http://bugzilla.kernel.org/show_bug.cgi?id=14583 Summary: SSD system stall, HSM Violation Product: IO/Storage Version: 2.5 Kernel Version: 2.6.31 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: IDE AssignedTo: io_ide@xxxxxxxxxxxxxxxxxxxx ReportedBy: andrewnz.simpson@xxxxxxxxx CC: tj@xxxxxxxxxx Regression: Yes Created an attachment (id=23737) --> (http://bugzilla.kernel.org/attachment.cgi?id=23737) dmesg Bug occurring in Ubuntu 9.10 with SSD units, mainly reported in Acer Aspire One, EEE and Dell Mini 9. Occurs always on boot and randomly during use. Mainly reported by users that have physically upgraded the SSD unit to a newer/larger unit. Also reported by some users with original factory SSD. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/445852 [ 112.816122] ata2: lost interrupt (Status 0x58) [ 112.820088] ata2: drained 2048 bytes to clear DRQ. [ 112.824067] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen [ 112.824084] ata2.00: BMDMA stat 0x4 [ 112.824117] ata2.00: cmd c8/00:08:87:d4:8e/00:00:00:00:00/e1 tag 0 dma 4096 in [ 112.824123] res 58/00:08:87:d4:8e/00:00:00:00:00/e1 Emask 0x2 (HSM violation) [ 112.824138] ata2.00: status: { DRDY DRQ } [ 112.824200] ata2: soft resetting link [ 112.992538] ata2.00: configured for UDMA/100 [ 112.992581] ata2: EH complete The bug is typified by command C8h with response 58h as above. No reports of problem with Ubuntu 9.04 (2.6.28) on same hardware. I have found that booting with libata.dma=0 forces mode PIO4 and the bug does not show. Booting with libata.force=udma/33 reduces bus speed, but bug still occurs. The attached files are from booting LiveCD (on a USB stick): dmesg.txt (dmesg output) kern.log lspci.txt (lspci -nn) dmesg_libata.dma-0.txt (dmesg with libata.dma=0 ) dmesg_libata.force-udma33.txt (dmesg with libata.force=udma/33) The following file is from booting Ubuntu 9.04 on the SSD unit: dmesg_2.6.28-kernel.txt -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. -- 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
