Hi there, Thomas Renninger <trenn@xxxxxxx> wrote: > Hi, > > I expect this is more a ata/ahci or chipset problem (this is ICH7, > right?), maybe ide list has an idea or has seen something similar > already? [...] > On Tue, 2008-04-08 at 15:27 +0200, Peter Gervai wrote: [...] >> Kernel: vanilla, released 2.6.24.* (right now .2, doesn't seem to matter) >> Hw: board Intel D945PVS, cpu Intel(R) Pentium(R) D CPU 3.00GHz (Type 0, Family >> 15, Model 6, Stepping 2), ram 2G, 2 SATA HDD (AHCI), 1 IDE HDD, 1 DVDROM, usb >> mouse, onboard e1000 eth, onboard intel HDA sound, NVidia 8400 GS, madwifi >> driven pci card. [...] >> >> The machine started to "freeze" daily/2-3 daily, somwehere around the >> upgrade to 2.6.24 [...] >> >> The freeze occurs under Xwindow and usually goes the way that mouse became >> _extremely_ jerky, cpu load goes up and usege on both cores top 100%, often the >> hdd led stays lit. (That's why I started to blame sata/disks first.) >> >> While the mouse works (kind of), the system isn't usable, and dies instantly >> (hard freeze) if I try to switch to console (by any means, including UnRaw/SAK >> sysrq combinations). I wonder whether this could be related to an issue I brought up several weeks ago. See [1] for a summary of the thread. If you're alright with patching and compiling, you might give the following patch a try. Hope that helps, Elias [1] <http://permalink.gmane.org/gmane.linux.ide/28348>
--- drivers/ata/libata-scsi.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index df25aa4..5bc33a0 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -823,7 +823,7 @@ static void ata_scsi_sdev_config(struct scsi_device *sdev) * prevent SCSI midlayer from automatically deferring * requests. */ - sdev->max_device_blocked = 1; + sdev->max_device_blocked = 2; } static void ata_scsi_dev_config(struct scsi_device *sdev, @@ -3204,7 +3204,7 @@ int ata_scsi_add_hosts(struct ata_host *host, struct scsi_host_template *sht) * Set host_blocked to 1 to prevent SCSI midlayer from * automatically deferring requests. */ - shost->max_host_blocked = 1; + shost->max_host_blocked = 2; rc = scsi_add_host(ap->scsi_host, ap->host->dev); if (rc)
