Re: Kernel panic on FreeBSD 10.0-CURRENT amd64

On Tue, Mar 5, 2013 at 8:03 PM, Adam Kirchhoff
<adam.k.kirchhoff_at_gmail.com>wrote:

> I have recently installed 9.1 and attempted to upgrade to 10.0-CURRENT
> yesterday (largely in an effort to test the new radeon DRM code).
> Unfortunately, upon rebooting, I am left at kernel debugger prompt:
>
> cd0 at ata0 bus 0 scbus0 target 1 lun 0
> cd0: <TSSTcorp CD-ROM  TS-H192C DE00> Removable CD-ROM SCSI-0 device
> cd0: 33.300MB/s transfers (UDMA2, ATAPI 12bytes, PIO 65534bytes)
> cd0: Attempt to query device size failed: NOT READY, Medium not
> present - tray closed
> panic: g_read_data(): invalid length 0
> cpuid = 0
> KDB: enter: panic
> [ thread pid 13 tid 100014 ]
> Stopped at      kdb_enter+0x3e: movq    $0,kdb_why
> db> bt
> Tracing pid 13 tid 100014 td 0xfffffe0002957490
> kdb_enter() at kdb_enter+0x3e/frame 0xffffff800026a960
> vpanic() at vpanic+0x147/frame 0xffffff800026a9a0
> kassert_panic() at kassert_panic+0x136/frame 0xffffff800026aa10
> g_read_data() at g_read_data+0x45/frame 0xffffff800026aa50
> g_label_ntfs_taste() at g_label_ntfs_taste+0xde/frame 0xffffff800026aa90
> g_label_taste() at g_label_taste+0x37b/frame 0xffffff800026ab60
> g_new_provider_event() at g_new_provider_event+0xda/frame
> 0xffffff800026ab80
> g_run_events() at g_run_events+0x167/frame 0xffffff800026abb0
> fork_exit() at fork_exit+0x84/frame 0xffffff800026abf0
> fork_trampoline() at fork_trampoline+0xe/frame 0xffffff800026abf0
> --- trap 0, rip = 0, rsp = 0xffffff800026acb0, rbp = 0 ---
>
> I'm no expert, but it appears to be  related to the NTFS partition I
> have on a separate hard drive.
>
> Any ideas what the problem might be or how to debug this further?
>
> Adam
> _______________________________________________
> freebsd-current_at_freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"
>

This sounds like something that was just fixed today.  Do you have r247837?

http://svnweb.freebsd.org/changeset/base/247837