Marcus Haebler wrote: > I opened a bug report (228979) on bugzilla.redhat.com on this one because > I have the same issue under FC6 2.6.19-1.2895. Here is the link: > > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=228979 > > Do you have any more updates on this problem? Is there a way I can help > by providing debug data? > > Thanks, > > Marcus > > On 1/23/07, Tejun Heo wrote: >> Pablo Sebastian Greco wrote: >> > Well, it took me a few days, but I think I'm ready to report back. >> One >> > of the drives was failing, and it stopped after rewiring power >> supply so >> > the last problem seems to be corrected. >> > OTOH, your blacklist seems to be needed too, now I'm running FC6 >> > distribution kernel 2.6.19-1.2895.fc6 (2.6.19.2 + some patches by >> > fedora) and setting >> > echo 1 >/sys/block/sdX/device/queue_depth >> > on all the SAMSUNG drives (sdb, sdc and sdd) >> > The second I type >> > echo 31 >/sys/block/sdX/device/queue_depth >> > on any of the drives I get these messages >> > >> > Jan 23 12:36:30 squid kernel: BUG: warning: (ap->ops->error_handler && >> > ata_tag_valid(ap->active_tag)) at >> > drivers/ata/libata-core.c:4602/ata_qc_issue() (Not ta >> > inted) >> >> This is kernel bug that needs fixing. I'll investigate. >> >> -- >> tejun >> - >> To unsubscribe from this list: send the line "unsubscribe >> linux-kernel" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ >> >> >> > On my side, all the problems dissapeared on all the kernels after changing all 3 drives to non-NCQ drives, I was going crazy. New dmesg attached Pablo.