Messages in this thread Patch in this message | | | Date | Fri, 11 Jul 2003 10:28:17 +0200 | From | Jens Axboe <> | Subject | Re: 2.5.75 does not boot - TCQ oops |
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On Fri, Jul 11 2003, Jens Axboe wrote: > On Thu, Jul 10 2003, Ivan Gyurdiev wrote: > > See, > > > > http://www.ussg.iu.edu/hypermail/linux/kernel/0307.0/0515.html > > > > where the bug is described for 2.5.74. > > I got no replies, and the bug persists in 2.5.75 (+bk patches). > > > > Note: > > The machine boots with TASKFILE on, TCQ is causing the problem. > > Looks like IDE using the queue before it has been setup, probably Bart > broke it when he moved the TCQ init around. I'll take a look.
Here's the fix. Bart, you moved the tcq init to a much earlier fase (saying ide_init_drive() was too early, well ide_dma_on is much earlier in the init fase). ide_init_drive() _is_ the correct location in my oppinion, drive and queue has been set up at this point.
--- drivers/ide/ide-dma.c~ 2003-07-11 10:21:04.492561920 +0200 +++ drivers/ide/ide-dma.c 2003-07-11 10:25:28.183474808 +0200 @@ -572,10 +572,6 @@ if (HWIF(drive)->ide_dma_host_on(drive)) return 1; -#ifdef CONFIG_BLK_DEV_IDE_TCQ_DEFAULT - HWIF(drive)->ide_dma_queued_on(drive); -#endif - return 0; } --- drivers/ide/ide-probe.c~ 2003-07-11 10:06:54.036850840 +0200 +++ drivers/ide/ide-probe.c 2003-07-11 10:25:30.884064256 +0200 @@ -945,6 +945,10 @@ static void ide_init_drive(ide_drive_t *drive) { ide_toggle_bounce(drive, 1); + +#ifdef CONFIG_BLK_DEV_IDE_TCQ_DEFAULT + HWIF(drive)->ide_dma_queued_on(drive); +#endif } /* -- Jens Axboe
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