Re: sata_nv + ADMA + Samsung disk problem

2008-01-11 Thread Gabor Gombas
On Mon, Jan 07, 2008 at 06:10:29PM -0600, Robert Hancock wrote: Gabor, I just noticed you said that it worked OK in 2.6.20, yet 2.6.22 fails. 2.6.20 had ADMA support as well, so I wonder what change started causing the problem. Would it be possible for you to do a git bisect (or at

Re: sata_nv + ADMA + Samsung disk problem

2008-01-01 Thread Gabor Gombas
Hi, Just FYI I've tried to enable ADMA again (now running 2.6.24-rc6) but the bug is still present: Jan 1 16:11:21 host kernel: ata7: EH in ADMA mode, notifier 0x0 notifier_error 0x0 gen_ctl 0x1501000 status 0x400 next cpb count 0x0 next cpb idx 0x0 Jan 1 16:11:21 host kernel: ata7: CPB 0:

Re: sata_nv + ADMA + Samsung disk problem

2007-08-16 Thread Gabor Gombas
Hi, On Tue, Aug 14, 2007 at 06:30:28PM +0900, Tejun Heo wrote: Hmmm... That's timeout on cache flush, indicative of failing disk. Please post the result of 'smartctl -a /dev/sdc'. Ok, so something is fishy in 2.6.22 wrt. SMART. First, booting back to 2.6.20.5 I confirmed that SMART works

Re: sata_nv + ADMA + Samsung disk problem

2007-08-14 Thread Gabor Gombas
On Tue, Aug 14, 2007 at 06:30:28PM +0900, Tejun Heo wrote: Hmmm... That's timeout on cache flush, indicative of failing disk. Please post the result of 'smartctl -a /dev/sdc'. Will do when I get home. Note however that this only occurs in ADMA mode. It never occured with 2.6.20 and it never

sata_nv + ADMA + Samsung disk problem

2007-08-08 Thread Gabor Gombas
Hi, Since I have upgraded to 2.6.22.1 from 2.6.20 I have problems with Samsung disks. Sometimes the disks stall for about half a minute and then I have these messages in the logs: Aug 6 20:10:11 twister kernel: ata7: EH in ADMA mode, notifier 0x0 notifier_error 0x0 gen_ctl 0x1501000 status