From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 49151] NULL pointer dereference in pata_acpi
Date: Mon, 22 Oct 2012 12:15:50 +0000 (UTC)
Message-ID: <20121022121550.599BF11FAE0@bugzilla.kernel.org>
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https://bugzilla.kernel.org/show_bug.cgi?id=49151
Anton Boyarshinov changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |boyarsh@altlinux.org
--- Comment #6 from Anton Boyarshinov 2012-10-22 12:15:50 ---
Thank you for responce!
There is a log with both patches applied. System boots and works.
-------------------------
[ 1.108357] ata3: PATA max UDMA/133 cmd 0xf80 ctl 0xf00 bmdma 0xb800 irq 21
[ 1.108363] ata4: PATA max UDMA/133 cmd 0xe80 ctl 0xe00 bmdma 0xb808 irq 21
[ 1.264255] ------------[ cut here ]------------
[ 1.264303] WARNING: at drivers/ata/libata-core.c:2928
ata_timing_find_mode+0x6a/0x80 [libata]()
[ 1.264307] Hardware name: ATLANT \xffffffd52 4800/251
[ 1.264312] ata_timing_find_mode: unable to find timing for xfer_mode 0x0
[ 1.264315] Modules linked in: ahci libahci pata_acpi libata scsi_mod
[ 1.264332] Pid: 547, comm: scsi_eh_2 Not tainted 3.6.3-un-def-alt1 #1
[ 1.264336] Call Trace:
[ 1.264353] [] warn_slowpath_common+0x7a/0xb0
[ 1.264361] [] warn_slowpath_fmt+0x41/0x50
[ 1.264380] [] ata_timing_find_mode+0x6a/0x80 [libata]
[ 1.264391] [] pacpi_set_dmamode+0x42/0xf0 [pata_acpi]
[ 1.264401] [] pacpi_qc_issue+0x5a/0x7c [pata_acpi]
[ 1.264421] [] ata_qc_issue+0x1ff/0x370 [libata]
[ 1.264433] [] ? default_spin_lock_flags+0x13/0x20
[ 1.264453] [] ata_exec_internal_sg+0x341/0x640 [libata]
[ 1.264475] [] ? ata_sff_dev_classify+0x67/0x110 [libata]
[ 1.264494] [] ata_exec_internal+0x74/0xb0 [libata]
[ 1.264514] [] ? ata_sff_wait_after_reset+0x140/0x140
[libata]
[ 1.264533] [] ata_do_dev_read_id+0x25/0x30 [libata]
[ 1.264553] [] ? ata_eh_reset+0x24c/0xc80 [libata]
[ 1.264571] [] ata_dev_read_id+0x324/0x5a0 [libata]
[ 1.264590] [] ? ata_sff_wait_after_reset+0x140/0x140
[libata]
[ 1.264599] [] ? default_spin_lock_flags+0x13/0x20
[ 1.264619] [] ata_eh_recover+0x824/0x13e0 [libata]
[ 1.264629] [] ? load_balance+0x611/0x8c0
[ 1.264649] [] ? ata_sff_drain_fifo+0x80/0x80 [libata]
[ 1.264668] [] ? ata_sff_wait_after_reset+0x140/0x140
[libata]
[ 1.264677] [] ? pacpi_port_start+0xa0/0xa0 [pata_acpi]
[ 1.264687] [] ? _raw_spin_lock_irq+0x39/0x50
[ 1.264696] [] ? wait_on_work+0x1fb/0x210
[ 1.264705] [] ? pacpi_port_start+0xa0/0xa0 [pata_acpi]
[ 1.264724] [] ? ata_sff_wait_after_reset+0x140/0x140
[libata]
[ 1.264744] [] ata_do_eh+0x4d/0xc0 [libata]
[ 1.264763] [] ? ata_sff_drain_fifo+0x80/0x80 [libata]
[ 1.264782] [] ? ata_sff_wait_after_reset+0x140/0x140
[libata]
[ 1.264802] [] ata_sff_error_handler+0xce/0x130 [libata]
[ 1.264821] [] ata_bmdma_error_handler+0x8f/0x150
[libata]
[ 1.264841] [] ata_scsi_port_error_handler+0x499/0x770
[libata]
[ 1.264861] [] ata_scsi_error+0x93/0xd0 [libata]
[ 1.264896] [] scsi_error_handler+0x12a/0x720 [scsi_mod]
[ 1.264915] [] ? scsi_eh_get_sense+0x210/0x210 [scsi_mod]
[ 1.264933] [] ? scsi_eh_get_sense+0x210/0x210 [scsi_mod]
[ 1.264940] [] kthread+0x96/0xa0
[ 1.264950] [] kernel_thread_helper+0x4/0x10
[ 1.264957] [] ? kthread_freezable_should_stop+0x80/0x80
[ 1.264964] [] ? gs_change+0x13/0x13
[ 1.264969] ---[ end trace a98d36ed22847d07 ]---
[ 1.264972] ------------[ cut here ]------------
[ 1.264980] WARNING: at drivers/ata/pata_acpi.c:149
pacpi_set_dmamode+0xdf/0xf0 [pata_acpi]()
[ 1.264983] Hardware name: ATLANT \xffffffd52 4800/251
[ 1.264987] pacpi_set_dmamode: ata_timing_find_mode gives NULL
[ 1.264989] Modules linked in: ahci libahci pata_acpi libata scsi_mod
[ 1.265002] Pid: 547, comm: scsi_eh_2 Tainted: G W
3.6.3-un-def-alt1 #1
[ 1.265005] Call Trace:
[ 1.265013] [] warn_slowpath_common+0x7a/0xb0
[ 1.265020] [] warn_slowpath_fmt+0x41/0x50
[ 1.265030] [] pacpi_set_dmamode+0xdf/0xf0 [pata_acpi]
[ 1.265038] [] pacpi_qc_issue+0x5a/0x7c [pata_acpi]
[ 1.265057] [] ata_qc_issue+0x1ff/0x370 [libata]
[ 1.265065] [] ? default_spin_lock_flags+0x13/0x20
[ 1.265084] [] ata_exec_internal_sg+0x341/0x640 [libata]
[ 1.265104] [] ? ata_sff_dev_classify+0x67/0x110 [libata]
[ 1.265123] [] ata_exec_internal+0x74/0xb0 [libata]
[ 1.265142] [] ? ata_sff_wait_after_reset+0x140/0x140
[libata]
[ 1.265161] [] ata_do_dev_read_id+0x25/0x30 [libata]
[ 1.265180] [] ? ata_eh_reset+0x24c/0xc80 [libata]
[ 1.265198] [] ata_dev_read_id+0x324/0x5a0 [libata]
[ 1.265217] [] ? ata_sff_wait_after_reset+0x140/0x140
[libata]
[ 1.265226] [] ? default_spin_lock_flags+0x13/0x20
[ 1.265246] [] ata_eh_recover+0x824/0x13e0 [libata]
[ 1.265254] [] ? load_balance+0x611/0x8c0
[ 1.265273] [] ? ata_sff_drain_fifo+0x80/0x80 [libata]
[ 1.265292] [] ? ata_sff_wait_after_reset+0x140/0x140
[libata]
[ 1.265301] [] ? pacpi_port_start+0xa0/0xa0 [pata_acpi]
[ 1.265308] [] ? _raw_spin_lock_irq+0x39/0x50
[ 1.265315] [] ? wait_on_work+0x1fb/0x210
[ 1.265324] [] ? pacpi_port_start+0xa0/0xa0 [pata_acpi]
[ 1.265343] [] ? ata_sff_wait_after_reset+0x140/0x140
[libata]
[ 1.265363] [] ata_do_eh+0x4d/0xc0 [libata]
[ 1.265382] [] ? ata_sff_drain_fifo+0x80/0x80 [libata]
[ 1.265401] [] ? ata_sff_wait_after_reset+0x140/0x140
[libata]
[ 1.265420] [] ata_sff_error_handler+0xce/0x130 [libata]
[ 1.265440] [] ata_bmdma_error_handler+0x8f/0x150
[libata]
[ 1.265460] [] ata_scsi_port_error_handler+0x499/0x770
[libata]
[ 1.265480] [] ata_scsi_error+0x93/0xd0 [libata]
[ 1.265499] [] scsi_error_handler+0x12a/0x720 [scsi_mod]
[ 1.265518] [] ? scsi_eh_get_sense+0x210/0x210 [scsi_mod]
[ 1.265535] [] ? scsi_eh_get_sense+0x210/0x210 [scsi_mod]
[ 1.265542] [] kthread+0x96/0xa0
[ 1.265550] [] kernel_thread_helper+0x4/0x10
[ 1.265558] [] ? kthread_freezable_should_stop+0x80/0x80
[ 1.265565] [] ? gs_change+0x13/0x13
[ 1.265568] ---[ end trace a98d36ed22847d08 ]---
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