It doesn't change with 2.6.31-13-generic #44 - on a EeePC 900A with upgrade
RAM/SSD disk.
For me, It's usualy freeze between fsck and setting up the resolver. And once
again while launching the first session - doesn't matter if it's UNR or not
(I've both setup).
I had to the grub boot line: "clocksource=hpet notsc", It remove me the warning
message abount tsc clock unstable but didn't change anything with stall SSD. I
also remove(edit) from the grub boot line: "quiet splash"
$ dmesg | grep ata2
[ 1.253633] ata2: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0xffa8 irq 15
[ 1.427461] ata2.00: CFA: Patriot Memory 64GB PATA Storage Drive, Ver2.M0G,
max UDMA/66
[ 1.427461] ata2.00: 126090720 sectors, multi 1: LBA
[ 1.440008] ata2.00: configured for UDMA/66
[ 40.809047] ata2: lost interrupt (Status 0x58)
[ 40.809047] ata2: drained 2048 bytes to clear DRQ.
[ 40.811862] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 40.815862] ata2.00: BMDMA stat 0x24
[ 40.818548] ata2.00: cmd c8/00:08:32:51:22/00:00:00:00:00/e0 tag 0 dma 4096
in
[ 40.822958] ata2.00: status: { DRDY DRQ }
[ 40.826958] ata2: soft resetting link
[ 41.000008] ata2.00: configured for UDMA/66
[ 41.000008] ata2: EH complete
[ 232.820015] ata2: lost interrupt (Status 0x58)
[ 232.820081] ata2: drained 8192 bytes to clear DRQ.
[ 232.848018] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 232.848018] ata2.00: BMDMA stat 0x24
[ 232.848018] ata2.00: cmd c8/00:20:ba:72:27/00:00:00:00:00/e0 tag 0 dma 16384
in
[ 232.848018] ata2.00: status: { DRDY DRQ }
[ 232.848018] ata2: soft resetting link
[ 233.020008] ata2.00: configured for UDMA/66
[ 233.020008] ata2: EH complete
[ 273.820016] ata2: lost interrupt (Status 0x58)
[ 273.820089] ata2: drained 6144 bytes to clear DRQ.
[ 273.837834] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 273.843269] ata2.00: BMDMA stat 0x24
[ 273.849571] ata2.00: cmd c8/00:18:da:72:27/00:00:00:00:00/e0 tag 0 dma 12288
in
[ 273.860739] ata2.00: status: { DRDY DRQ }
[ 273.866515] ata2: soft resetting link
[ 274.041007] ata2.00: configured for UDMA/66
[ 274.041007] ata2: EH complete
[ 407.436313] ata2.00: ACPI cmd ef/03:44:00:00:00:a0 filtered out
[ 407.436313] ata2.00: ACPI cmd ef/03:0c:00:00:00:a0 filtered out
[ 407.436313] ata2.00: ACPI cmd c6/00:01:00:00:00:a0 succeeded
[ 407.452005] ata2.00: configured for UDMA/66
[ 407.468005] ata2.00: configured for UDMA/66
[ 407.468005] ata2: EH complete
--
SSD stall during boot
https://bugs.launchpad.net/bugs/445852
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