Re: star quitting when changing tapes

open("/dev/nst0", O_RDWR|O_CREAT|O_LARGEFILE, 0666) = 4
fcntl64(4, F_GETFL)                     = 0x8002 (flags O_RDWR|O_LARGEFILE)
fstat64(4, {st_mode=S_IFCHR|0660, st_rdev=makedev(9, 128), ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE or TCGETS, 0xbfa0b804) = -1 EINVAL (Invalid argument)

Joerg, can you point me to where in the code this ioctl is sent?  A kernel guy I emailed said this might be sending something that's screwing up the new st.c driver.  If this is causing an error to occur (REQUEST SENSE, ASC/ASCQ kind of error), the driver won't know about it until the next I/O is done.  At that point, the driver will block waiting for someone to read the additional error codes, thus causing the EBUSY.  I know EBUSY should never happen on a write(2), and he agrees.  I need to do more troubleshooting, and disabling this ioctl command is the first step.

Thanks.

-Dan


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