On Wed, 6 Feb 2008 09:40:15 -0800 (PST) bugme-daemon@xxxxxxxxxxxxxxxxxxx wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=9901 > > Summary: kernel panic in stex modules (?) > Product: IO/Storage > Version: 2.5 > KernelVersion: 2.6.24 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Serial ATA > AssignedTo: jgarzik@xxxxxxxxx > ReportedBy: dairinin@xxxxxxxxx > > > Latest working kernel version: 2.6.23-r6 > Earliest failing kernel version: 2.6.24 > Distribution: Gentoo > Hardware Environment: Core2D E6600, Asus p5B Dlx, 2G DDR2 667, Promise ST > EX4350 > Software Environment: GCC 4.2.3/4.1.2, CFLAGS="-O2" > > Problem Description: > The problem is frequent kernel panics within the same module. Can't say what it > is, but looks like it is related to dma and promise driver. > The first culprit, the memory, is ok, 8 hours of memtest passed without errors. > Before, kernel 2.6.23-gentoo-r6, compiled with GCC 4.1.2 worked just fine, then > after upgrade to 4.2.2 th bug appeared. Upgrade to 2.6.24 didn't solve the > problem. Switching back to GCC 4.1.2 made things better for a moment, crashes > became less frequent and I thought compiler was the cause. But today system > crashed again with same symptoms. > Sorry, but I can't save crash log, so I'll provide screen "shot": > http://img238.imageshack.us/my.php?image=p2030030ki1.jpg > > Steps to reproduce: > Boot, start FTP-server, load RAID with heavy input, in some hours it will > crash. With pure reads system can run several days, heavy write load kills it > much too easier. > The supertrak driver has regressed in 2.6.24. And commit 9cb83c7529d929c00f37d821daed1942a1b20602 Author: FUJITA Tomonori <tomof@xxxxxxx> Date: Tue Oct 16 11:24:32 2007 +0200 [SCSI] add use_sg_chaining option to scsi_host_template looks a likely candidate. And this: commit d3f46f39b7092594b498abc12f0c73b0b9913bde Author: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> Date: Tue Jan 15 11:11:46 2008 -0600 [SCSI] remove use_sg_chaining from 2.6.25 looks to be a likely fix for it. Should it be backported? - 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
