Hi! > > > Thinkpad X60. > > > > Hmm, but with -rc8, I actually got some useful info: > > > > kjournald starting. Commit interval 5 seconds > > EXT3-fs: mounted filesystem with ordered data mode. > > VFS: Mounted root (ext3 filesystem) readonly. > > debug: unmapping init memory c099f000..c09ef000 > > Write protecting the kernel text: 5320k > > Write protecting the kernel read-only data: 1916k > > Failed to execute /tmp/swsusp-init. Attempting defaults... > > EXT3 FS on sda4, internal journal > > Adding 987988k swap on /dev/sda1. Priority:-1 extents:1 across:987988k > > kjournald starting. Commit interval 5 seconds > > EXT3 FS on sda2, internal journal > > EXT3-fs: mounted filesystem with ordered data mode. > > pcmcia: Detected deprecated PCMCIA ioctl usage from process: hwclock. > > pcmcia: This interface will soon be removed from the kernel; please expect breakage unless you upgrade to new tools. > > pcmcia: see http://www.kernel.org/pub/linux/utils/kernel/pcmcia/pcmcia.html for details. > > eth0: Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX > > coda_read_super: Bad mount data > > coda_read_super: device index: 0 > > coda_read_super: rootfid is (01234567.ffffffff.08051a38.00000000) > > coda: Unexpected interruption. > > Failure of coda_cnode_make for root: error -4 > > pccard: PCMCIA card inserted into slot 0 > > cs: memory probe 0x0c0000-0x0fffff: excluding 0xc0000-0xd3fff 0xdc000-0xfffff > > cs: memory probe 0x60000000-0x60ffffff: excluding 0x60000000-0x60ffffff > > cs: memory probe 0xe0000000-0xe3ffffff: excluding 0xe0000000-0xe3ffffff > > cs: memory probe 0xe4300000-0xe7ffffff: excluding 0xe4300000-0xe46cffff 0xe4e70000-0xe523ffff 0xe5db0000-0xe617ffff 0xe6cf0000-0xe70bffff > > pcmcia: registering new device pcmcia0.0 > > Probing IDE interface ide1... > > hdc: SunDisk SDP3B-20, CFA DISK drive > > hdd: SunDisk SDP3B-20, CFA DISK drive > > ide-probe: ignoring undecoded slave > > ide1 at 0x9100-0x9107,0x910e on irq 16 > > hdc: max request size: 128KiB > > hdc: 40960 sectors (20 MB) w/1KiB Cache, CHS=640/2/32 > > hdc:hdc: set_geometry_intr: status=0x51 { DriveReady SeekComplete Error } > > hdc: set_geometry_intr: error=0x04 { DriveStatusError } > > ide: failed opcode was: unknown > > hdc1 hdc3 > > ide-cs: hdc: Vpp = 0.0 > > Clocksource tsc unstable (delta = -68835537 ns) > > pccard: card ejected from slot 0 > > INFO: task pccardd:1121 blocked for more than 120 seconds. > > "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > > pccardd D f6dd1e1c 0 1121 2 > > f6dd1e30 00000086 00000002 f6dd1e1c f6dd1e10 00000000 c2015e80 c2015e80 > > c09113e0 00000286 00000286 f72d13b8 f72d1618 c2015e80 f6dd0000 f6afedc0 > > ffff03a9 f6bcb458 00000000 c02bd187 00000000 f6dd1e4c 00000003 00000000 > > Call Trace: > > [<c02bd187>] sysfs_addrm_finish+0x1a7/0x1e0 > > [<c072edec>] schedule_timeout+0x7c/0xd0 > > [<c02bd1e7>] remove_dir+0x27/0x40 > > [<c0730b9a>] _spin_lock_irq+0x2a/0x40 > > [<c072e240>] wait_for_common+0xc0/0x130 > > [<c021f5c0>] default_wake_function+0x0/0x10 > > [<c04d489f>] ide_unregister+0xcf/0x150 > > [<c04e5671>] ide_release+0x21/0x40 > > [<c04e56b9>] ide_detach+0x29/0x80 > > [<c0520146>] pcmcia_device_remove+0x36/0xe0 > > [<c0423116>] __device_release_driver+0x56/0x90 > > [<c0423210>] device_release_driver+0x20/0x40 > > [<c04225bb>] bus_remove_device+0x6b/0x90 > > [<c04210cf>] device_del+0xcf/0x140 > > [<c0421148>] device_unregister+0x8/0x10 > > [<c051fb7c>] pcmcia_card_remove+0x6c/0x80 > > [<c0520a34>] ds_event+0x64/0xb0 > > [<c051c12f>] pccardd+0x16f/0x2a0 > > [<c051b7fb>] send_event+0x4b/0x80 > > [<c051ba6b>] socket_shutdown+0xb/0xd0 > > [<c051bb4c>] socket_remove+0x1c/0x30 > > [<c051c1fe>] pccardd+0x23e/0x2a0 > > [<c021f5c0>] default_wake_function+0x0/0x10 > > [<c051bfc0>] pccardd+0x0/0x2a0 > > [<c023c3f2>] kthread+0x42/0x70 > > [<c023c3b0>] kthread+0x0/0x70 > > [<c02047ab>] kernel_thread_helper+0x7/0x1c > > [<c04216f2>] device_create_vargs+0x42/0xd0 > > ======================= > > no locks held by pccardd/1121. > > INFO: task pccardd:1121 blocked for more than 120 seconds. > > "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > > pccardd D f6dd1e1c 0 1121 2 > > f6dd1e30 00000086 00000002 f6dd1e1c f6dd1e10 00000000 c2015e80 c2015e80 > > c09113e0 00000286 00000286 f72d13b8 f72d1618 c2015e80 f6dd0000 f6afedc0 > > ffff03a9 f6bcb458 00000000 c02bd187 00000000 f6dd1e4c 00000003 00000000 > > Call Trace: > > [<c02bd187>] sysfs_addrm_finish+0x1a7/0x1e0 > > [<c072edec>] schedule_timeout+0x7c/0xd0 > > [<c02bd1e7>] remove_dir+0x27/0x40 > > [<c0730b9a>] _spin_lock_irq+0x2a/0x40 > > [<c072e240>] wait_for_common+0xc0/0x130 > > [<c021f5c0>] default_wake_function+0x0/0x10 > > [<c04d489f>] ide_unregister+0xcf/0x150 > > [<c04e5671>] ide_release+0x21/0x40 > > [<c04e56b9>] ide_detach+0x29/0x80 > > [<c0520146>] pcmcia_device_remove+0x36/0xe0 > > [<c0423116>] __device_release_driver+0x56/0x90 > > [<c0423210>] device_release_driver+0x20/0x40 > > [<c04225bb>] bus_remove_device+0x6b/0x90 > > [<c04210cf>] device_del+0xcf/0x140 > > [<c0421148>] device_unregister+0x8/0x10 > > [<c051fb7c>] pcmcia_card_remove+0x6c/0x80 > > [<c0520a34>] ds_event+0x64/0xb0 > > [<c051c12f>] pccardd+0x16f/0x2a0 > > [<c051b7fb>] send_event+0x4b/0x80 > > [<c051ba6b>] socket_shutdown+0xb/0xd0 > > [<c051bb4c>] socket_remove+0x1c/0x30 > > [<c051c1fe>] pccardd+0x23e/0x2a0 > > [<c021f5c0>] default_wake_function+0x0/0x10 > > [<c051bfc0>] pccardd+0x0/0x2a0 > > [<c023c3f2>] kthread+0x42/0x70 > > [<c023c3b0>] kthread+0x0/0x70 > > [<c02047ab>] kernel_thread_helper+0x7/0x1c > > [<c04216f2>] device_create_vargs+0x42/0xd0 > > ======================= > > no locks held by pccardd/1121. > > > > Hmm, hitting sysrq-w produces no blocked task until I eject pcmcia > card. Backtrace there is: > > Greg, I believe some traces lead to sysfs, can you help here? ide_unregister() does not complete :-(. device_unregister(&hwif->gendev); + printk("ide_unregister: waiting for rel_comp\n"); wait_for_completion(&hwif->gendev_rel_comp); ...that wait_for_completion never returns. I added some debug prints: Jun 25 23:59:21 amd cardmgr[1389]: start cmd exited with status 1 Jun 25 23:59:25 amd kernel: pccard: card ejected from slot 0 Jun 25 23:59:25 amd kernel: ide_unregister Jun 25 23:59:25 amd kernel: ide_unregister: have lock Jun 25 23:59:25 amd kernel: ide_unregister: have spinlock Jun 25 23:59:25 amd kernel: ide_unregister: port_unregister Jun 25 23:59:25 amd kernel: ide_unregister: proc_unregister Jun 25 23:59:25 amd kernel: ide_unregister: free_irq Jun 25 23:59:25 amd kernel: ide_unregister: remove from hwgroup Jun 25 23:59:25 amd kernel: ide_unregister: waiting for rel_comp Jun 25 23:59:26 amd kernel: Clocksource tsc unstable (delta = -63083806 ns) diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index c758dcb..2c4dc7e 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -313,17 +313,22 @@ void ide_unregister(ide_hwif_t *hwif) ide_hwgroup_t *hwgroup; int irq_count = 0; + printk("ide_unregister\n"); BUG_ON(in_interrupt()); BUG_ON(irqs_disabled()); mutex_lock(&ide_cfg_mtx); + printk("ide_unregister: have lock\n"); spin_lock_irq(&ide_lock); + printk("ide_unregister: have spinlock\n"); if (!hwif->present) goto abort; + printk("ide_unregister: port_unregister\n"); __ide_port_unregister_devices(hwif); hwif->present = 0; spin_unlock_irq(&ide_lock); + printk("ide_unregister: proc_unregister\n"); ide_proc_unregister_port(hwif); hwgroup = hwif->hwgroup; @@ -336,29 +341,37 @@ void ide_unregister(ide_hwif_t *hwif) ++irq_count; g = g->next; } while (g != hwgroup->hwif); + printk("ide_unregister: free_irq\n"); if (irq_count == 1) free_irq(hwif->irq, hwgroup); + printk("ide_unregister: remove from hwgroup\n"); ide_remove_port_from_hwgroup(hwif); device_unregister(hwif->portdev); device_unregister(&hwif->gendev); + printk("ide_unregister: waiting for rel_comp\n"); wait_for_completion(&hwif->gendev_rel_comp); /* * Remove us from the kernel's knowledge */ + printk("ide_unregister: blk unregister\n"); blk_unregister_region(MKDEV(hwif->major, 0), MAX_DRIVES<<PARTN_BITS); kfree(hwif->sg_table); unregister_blkdev(hwif->major, hwif->name); spin_lock_irq(&ide_lock); + printk("ide_unregister: dma engine\n"); if (hwif->dma_base) ide_release_dma_engine(hwif); + printk("ide_unregister: reset port_data\n"); /* restore hwif data to pristine status */ ide_init_port_data(hwif, hwif->index); + printk("ide_unregister: done\n"); + abort: spin_unlock_irq(&ide_lock); mutex_unlock(&ide_cfg_mtx); -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
