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On Wed, Oct 26 2005, Eugene Crosser wrote: > Brett, thanks for quick response. > > >> My hardware is SMP Supermicro with 6 disks on > >> Marvell MV88SX6081 8-port SATA II PCI-X Controller (rev 03) > >> and the sata_mv.c is version 0.25 dated 22 Oct 2005 > >> > >> The thing works with "old" mvsata340 driver, but the "new" kernel with > >> your driver freezes when it starts to probe disks. Even Magic SysRq > >> does not work. The last lines I see on screen are like this: > >> > >> sata_mv version 0.25 > >> ACPI: PCI Interrupt 0000:02:03.0[A] -> GSI 56 (level, low) -> IRQ 185 > >> sata_mv(0000:02:03.0) 32 slots 8 ports unknown mode IRQ via MSI > >> ata1: SATA max UDMA/133 cmd 0x0 ctl 0xF8C22120 bmdma 0x0 irq 185 > >> ata2: .... <same things> 0xF8C24120 ... > >> ... > >> ata8: .... <same thing> 0xF8C38120 ... > >> ATA: abnormal status 0x80 on port 0xF8C2211C > >> ... <five more lines identical to the above> > >> ata1: dev 0 ATA-7, max UDMA/133, 781422768 sectors: LBA48 > >> > >> - and at this point it freezes hard. > >> Any suggestions for me? Any information I can collect to help > >> troubleshooting? > [...] > > In the meantime, try turning off SMP and seeing if that makes a > > difference. There still might be a problem with the spinlocks and if so > > it should go away in uniprocessor mode. > > 'nosmp' makes no difference. Booting with nosmp isn't enough, you need to compile the kernel with CONFIG_SMP turned off. Otherwise the spinlocks will still be used and could cause a hard hang. -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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