-----Original Message----- From: Mark Lord [mailto:liml@xxxxxx] Sent: Wednesday, November 14, 2007 12:57 PM To: Morrison, Tom Cc: Jeff Garzik; linux-ide@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx Subject: Re: 2.6.23.1 - sata_mv (7042) hang with large file operations Morrison, Tom wrote: > <snip > > The problem comes ONLY when I am doing large file operations > (e.g.: just copying a file) to/from the SATA drives behind > the subject line 7042....it just hangs after about 10-15 > seconds into the copy... > > How large a file causes the hang - you ask - well, somewhere > between 100Meg & 500Meg... > <snip other drivel> ::: Can you give me exact details of how to set up and reproduce this? ::: -- Kernel version Linux-2.6.23.1 NOTE: I am using ppc (arch/ppc instead of arch/powerpc) ::: -- number/config/model of drives 2x250GIG Western Digital - 3 partitions (largest (/dev/sda3 ~200Gig - formatted to ext2). 7042 PEX on a MPC8548 Board ::: -- exact command line sequence to cause the failure NFS mount root file system (I am currently rebuild to take away the NFS file system dependency) - /dev/sda3 is drive in question... a) mount /dev/sda3 /mnt/src b) cp large_500Meg_file /mnt/src/. ========================================================== ========================================================== NOTE: this does NOT fail on a 2.6.11 kernel version!!!! So I do NOT think it's a hardware problem! It could be a PEX related problem with arch/ppc - I would expect under heavy pounding with smaller files it would fail as well - but it does NOT) ========================================================== ========================================================== Anything else you need to know? - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
