Hi Tejun
just a quick update from my side: I did patch the rc5 kernel yesterday
(I am aware that there is a newer one but when you sent the patch, rc5
was recent so I wanted to be on the safe side). There is a little typo
on the "dma_boundary" line, the trailing comma is missing. But other
than that, the patching went smoothly. Since then I reboot whenever I
can. So far 15-20 times and no issue up until now. I will keep rebooting
very often for the next days and keep you posted.
best regards
Carolin
On 02.03.2016 16:25, Tejun Heo wrote:
Hello, Carolin.
On Wed, Mar 02, 2016 at 09:46:36AM +0100, Carolin Latze wrote:
please see attached screen capture. If there is any better way to capture
those logs than taking pictures, please let me know
Heh, so there have been quite a few cases where device locks up after
a lot of NCQ commands are issued and/or data transfer is taking place
at high rate but device locking up on plain WRITE_DMA_EXT is pretty
new. Hmmm.... Does the following patch make any difference?
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 45586c1..95c4d5c 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -366,8 +366,8 @@ extern struct device_attribute *ahci_sdev_attrs[];
#define AHCI_SHT(drv_name) \
ATA_NCQ_SHT(drv_name), \
.can_queue = AHCI_MAX_CMDS - 1, \
- .sg_tablesize = AHCI_MAX_SG, \
- .dma_boundary = AHCI_DMA_BOUNDARY, \
+ .sg_tablesize = LIBATA_MAX_PRD, \
+ .dma_boundary = ATA_DMA_BOUNDARY \
.shost_attrs = ahci_shost_attrs, \
.sdev_attrs = ahci_sdev_attrs
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