Date: Wed, 17 Sep 2014 10:39:16 -0500 From: Bryan Drewery <bdrewery@FreeBSD.org> To: current@FreeBSD.org Subject: Re: Cam panic on r271170 Message-ID: <5419AB24.9050809@FreeBSD.org> In-Reply-To: <5418F1B9.2000903@FreeBSD.org> References: <5418F1B9.2000903@FreeBSD.org>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --9rTkdCP9wLjnifF3vaaugJLCEVSIWbxbh Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 9/16/2014 9:28 PM, Bryan Drewery wrote: > I've been getting this quite frequently on head recently. I have dumps > if anyone is interested in more information. >=20 >> Fatal trap 9: general protection fault while in kernel mode >> cpuid =3D 10; Memory modified after free 0xfffff8003e0b0800(2040) >> val=3Dffffffff @ 0xfffff8003e0b0808 >> apanic: Most recently used by CAM CCB >> >> cpuid =3D 6 >> KDB: stack backtrace: >> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame >> 0xfffffe124735b4c0 >> kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe124735b570 >> vpanic() at vpanic+0x189/frame 0xfffffe124735b5f0 >> panic() at panic+0x43/frame 0xfffffe124735b650 >> mtrash_ctor() at mtrash_ctor+0x8a/frame 0xfffffe124735b680 >> uma_zalloc_arg() at uma_zalloc_arg+0x4f1/frame 0xfffffe124735b6f0 >> malloc() at malloc+0x192/frame 0xfffffe124735b740 >> xpt_run_allocq() at xpt_run_allocq+0xb5/frame 0xfffffe124735b780 >> adastrategy() at adastrategy+0x117/frame 0xfffffe124735b7b0 >> g_io_request() at g_io_request+0x3b7/frame 0xfffffe124735b810 >> g_part_start() at g_part_start+0x2b7/frame 0xfffffe124735b890 >> g_io_request() at g_io_request+0x3b7/frame 0xfffffe124735b8f0 >> g_io_request() at g_io_request+0x3b7/frame 0xfffffe124735b950 >> vdev_geom_io_start() at vdev_geom_io_start+0x137/frame 0xfffffe124735b= 970 >> zio_vdev_io_start() at zio_vdev_io_start+0x49f/frame 0xfffffe124735b9d= 0 >> zio_execute() at zio_execute+0x204/frame 0xfffffe124735ba30 >> vdev_queue_io_done() at vdev_queue_io_done+0x180/frame 0xfffffe124735b= a80 >> zio_vdev_io_done() at zio_vdev_io_done+0x11d/frame 0xfffffe124735bac0 >> zio_execute() at zio_execute+0x204/frame 0xfffffe124735bb20 >> taskqueue_run_locked() at taskqueue_run_locked+0xf0/frame >> 0xfffffe124735bb80 >> taskqueue_thread_loop() at taskqueue_thread_loop+0x9b/frame >> 0xfffffe124735bbb0 >> fork_exit() at fork_exit+0x84/frame 0xfffffe124735bbf0 >> fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe124735bbf0 >> --- trap 0, rip =3D 0, rsp =3D 0xfffffe124735bcb0, rbp =3D 0 --- >> KDB: enter: panic >> [ thread pid 0 tid 100571 ] >> Stopped at kdb_enter+0x3e: movq $0,kdb_why >=20 >=20 I also had this one recently: > #8 0xffffffff80d1a162 in calltrap () at /usr/src/sys/amd64/amd64/excep= tion.S:231 > #9 0xffffffff802e52c4 in xpt_path_periph (path=3D0xdeadc0dedeadc0de) a= t /usr/src/sys/cam/cam_xpt.c:3738 > #10 0xffffffff802dfe62 in cam_periph_error (ccb=3D0xfffff8003e0b6000, c= amflags=3DCAM_FLAG_NONE, sense_flags=3D0, save_ccb=3D0x0) at /usr/src/sys= /cam/cam_periph.c:1602 > #11 0xffffffff803057e4 in adadone (periph=3D0xfffff8003e09b700, done_cc= b=3D0xfffff8003e0b6000) at /usr/src/sys/cam/ata/ata_da.c:1877 > #12 0xffffffff802e6e44 in xpt_done_process (ccb_h=3D0xfffff8003e0b6000)= at /usr/src/sys/cam/cam_xpt.c:5245 > #13 0xffffffff80394d59 in ahci_ch_intr_direct (arg=3D<value optimized o= ut>) at /usr/src/sys/dev/ahci/ahci.c:1132 > #14 0xffffffff80390ff1 in ahci_intr (data=3D<value optimized out>) at /= usr/src/sys/dev/ahci/ahci.c:417 > #15 0xffffffff808ea5d3 in intr_event_execute_handlers (p=3D<value optim= ized out>, ie=3D0xfffff8000f725d00) at /usr/src/sys/kern/kern_intr.c:1252= > #16 0xffffffff808eafb6 in ithread_loop (arg=3D0xfffff8000f6dea60) at /u= sr/src/sys/kern/kern_intr.c:1265 > #17 0xffffffff808e7fc4 in fork_exit (callout=3D0xffffffff808eaf10 <ithr= ead_loop>, arg=3D0xfffff8000f6dea60, frame=3D0xfffffe1245083c00) at /usr/= src/sys/kern/kern_fork.c:977 > #18 0xffffffff80d1a69e in fork_trampoline () at /usr/src/sys/amd64/amd6= 4/exception.S:605 --=20 Regards, Bryan Drewery --9rTkdCP9wLjnifF3vaaugJLCEVSIWbxbh Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (MingW32) iQEcBAEBAgAGBQJUGaskAAoJEDXXcbtuRpfP8rEIALSvsK3C9sp3CiO86LzXeYqt VWOwKrr623H9KJb3K0XtEwSy5SpTxpWRrXX4pttjU8BN5tD6jyM7zn9ECH6kU4dP cy9NVPRmL+zc/BXiqmLyZITOWZRs1sDGE6wQ2lS94abXmzY9BDMUqgNuOajbq1ZO WJUR65Nrq2Xb93XW10qa6CDLcCbV2p83ii/CoaxDcMxSo/n47pAnfpclXZGlWviW xDyfBS+iixsX10W28vz89Yq5Y1m86GZgVjO1B+QTb8IR0wxfyimKFBw+df0FRDmb MBscfsNTw0szkWG+dVuuuQlkTi2+K0catomtt2VG2DijUqoPZGcESUrhpCrYMBs= =xJBr -----END PGP SIGNATURE----- --9rTkdCP9wLjnifF3vaaugJLCEVSIWbxbh--
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