From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Joel Soete" Subject: Re: [parisc-linux] ccio-dma 64bit debug_init info Date: Thu, 2 Jun 2005 18:01:20 +0200 Message-ID: <4282FEEE00008707@mail-5-bnl.tiscali.it> References: <1116610441.5174.40.camel@mulgrave> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-15" Cc: PARISC list To: "James Bottomley" Return-Path: In-Reply-To: <1116610441.5174.40.camel@mulgrave> List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: parisc-linux-bounces@lists.parisc-linux.org Hello James, > > On Fri, 2005-05-20 at 19:16 +0200, Joel Soete wrote: > > Btw I also have an external bootable disk narrow SE connected to the s710 > > driver. Do you know if this one is 64bit capable? > > The lasi700 driver works fine in a 64 bit kernel, yes. > You have right I just reinstall an external disk on lasi700 (53c700) cont= roler and boot a 64bit kernel (with ncr53c8x as module) :-) BUT it is horribly slow: o it takes about a 1.5 h to boot (about 5 min for its twin 32bit) o a ssh connection takes about a min too (only some seconds for 32bit= kernel) and fwiw top: top - 13:49:13 up 1:02, 1 user, load average: 1.98, 3.13, 3.64 Tasks: 39 total, 4 running, 35 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0% us, 0.0% sy, 0.0% ni, 100.0% id, 0.0% wa, 0.0% hi, 0.0= % si Mem: 252696k total, 47148k used, 205548k free, 3192k buffers Swap: 131928k total, 0k used, 131928k free, 27104k cached [...] just show an 100% idle system? Another known issue for this kind of d model? Any idea? Thanks, Joel btw: I read this strange messages when it init raid5 [snip] md: linear personality registered as nr 1 md: raid0 personality registered as nr 2 md: raid1 personality registered as nr 3 md: raid5 personality registered as nr 4 raid5: measuring checksumming speed 8regs : -923425.-184 MB/sec 8regs_prefetch: 1824022.112 MB/sec 32regs : 328350.816 MB/sec 32regs_prefetch: -1188109.-184 MB/sec raid5: using function: 8regs_prefetch (1824022.112 MB/sec) md: md driver 0.90.1 MAX_MD_DEVS=3D256, MD_SB_DISKS=3D27 [snip] while the 32bit showed me more relevant values: md: linear personality registered as nr 1 md: raid0 personality registered as nr 2 md: raid1 personality registered as nr 3 md: raid5 personality registered as nr 4 raid5: measuring checksumming speed 8regs : 574.400 MB/sec 8regs_prefetch: 387.600 MB/sec 32regs : 447.600 MB/sec 32regs_prefetch: 345.200 MB/sec raid5: using function: 8regs (574.400 MB/sec) md: md driver 0.90.1 MAX_MD_DEVS=3D256, MD_SB_DISKS=3D27 obviously I remove also raid5 support but it doesn't help :-( _______________________________________________ parisc-linux mailing list parisc-linux@lists.parisc-linux.org http://lists.parisc-linux.org/mailman/listinfo/parisc-linux