Re: Linux-2.6.13-rc6: aic7xxx testers please..

2005-08-11 Thread Philipp Matthias Hahn
Hello! On Sun, Aug 07, 2005 at 11:47:53AM -0700, Linus Torvalds wrote: James and gang found the aic7xxx slowdown that happened after 2.6.12, and we'd like to get particular testing that it's fixed, so if you have a relevant machine, please do test this. I just tried 2.6.13-rc6 after my last

Re: Linux-2.6.13-rc6: aic7xxx testers please..

2005-08-10 Thread John Stoffel
Hi James, As a test, I dropped back to 2.6.12.1 and the drive hung again last night while trying to do backups, so I suspect that I might have controller or tape drive problems of some sort. I'll also try to go back to 2.6.12-rc6 as well and see how that works out. My next step is to try and

Re: Linux-2.6.13-rc6: aic7xxx testers please..

2005-08-10 Thread James Bottomley
On Wed, 2005-08-10 at 11:28 -0400, John Stoffel wrote: Is there any more info I can provide here for you? dmesg output? Here's the latest output from dmesg with the lockup of the drive, which takes a power cycle to clear now. Well, I suspect the tape is hanging the bus, from which no card can

Re: Linux-2.6.13-rc6: aic7xxx testers please..

2005-08-10 Thread John Stoffel
James Well, I suspect the tape is hanging the bus, from which no card James can recover. Blech, not going to be fun to fix this sucker. James Just to test this, can you try sending a bus reset with sgutils (from James the debain package sg3-utils): James sg_reset -b /dev/sg3 James Then remove

Re: Linux-2.6.13-rc6: aic7xxx testers please..

2005-08-10 Thread John Stoffel
Hi James, Dropped back to 2.6.11.1 and it hung again. I was able to get the drive back by power cycling it and then doing the scsiadd to drop and re-add the drive. I then used the bacula 'btape' tool to run some tests. It seems to be just fine with regular files, but when it hit EOM, all hell

Re: Linux-2.6.13-rc6: aic7xxx testers please..

2005-08-09 Thread John Stoffel
Hi Linus James, I've still got problems under 2.6.13-rc6 with my DLT7000 drive on an AIC7880 builtin controller. Here's the message I got in dmesg. My system is a heavily upgraded Debian/unstable with dual 550mhz Xeon processors and 768mb of RAM, dual SCSI busses. The annoying problem is

Re: Linux-2.6.13-rc6: aic7xxx testers please..

2005-08-09 Thread James Bottomley
On Tue, 2005-08-09 at 15:35 -0400, John Stoffel wrote: Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: COMPAQ Model: HC01841729 Rev: 3208 Type: Direct-AccessANSI SCSI revision: 02 Host: scsi0 Channel: 00 Id: 01 Lun: 00 Vendor: COMPAQ

Re: Linux-2.6.13-rc6: aic7xxx testers please..

2005-08-09 Thread John Stoffel
James == James Bottomley [EMAIL PROTECTED] writes: Thank you for looking into this with me, I really appreciate it. I'm kinda stumped why this suddenly started happening, but it could be hardware related of course... James So basically the problem is on scsi1 with the tape device, which James

Re: Linux-2.6.13-rc6: aic7xxx testers please..

2005-08-09 Thread James Bottomley
On Tue, 2005-08-09 at 16:12 -0400, John Stoffel wrote: Thank you for looking into this with me, I really appreciate it. I'm kinda stumped why this suddenly started happening, but it could be hardware related of course... Well ... there's something going on that your posted dmesg's don't seem