I don't know what is causing the PCI parity errors but that doesn't look
good...perhaps there is something amiss in BIOS - perhaps the best thing
you can do is to remove all forced assignments in BIOS and let PCI & the
OS handle interrupts.

anyway, the command was to 'tail -n 20 dmesg' which as you found out
didn't work

this does work though...

dmesg|tail -n 20

Craig

On Sun, 2006-11-05 at 22:23 -0700, Michael Havens wrote:
> On Sunday 05 November 2006 8:00 pm, Craig White wrote:
> > sudo tail -n 20 dmesg
> 
> 1- bmike1@0[src]$ cd /media
> 2- bmike1@0[media]$ ls
> 3- cdrom  floppy
> 4- bmike1@0[media]$ ls
> 5- cdrom  floppy
> 6- bmike1@0[media]$ ls
> 5- cdrom  floppy
> 6- bmike1@0[media]$    
> 
> line 2- baseline
> line 4- after plug camera in
> line 6- after press sync button
> 
> first dmesg- baseline
> second dmesg- plugged in
> third dmesg - sync pressed
> 
> bmike1@0[media]$ sudo dmesg -n 20
> klogctl: Invalid argument
> bmike1@0[media]$ man dmesg <-s = buffer size>
> bmike1@0[media]$ dmesg -s 20
> a Parity Error Detected during address or write data phase
> [17211199.116000] scsi0: WARNING WARNING WARNING WARNING
> [17211199.116000] scsi0: Too many PCI parity errors observed as a target.
> [17211199.116000] scsi0: Some device on this bus is generating bad parity.
> [17211199.116000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211199.116000] scsi0: PCI parity error checking has been disabled.
> [17211199.116000] scsi0: WARNING WARNING WARNING WARNING
> [17211233.060000] scsi0: PCI error Interrupt at seqaddr = 0x8
> [17211233.060000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211233.060000] scsi0: WARNING WARNING WARNING WARNING
> [17211233.060000] scsi0: Too many PCI parity errors observed as a target.
> [17211233.060000] scsi0: Some device on this bus is generating bad parity.
> [17211233.060000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211233.060000] scsi0: PCI parity error checking has been disabled.
> [17211233.060000] scsi0: WARNING WARNING WARNING WARNING
> [17211276.204000] scsi0: PCI error Interrupt at seqaddr = 0x7
> [17211276.204000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211276.204000] scsi0: WARNING WARNING WARNING WARNING
> [17211276.204000] scsi0: Too many PCI parity errors observed as a target.
> [17211276.204000] scsi0: Some device on this bus is generating bad parity.
> [17211276.204000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211276.204000] scsi0: PCI parity error checking has been disabled.
> [17211276.204000] scsi0: WARNING WARNING WARNING WARNING
> [17211298.168000] scsi0: PCI error Interrupt at seqaddr = 0x7
> [17211298.168000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211298.168000] scsi0: WARNING WARNING WARNING WARNING
> [17211298.168000] scsi0: Too many PCI parity errors observed as a target.
> [17211298.168000] scsi0: Some device on this bus is generating bad parity.
> [17211298.168000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211298.168000] scsi0: PCI parity error checking has been disabled.
> [17211298.168000] scsi0: WARNING WARNING WARNING WARNING
> [17211350.512000] scsi0: PCI error Interrupt at seqaddr = 0x8
> [17211350.512000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211350.512000] scsi0: WARNING WARNING WARNING WARNING
> [17211350.512000] scsi0: Too many PCI parity errors observed as a target.
> [17211350.512000] scsi0: Some device on this bus is generating bad parity.
> [17211350.512000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211350.512000] scsi0: PCI parity error checking has been disabled.
> [17211350.512000] scsi0: WARNING WARNING WARNING WARNING
> [17211383.680000] scsi0: PCI error Interrupt at seqaddr = 0x9
> [17211383.680000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211383.680000] scsi0: WARNING WARNING WARNING WARNING
> [17211383.680000] scsi0: Too many PCI parity errors observed as a target.
> [17211383.680000] scsi0: Some device on this bus is generating bad parity.
> [17211383.680000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211383.680000] scsi0: PCI parity error checking has been disabled.
> [17211383.680000] scsi0: WARNING WARNING WARNING WARNING
> [17211408.232000] scsi0: PCI error Interrupt at seqaddr = 0x9
> [17211408.232000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211408.232000] scsi0: WARNING WARNING WARNING WARNING
> [17211408.232000] scsi0: Too many PCI parity errors observed as a target.
> [17211408.232000] scsi0: Some device on this bus is generating bad parity.
> [17211408.232000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211408.232000] scsi0: PCI parity error checking has been disabled.
> [17211408.232000] scsi0: WARNING WARNING WARNING WARNING
> 
> bmike1@0[media]$ dmesg -s 20
> a Parity Error Detected during address or write data phase
> [17211199.116000] scsi0: WARNING WARNING WARNING WARNING
> [17211199.116000] scsi0: Too many PCI parity errors observed as a target.
> [17211199.116000] scsi0: Some device on this bus is generating bad parity.
> [17211199.116000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211199.116000] scsi0: PCI parity error checking has been disabled.
> [17211199.116000] scsi0: WARNING WARNING WARNING WARNING
> [17211233.060000] scsi0: PCI error Interrupt at seqaddr = 0x8
> [17211233.060000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211233.060000] scsi0: WARNING WARNING WARNING WARNING
> [17211233.060000] scsi0: Too many PCI parity errors observed as a target.
> [17211233.060000] scsi0: Some device on this bus is generating bad parity.
> [17211233.060000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211233.060000] scsi0: PCI parity error checking has been disabled.
> [17211233.060000] scsi0: WARNING WARNING WARNING WARNING
> [17211276.204000] scsi0: PCI error Interrupt at seqaddr = 0x7
> [17211276.204000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211276.204000] scsi0: WARNING WARNING WARNING WARNING
> [17211276.204000] scsi0: Too many PCI parity errors observed as a target.
> [17211276.204000] scsi0: Some device on this bus is generating bad parity.
> [17211276.204000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211276.204000] scsi0: PCI parity error checking has been disabled.
> [17211276.204000] scsi0: WARNING WARNING WARNING WARNING
> [17211298.168000] scsi0: PCI error Interrupt at seqaddr = 0x7
> [17211298.168000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211298.168000] scsi0: WARNING WARNING WARNING WARNING
> [17211298.168000] scsi0: Too many PCI parity errors observed as a target.
> [17211298.168000] scsi0: Some device on this bus is generating bad parity.
> [17211298.168000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211298.168000] scsi0: PCI parity error checking has been disabled.
> [17211298.168000] scsi0: WARNING WARNING WARNING WARNING
> [17211350.512000] scsi0: PCI error Interrupt at seqaddr = 0x8
> [17211350.512000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211350.512000] scsi0: WARNING WARNING WARNING WARNING
> [17211350.512000] scsi0: Too many PCI parity errors observed as a target.
> [17211350.512000] scsi0: Some device on this bus is generating bad parity.
> [17211350.512000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211350.512000] scsi0: PCI parity error checking has been disabled.
> [17211350.512000] scsi0: WARNING WARNING WARNING WARNING
> [17211383.680000] scsi0: PCI error Interrupt at seqaddr = 0x9
> [17211383.680000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211383.680000] scsi0: WARNING WARNING WARNING WARNING
> [17211383.680000] scsi0: Too many PCI parity errors observed as a target.
> [17211383.680000] scsi0: Some device on this bus is generating bad parity.
> [17211383.680000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211383.680000] scsi0: PCI parity error checking has been disabled.
> [17211383.680000] scsi0: WARNING WARNING WARNING WARNING
> [17211408.232000] scsi0: PCI error Interrupt at seqaddr = 0x9
> [17211408.232000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211408.232000] scsi0: WARNING WARNING WARNING WARNING
> [17211408.232000] scsi0: Too many PCI parity errors observed as a target.
> [17211408.232000] scsi0: Some device on this bus is generating bad parity.
> [17211408.232000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211408.232000] scsi0: PCI parity error checking has been disabled.
> [17211408.232000] scsi0: WARNING WARNING WARNING WARNING
> 
> bmike1@0[media]$ dmesg -s 20
> a Parity Error Detected during address or write data phase
> [17211233.060000] scsi0: WARNING WARNING WARNING WARNING
> [17211233.060000] scsi0: Too many PCI parity errors observed as a target.
> [17211233.060000] scsi0: Some device on this bus is generating bad parity.
> [17211233.060000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211233.060000] scsi0: PCI parity error checking has been disabled.
> [17211233.060000] scsi0: WARNING WARNING WARNING WARNING
> [17211276.204000] scsi0: PCI error Interrupt at seqaddr = 0x7
> [17211276.204000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211276.204000] scsi0: WARNING WARNING WARNING WARNING
> [17211276.204000] scsi0: Too many PCI parity errors observed as a target.
> [17211276.204000] scsi0: Some device on this bus is generating bad parity.
> [17211276.204000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211276.204000] scsi0: PCI parity error checking has been disabled.
> [17211276.204000] scsi0: WARNING WARNING WARNING WARNING
> [17211298.168000] scsi0: PCI error Interrupt at seqaddr = 0x7
> [17211298.168000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211298.168000] scsi0: WARNING WARNING WARNING WARNING
> [17211298.168000] scsi0: Too many PCI parity errors observed as a target.
> [17211298.168000] scsi0: Some device on this bus is generating bad parity.
> [17211298.168000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211298.168000] scsi0: PCI parity error checking has been disabled.
> [17211298.168000] scsi0: WARNING WARNING WARNING WARNING
> [17211350.512000] scsi0: PCI error Interrupt at seqaddr = 0x8
> [17211350.512000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211350.512000] scsi0: WARNING WARNING WARNING WARNING
> [17211350.512000] scsi0: Too many PCI parity errors observed as a target.
> [17211350.512000] scsi0: Some device on this bus is generating bad parity.
> [17211350.512000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211350.512000] scsi0: PCI parity error checking has been disabled.
> [17211350.512000] scsi0: WARNING WARNING WARNING WARNING
> [17211383.680000] scsi0: PCI error Interrupt at seqaddr = 0x9
> [17211383.680000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211383.680000] scsi0: WARNING WARNING WARNING WARNING
> [17211383.680000] scsi0: Too many PCI parity errors observed as a target.
> [17211383.680000] scsi0: Some device on this bus is generating bad parity.
> [17211383.680000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211383.680000] scsi0: PCI parity error checking has been disabled.
> [17211383.680000] scsi0: WARNING WARNING WARNING WARNING
> [17211408.232000] scsi0: PCI error Interrupt at seqaddr = 0x9
> [17211408.232000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211408.232000] scsi0: WARNING WARNING WARNING WARNING
> [17211408.232000] scsi0: Too many PCI parity errors observed as a target.
> [17211408.232000] scsi0: Some device on this bus is generating bad parity.
> [17211408.232000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211408.232000] scsi0: PCI parity error checking has been disabled.
> [17211408.232000] scsi0: WARNING WARNING WARNING WARNING
> [17211451.860000] scsi0: PCI error Interrupt at seqaddr = 0x8
> [17211451.860000] scsi0: Data Parity Error Detected during address or write 
> data phase
> [17211451.860000] scsi0: WARNING WARNING WARNING WARNING
> [17211451.860000] scsi0: Too many PCI parity errors observed as a target.
> [17211451.860000] scsi0: Some device on this bus is generating bad parity.
> [17211451.860000] scsi0: This is an error *observed by*, not *generated by*, 
> this controller.
> [17211451.860000] scsi0: PCI parity error checking has been disabled.
> [17211451.860000] scsi0: WARNING WARNING WARNING WARNING
> bmike1@0[media]$          
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