Hi Tejun! Wednesday 02, at 09:22:51 AM you wrote: > Hello, Davor. > > davor emard wrote: >> Here is capture of the syslog as you requested. >> I have a LG on ide, and pioneer and optiarc on sata (marvell 6145) >> (see my "lsscsi.txt") > > Ah... it's a marvell. MV ahci support is somewhat limited at the moment. > >> First I tried wodim -devices then were lots of ata errors and >> timeouts and after some time wodim printed "wodim-devices-1.txt" >> where it recognized LG and pioneer but not optiarc. >> But next time I run wodim -devices it doesn't >> recognize even pioneer (only IDE LG drive is listed) >> "wodim-devices-2.txt" >> The syslog dump of the above test is in "syslog-devices.txt" >> >> Next I rebooted and tried mounting. >> First I mounted a CD normally on pioneer. Then I ejected >> it from pioneer and inserted into optiarc. >> Interesting that hal daemon printed corrected CD name >> from optiarc. >> But then I tried mounting to optiarc, ata errors appeared and >> mount gave up after long time. >> Then I ejected from optiarc and tried to mount to pioneer >> again but this time pioneer doesn't work either - >> Buffer I/O error on device sr0, logical block 329952 >> See the test in "syslog-mounting.txt" >> >> I also attach my kernel config. I used normal unpatched >> 2.6.24.4 on amd64, I compiled it myself on debian testing > > Yeah, what happens is that the controller somehow doesn't like certain > ATAPI commands (maybe it doesn't really enjoy short or unaligned transfers, > both cases are data-in commands w/ 2 byte buffer). > > The port completely locks up afterwards which is unusual for ahci port and > more unusually it takes the other port on the controller with it. hald > tries to poll the other device and thus the driver issues TUR and ta-da the > port is completely dead already. > > Can you please give a shot at 2.6.25-rc8 and post resulting kernel log? > Buffer aligning / padding support is improved there. > > Thanks. > I'm found simular report but for intel ahci - https://bugzilla.altlinux.org/show_bug.cgi?id=15087 Here is lspci -vvnn output https://bugzilla.altlinux.org/attachment.cgi?id=2543 And the dmesg with timings https://bugzilla.altlinux.org/attachment.cgi?id=2546 The symptoms looks the same except failed ATAPI commands. I don't know it's important or not and may we combine this bugs. It's reproducible with 2.6.24.4 kernel with stock ahci driver. -- WBR et al. -- 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
