thanks. I am really appreciative for helping. 2005/12/7, Mike Christie <michaelc@xxxxxxxxxxx>: > Mike Christie wrote: > > Yanggun wrote: > > > >> Hi, > >> > >> i am currently using linux kernel version 2.6.15-rc5 on x86 with Promise > >> SATAII150 TX2Plus(250G SATA HDD Disk x 2). > >> > >> But, SATA HDD disk does not become. program execute result of "fdisk > >> /dev/sda" is "Unable to read /dev/sda". > >> > >> Work well in linux kernel version 2.6.13.2. > >> > >> Do not act below since change as result that do debugging. > >> "[SCSI] use scatter lists for all block pc requests and > >> simplify hw handlers" > >> - > >> http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=392160335c798bbe94ab3aae6ea0c85d32b81bbc > >> > >> > >> > >> Test and tried your bug patch, but, result is same. > > > > > > I do not think my patch was meant to address your issue :( > > > >> > >> By result that I do debugging, if queuecommand () of LLD layer returns > >> result properly, but execute scsi_probe_lun () -> scsi_execute_req () > >> -> blk_execute_rq () by thing which is not realized to proc/scsi/scsi > >> come out . after execute blk_execute_rq(), then cmd->buffer, > >> cmd->request_buffer is NULL. so, "Model:" in scsi_add_lun() -> > >> print_inquiry() comes out NULL. > > > > > > I am not sure I understand correctly, but I do not think the analysis > > above is completely correct. scsi_execute_req gets a buffer passed to it > > so it should not matter if those fields are set to NULL when > > scsi_execute_req completes as long as something has been copied to the > > buffer passed into scsi_execute_req. > > > >> -------------- > >> Kernel version: 2.6.15-rc5 > >> SATA Controller: Promise SATAII150 TX2Plus > >> SATA HDD: Western Digital 250G x 2 > >> SATA Driver: > >> http://www.promise.com/support/download/download2_eng.asp?productID=126&category=all&os=100# > >> > >> > > > > I am not too familar with SATA. Is this driver in mainline and does it > > use libata? Which module is it? > > I downloaded SATAII150_300_Series_Linux_src of that site and it looks > like it should not assume some commands are scatterlist based and some > are use_sg=0. The driver needs to be updated. > - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
