star quitting when changing tapes

I'm having the same problem with star dying after swapping a tape.  It seems to be a kernel/star issue.  I upgraded the Linux kernel to 2.6.16.20, and star failed.  When I switched back to 2.6.15.6, star worked again.  With 2.6.16.20, star works fine if the backup doesn't span a tape.  I also tried 2.6.16.19, 2.6.16.18, and 2.6.16.16.  They all fail on the second tape.

You can see the first 256k is written properly, but the next 256k block fails, and star gives up the ghost.  Here's an strace of star's child process right after the tape has been swapped:

Process 24546 attached - interrupt to quit
waitpid(10463, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0) = 10463
rt_sigaction(SIGINT, {0x8050202, [], SA_RESTART}, NULL, 8) = 0
rt_sigaction(SIGQUIT, {0x805023b, [], SA_RESTART}, NULL, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
stat64("/dev/nst0", {st_mode=S_IFCHR|0660, st_rdev=makedev(9, 128), ...}) = 0
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)
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xabd6b000
_llseek(4, 0, [0], SEEK_CUR)            = 0
munmap(0xabd6b000, 4096)                = 0
fstat64(4, {st_mode=S_IFCHR|0660, st_rdev=makedev(9, 128), ...}) = 0
open("/etc/passwd", O_RDONLY)           = 5
fcntl64(5, F_GETFD)                     = 0
fcntl64(5, F_SETFD, FD_CLOEXEC)         = 0
fstat64(5, {st_mode=S_IFREG|0644, st_size=2625, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xabd6b000
read(5, "root:x:0:0:root:/root:/bin/tcsh\n"..., 4096) = 2625
close(5)                                = 0
munmap(0xabd6b000, 4096)                = 0
open("/etc/group", O_RDONLY)            = 5
fcntl64(5, F_GETFD)                     = 0
fcntl64(5, F_SETFD, FD_CLOEXEC)         = 0
fstat64(5, {st_mode=S_IFREG|0644, st_size=979, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xabd6b000
read(5, "root:x:0:root\nbin:x:1:root,bin,d"..., 4096) = 979
close(5)                                = 0
munmap(0xabd6b000, 4096)                = 0
write(4, "././@PaxHeader\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 262144) = 262144
write(4, "Yk\266\32c\320\226\317\22U\371b\273A\336n\4\253U\322\361"..., 262144) = -1 EBUSY (Device or resource busy)
write(2, "/usr/local/bin/star: Device or r"..., 73) = 73
close(3)                                = 0
close(6)                                = 0
exit_group(16)                          = ?
Process 24546 detached



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