On Mon, Dec 27, 2004 at 12:19:11PM +0100, S?ren Schmidt wrote: > Ruslan Ermilov wrote: > > >I don't have a serial console attached here, so below was cut-n-pasted > >by hands: > > > >: ata4-master: FAILURE - ATA_IDENTIFY timed out > >: ata4-master: FAILURE - ATA_IDENTIFY timed out > >: ata4-master: FAILURE - ATA_IDENTIFY timed out > >: Trying to mount root from ufs:/dev/ad0a > >: ata4-master: FAILURE - ATA_IDENTIFY timed out > >: Slab at 0xffffff003d7e1f38, freei 15 = 0. > >: panic: Duplicate free of item 0xffffff003d7e1ca8 from zone > >0xffffff003ffaf500(g_bio) > >: > >: cpuid = 0 > >: KDB: enter: panic > >: [thread pid 3 tid 100029 ] > >: Stopped at kdb_enter+0x2f: nop > >: db> where > >: kdb_enter() at ... > >: panic() at ... > >: uma_dbg_free() at ... > >: uma_zfree_arg() at ... > >: g_disk_done() at ... > >: ad_done() at ... > >: ata_completed() at ... > >: g_io_schedule_up() at ... > >: g_up_procbody() at ... > >: fork_exit() at ... > >: fork_trampoline() at ... > >: --- trap 0, rip = 0, rsp = 0xffffffffa509dd00, rbp = 0 --- > >: db> > > > >A panic can be avoided by reverting the ata-queue.c,v 1.41. > >But even after this, I get ATA_IDENTIFY failures. And as I > >said, reverting to a somewhat earlier version makes it all > >work. > > Hmm, on the exact same controller with two SATA drives on it and stock > current it "just works" (tm) here, I cannot reproduce the problem... > Are you sure its a stock GENERIC kernel with no local mods/patches ? > Yes. This is the Asus SK8N motherboard, but I only have one PATA drive attached to 3rd (PATA) channel; first two channels (SATA) don't have any drives attached. Can you check in this configuration? Cheers, -- Ruslan Ermilov ru_at_FreeBSD.org FreeBSD committer
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