 RBU 100.0% = UBU >>>>>>>> 100.0% >>>>>>>> =A0413401088/4695924736 ( 8.8%) @8.4x, remaining 12:25 RBU =A099.9= % UBU >>>>>>>> 100.0% >>>>>>>> =A0452886528/4695924736 ( 9.6%) @8.6x, remaining 11:52 RBU 100.0% = UBU >>>>>>>> 100.0% >>>>>>>> =A0492896256/4695924736 (10.5%) @8.7x, remaining 11:13 RBU 100.0% = UBU >>>>>>>> =A097.1% >>>>>>>> =A0533495808/4695924736 (11.4%) @8.8x, remaining 10:39 RBU 100.0% = UBU >>>>>>>> =A097.1% >>>>>>>> =A0574619648/4695924736 (12.2%) @8.9x, remaining 10:16 RBU =A099.7= % UBU >>>>>>>> 100.0% >>>>>>>> =A0616333312/4695924736 (13.1%) @9.0x, remaining 9:49 RBU =A099.9%= UBU >>>>>>>> =A097.1% >>>>>>>> =A0658538496/4695924736 (14.0%) @9.1x, remaining 9:24 RBU 100.0% U= BU >>>>>>>> =A094.1% >>>>>>>> =A0701366272/4695924736 (14.9%) @9.3x, remaining 9:06 RBU 100.0% U= BU >>>>>>>> =A097.1% >>>>>>>> =A0744751104/4695924736 (15.9%) @9.4x, remaining 8:45 RBU =A099.9%= UBU >>>>>>>> =A097.1% >>>>>>>> =A0788660224/4695924736 (16.8%) @9.5x, remaining 8:25 RBU 100.0% U= BU >>>>>>>> =A097.1% >>>>>>>> =A0833159168/4695924736 (17.7%) @9.6x, remaining 8:11 RBU 100.0% U= BU >>>>>>>> =A097.1% >>>>>>>> =A0878182400/4695924736 (18.7%) @9.8x, remaining 7:53 RBU 100.0% U= BU >>>>>>>> =A097.1% >>>>>>>> =A0923762688/4695924736 (19.7%) @9.9x, remaining 7:37 RBU 100.0% U= BU >>>>>>>> =A097.1% >>>>>>>> =A0969932800/4695924736 (20.7%) @10.0x, remaining 7:25 RBU 100.0% = UBU >>>>>>>> =A097.1% >>>>>>>> =A01011908608/4695924736 (21.5%) @9.1x, remaining 7:13 RBU 100.0% = UBU >>>>>>>> =A097.1% >>>>>>>> =A01059094528/4695924736 (22.6%) @10.2x, remaining 6:58 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A01106903040/4695924736 (23.6%) @10.4x, remaining 6:48 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A01155203072/4695924736 (24.6%) @10.5x, remaining 6:35 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A01204092928/4695924736 (25.6%) @10.6x, remaining 6:22 RBU =A099.= 9% UBU >>>>>>>> =A097.1% >>>>>>>> =A01253507072/4695924736 (26.7%) @10.7x, remaining 6:13 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A01303511040/4695924736 (27.8%) @10.8x, remaining 6:01 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A01354039296/4695924736 (28.8%) @10.9x, remaining 5:50 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A01405124608/4695924736 (29.9%) @11.1x, remaining 5:41 RBU 100.0%= UBU >>>>>>>> =A091.2% >>>>>>>> =A01456832512/4695924736 (31.0%) @11.2x, remaining 5:31 RBU =A099.= 9% UBU >>>>>>>> =A097.1% >>>>>>>> =A01509031936/4695924736 (32.1%) @11.3x, remaining 5:21 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A01561821184/4695924736 (33.3%) @11.4x, remaining 5:13 RBU =A099.= 9% UBU >>>>>>>> =A097.1% >>>>>>>> =A01615134720/4695924736 (34.4%) @11.6x, remaining 5:03 RBU 100.0%= UBU >>>>>>>> =A091.2% >>>>>>>> =A01669005312/4695924736 (35.5%) @11.7x, remaining 4:53 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A01723465728/4695924736 (36.7%) @11.8x, remaining 4:46 RBU 100.0%= UBU >>>>>>>> =A091.2% >>>>>>>> =A01778417664/4695924736 (37.9%) @11.9x, remaining 4:37 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A01834024960/4695924736 (39.1%) @12.0x, remaining 4:28 RBU =A099.= 5% UBU >>>>>>>> =A097.1% >>>>>>>> =A01884389376/4695924736 (40.1%) @10.9x, remaining 4:22 RBU 100.0%= UBU >>>>>>>> =A047.1% >>>>>>>> =A01941012480/4695924736 (41.3%) @12.3x, remaining 4:14 RBU =A099.= 9% UBU >>>>>>>> =A097.1% >>>>>>>> =A01998159872/4695924736 (42.6%) @12.4x, remaining 4:05 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A02055897088/4695924736 (43.8%) @12.5x, remaining 3:58 RBU =A096.= 6% UBU >>>>>>>> =A094.1% >>>>>>>> =A02113961984/4695924736 (45.0%) @12.6x, remaining 3:50 RBU 100.0%= UBU >>>>>>>> =A082.4% >>>>>>>> =A02172977152/4695924736 (46.3%) @12.8x, remaining 3:42 RBU 100.0%= UBU >>>>>>>> =A079.4% >>>>>>>> =A02232188928/4695924736 (47.5%) @12.8x, remaining 3:36 RBU 100.0%= UBU >>>>>>>> =A079.4% >>>>>>>> =A02292154368/4695924736 (48.8%) @13.0x, remaining 3:28 RBU 100.0%= UBU >>>>>>>> =A073.5% >>>>>>>> =A02352218112/4695924736 (50.1%) @13.0x, remaining 3:21 RBU =A099.= 9% UBU >>>>>>>> =A041.2% >>>>>>>> =A02406875136/4695924736 (51.3%) @11.8x, remaining 3:15 RBU 100.0%= UBU >>>>>>>> =A023.5% >>>>>>>> =A02462351360/4695924736 (52.4%) @12.0x, remaining 3:09 RBU 100.0%= UBU >>>>>>>> =A020.6% >>>>>>>> =A02512650240/4695924736 (53.5%) @10.9x, remaining 3:04 RBU 100.0%= UBU >>>>>>>> =A020.6% >>>>>>>> =A02568781824/4695924736 (54.7%) @12.2x, remaining 2:58 RBU =A099.= 8% UBU >>>>>>>> =A020.6% >>>>>>>> =A02625634304/4695924736 (55.9%) @12.3x, remaining 2:52 RBU =A099.= 9% UBU >>>>>>>> =A020.6% >>>>>>>> =A02682814464/4695924736 (57.1%) @12.4x, remaining 2:46 RBU 100.0%= UBU >>>>>>>> =A020.6% >>>>>>>> =A02740486144/4695924736 (58.4%) @12.5x, remaining 2:41 RBU =A099.= 9% UBU >>>>>>>> =A020.6% >>>>>>>> =A02785411072/4695924736 (59.3%) @9.7x, remaining 2:37 RBU =A099.5= % UBU >>>>>>>> =A020.6% >>>>>>>> =A02840920064/4695924736 (60.5%) @12.0x, remaining 2:31 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A02896461824/4695924736 (61.7%) @12.0x, remaining 2:26 RBU 100.0%= UBU >>>>>>>> =A094.1% >>>>>>>> =A02951970816/4695924736 (62.9%) @12.0x, remaining 2:21 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A03007479808/4695924736 (64.0%) @12.0x, remaining 2:15 RBU =A099.= 9% UBU >>>>>>>> =A097.1% >>>>>>>> =A03063021568/4695924736 (65.2%) @12.0x, remaining 2:11 RBU =A099.= 8% UBU >>>>>>>> =A088.2% >>>>>>>> =A03118497792/4695924736 (66.4%) @12.0x, remaining 2:05 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A03174039552/4695924736 (67.6%) @12.0x, remaining 2:00 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A03229581312/4695924736 (68.8%) @12.0x, remaining 1:56 RBU =A099.= 9% UBU >>>>>>>> =A097.1% >>>>>>>> =A03285090304/4695924736 (70.0%) @12.0x, remaining 1:51 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A03340599296/4695924736 (71.1%) @12.0x, remaining 1:46 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A03396141056/4695924736 (72.3%) @12.0x, remaining 1:41 RBU =A099.= 9% UBU >>>>>>>> =A097.1% >>>>>>>> =A03451682816/4695924736 (73.5%) @12.0x, remaining 1:36 RBU =A099.= 9% UBU >>>>>>>> =A097.1% >>>>>>>> =A03507191808/4695924736 (74.7%) @12.0x, remaining 1:32 RBU 100.0%= UBU >>>>>>>> =A094.1% >>>>>>>> =A03562733568/4695924736 (75.9%) @12.0x, remaining 1:27 RBU 100.0%= UBU >>>>>>>> =A091.2% >>>>>>>> =A03618242560/4695924736 (77.1%) @12.0x, remaining 1:23 RBU 100.0%= UBU >>>>>>>> =A091.2% >>>>>>>> =A03673784320/4695924736 (78.2%) @12.0x, remaining 1:18 RBU 100.0%= UBU >>>>>>>> =A094.1% >>>>>>>> =A03729293312/4695924736 (79.4%) @12.0x, remaining 1:14 RBU 100.0%= UBU >>>>>>>> =A094.1% >>>>>>>> =A03784835072/4695924736 (80.6%) @12.0x, remaining 1:09 RBU 100.0%= UBU >>>>>>>> =A094.1% >>>>>>>> =A03840344064/4695924736 (81.8%) @12.0x, remaining 1:05 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A03895885824/4695924736 (83.0%) @12.0x, remaining 1:00 RBU 100.0%= UBU >>>>>>>> =A070.6% >>>>>>>> =A03951427584/4695924736 (84.1%) @12.0x, remaining 0:56 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A04006936576/4695924736 (85.3%) @12.0x, remaining 0:51 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A04062478336/4695924736 (86.5%) @12.0x, remaining 0:47 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A04118020096/4695924736 (87.7%) @12.0x, remaining 0:43 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A04173529088/4695924736 (88.9%) @12.0x, remaining 0:39 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A04229103616/4695924736 (90.1%) @12.0x, remaining 0:34 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A04284579840/4695924736 (91.2%) @12.0x, remaining 0:30 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A04340154368/4695924736 (92.4%) @12.0x, remaining 0:26 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A04395663360/4695924736 (93.6%) @12.0x, remaining 0:22 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A04451237888/4695924736 (94.8%) @12.0x, remaining 0:18 RBU =A099.= 9% UBU >>>>>>>> =A097.1% >>>>>>>> =A04506779648/4695924736 (96.0%) @12.0x, remaining 0:13 RBU =A099.= 9% UBU >>>>>>>> =A097.1% >>>>>>>> =A04562321408/4695924736 (97.2%) @12.0x, remaining 0:09 RBU =A099.= 9% UBU >>>>>>>> =A097.1% >>>>>>>> =A04617830400/4695924736 (98.3%) @12.0x, remaining 0:05 RBU 100.0%= UBU >>>>>>>> =A097.1% >>>>>>>> =A04673372160/4695924736 (99.5%) @12.0x, remaining 0:01 RBU =A067.= 3% UBU >>>>>>>> =A097.1% >>>>>>>> builtin_dd: 2292944*2KB out @ average 9.9x1352KBps >>>>>>>> /dev/pass0: flushing cache >>>>>>>> /dev/pass0: closing track >>>>>>>> /dev/pass0: closing disc >>>>>>>> >>>>>>>> i also noticed this output (console): >>>>>>>> >>>>>>>> (cd0:ata2:0:0:0): READ TOC/PMA/ATIP. CDB: 43 0 0 0 0 0 0 0 4 0 >>>>>>>> (cd0:ata2:0:0:0): CAM status: SCSI Status Error >>>>>>>> (cd0:ata2:0:0:0): SCSI status: Check Condition >>>>>>>> (cd0:ata2:0:0:0): SCSI sense: ILLEGAL REQUEST csi:43,0,0,e asc:24,= 0 >>>>>>>> (Invalid field in CDB): Command byte 6 is invalid >>>>>>>> (cd0:ata2:0:0:0): READ TOC/PMA/ATIP. CDB: 43 0 0 0 0 0 0 0 4 0 >>>>>>>> (cd0:ata2:0:0:0): CAM status: SCSI Status Error >>>>>>>> (cd0:ata2:0:0:0): SCSI status: Check Condition >>>>>>>> (cd0:ata2:0:0:0): SCSI sense: ILLEGAL REQUEST csi:43,0,0,e asc:24,= 0 >>>>>>>> (Invalid field in CDB): Command byte 6 is invalid >>>>>>>> >>>>>>>> my motherboard features a second SATA controller: >>>>>>>> >>>>>>>> ahci1: <Intel ICH9 AHCI SATA controller> port >>>>>>>> 0xe600-0xe607,0xe700-0xe703,0xe800-0xe807,0xe900-0xe903,0xea00-0xe= a1f >>>>>>>> mem 0xf8206000-0xf82067ff irq 19 at device 31.2 on pci0 >>>>>>> >>>>>>> this one! >>>>>>> >>>>>>>> >>>>>>>> should i consider moving my hdd to this controller? i heard the >>>>>>>> jmicron controllers don't work very well under freebsd. >>>>>>>> >>>>>>>> i'm running >>>>>>>> >>>>>>>> FreeBSD otaku 9.0-CURRENT FreeBSD 9.0-CURRENT #4 r209884: Sat Jul = 10 >>>>>>>> 19:25:16 CEST 2010 =A0 =A0 root@otaku:/usr/obj/usr/src/sys/ARUNDEL= =A0amd64 >>>>>>>> >>>>>>>> with >>>>>>>> >>>>>>>> options =A0 =A0 =A0 =A0 ATA_CAM >>>>>>>> >>>>>>>> in my kernel config. >>>>>>>> >>>>>>>> cheers. >>>>>>>> >>>>>>>> ps: during the `growisofs` session i made sure that no other >>>>>>>> application was causing heavy HDD activity!!! >>>>>> >>>>>> How much is your HDD really fast(when reading that iso file)? >>>>> >>>>> dd if=3D/dev/ada0 of=3D/dev/null bs=3D1M count=3D4482 >>>>> 4482+0 records in >>>>> 4482+0 records out >>>>> 4699717632 bytes transferred in 66.619926 secs (70545224 bytes/sec) >>>>> >>>> >>>> ISO file !=3D start of disk >>> >>> oh sorry. here're a couple of different tests. i'm not sure if they >>> are useful because of the effects of caching: >>> >>> dd if=3D/dev/cd0 of=3D./test.iso bs=3D2048 >>> 2293232+0 records in >>> 2293232+0 records out >>> 4696539136 bytes transferred in 1581.225780 secs (2970189 bytes/sec) >>> >>> dd if=3Dtest.iso of=3D/dev/null bs=3D1M >>> 4478+1 records in >>> 4478+1 records out >>> 4696539136 bytes transferred in 101.192359 secs (46411994 bytes/sec) >>> >>> time cp test.iso /dev/null >>> cp test.iso /dev/null =A00,00s user 7,98s system 7% cpu 1:39,78 total >>> >>>> >>>>>> >>>>>> Usually when I use growisofs, files I burn are located on tmpfs or a= re >>>>>> completly cached in VM (yes, that is hardcore) >>>>> >>>>> thanks for the hint. although i use tmpfs i only have 2GB of RAM. >>>>> that's why an entire DVD image (4.377 GiB) cannot reside inside tmpfs >>>>> (or any other memory backed fs) on my machine. >>>>> >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Alexander Best >>>>> >>>> >> >> I'm not really expert in those things, perhaps firmware for your >> burner is not up to date or have some limitations. >> >> Can be anything from flaky disc being burned to cdrecord. >> You are burning DVD-R or DVD+R? >> You tested with other disc vendors to see if there is anything different= .... > > i'm using DVD+Rs. unfortunately i don't have any DVD-Rs available > right now. this might be an issue with growisofs. i'm not using > cdrecord. i don't think it's capable of burning DVDs, but i might be > wrong there. > > i guess i'll have to bite the bullet and run more tests. just thought > this was a common issue and somebody already came up with a solution. > > thanks for your help. > > ps: i've added freebew-questions@ oopppsss...pressed the send button too early. ;) i was going to say: i've added freebsd-questions@ to CC in case somebody else has the same prob= lem. > >> > > > > -- > Alexander Best > --=20 Alexander Best
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