Re: Kernel panic with 2.6.15-rc7 + libata1 patch

[Ralf Müller <ralf@bj-ig.de>]

Ralf Müller schrieb:
> Had the following kernel panic with 2.6.15-rc7 + libata1 2.6.15-rc6 
> patch (http://www.kernel.org/pub/linux/kernel/people/jgarzik/libata/).
> Ocurred when calling "hddtemp" on a SATA device which has been in 
> standby. Maybe someone is interesed:
>
> Dec 31 12:45:08 DatenGrab kernel: ATA: abnormal status 0xFF on port 
> 0xE02A821CDec 31 12:45:11 DatenGrab kernel: ata3: unknown timeout, cmd 
> 0xb0 stat 0xffDec 31 12:45:11 DatenGrab kernel: ata3: translated ATA 
> stat/err 0xff/00 to SCSI SK/ASC/ASCQ 0xb/47/00Dec 31 12:45:11 DatenGrab 
> kernel: ata3: status=0xff { Busy }Dec 31 12:45:11 DatenGrab kernel: 
> Assertion failed! qc != 
> NULL,drivers/scsi/libata-core.c,ata_pio_block,line=3216Dec 31 12:45:11 
> DatenGrab kernel: e02d9a3e
> Dec 31 12:45:11 DatenGrab kernel: Modules linked in: iptable_filter 
> ip_tables w83627hf hwmon_vid hwmon eeprom i2c_isa nfsd edd ipv6 button 
> battery ac af_packet xfs exportfs reiserfs ohci1394 ieee1394 sk98lin 
> generic i2c_i801 i2c_core i8xx_tco shpchp pci_hotplug intel_agp agpgart 
> uhci_hcd raid5 xor parport_pc lp parport sata_promise libata dm_mod sg 
> skge ohci_hcd ehci_hcd usb_storage usbcore fan thermal processor piix 
> sd_mod scsi_mod ide_disk ide_core
> Dec 31 12:45:11 DatenGrab kernel: CPU:    0Dec 31 12:45:11 DatenGrab 
> kernel: EIP:    0060:[<e02d9a3e>]    Not tainted VLI
> Dec 31 12:45:11 DatenGrab kernel: EFLAGS: 00010292 (2.6.15-rc6-default) 
> Dec 31 12:45:11 DatenGrab kernel: EIP is at ata_pio_block+0xb9/0xfd 
> [libata]
> Dec 31 12:45:11 DatenGrab kernel: eax: 00000056   ebx: c14b5284   ecx: 
> 00000000   edx: 00000000
> Dec 31 12:45:11 DatenGrab kernel: esi: 58894f50   edi: 00000000   ebp: 
> c14b5284   esp: de3a7f70
> Dec 31 12:45:11 DatenGrab kernel: ds: 007b   es: 007b   ss: 0068
> Dec 31 12:45:11 DatenGrab kernel: Process ata/0 (pid: 2181, 
> threadinfo=de3a6000 task=de371a90)
> Dec 31 12:45:11 DatenGrab kernel: Stack: c14b5284 def063c0 00000287 
> e02d9b00 c14b583c c01230a6 e02d9ae3 00000001
> Dec 31 12:45:11 DatenGrab kernel:        00000000 00000000 00010000 
> 00000000 00000000 de371a90 c01150bc 00100100
> Dec 31 12:45:11 DatenGrab kernel:        00200200 ffffffff ffffffff 
> de3a6000 de0dbf54 def063c0 c0122f67 c0125c8f
> Dec 31 12:45:11 DatenGrab kernel: Call Trace:
> Dec 31 12:45:11 DatenGrab kernel:  [<e02d9b00>] ata_pio_task+0x1d/0x54 
> [libata]
> Dec 31 12:45:11 DatenGrab kernel:  [<c01230a6>] worker_thread+0x13f/0x19d
> Dec 31 12:45:11 DatenGrab kernel:  [<e02d9ae3>] ata_pio_task+0x0/0x54 
> [libata]
> Dec 31 12:45:11 DatenGrab kernel:  [<c01150bc>] 
> default_wake_function+0x0/0xc
> Dec 31 12:45:11 DatenGrab kernel:  [<c0122f67>] worker_thread+0x0/0x19d
> Dec 31 12:45:11 DatenGrab kernel:  [<c0125c8f>] kthread+0x63/0x8f
> Dec 31 12:45:11 DatenGrab kernel:  [<c0125c2c>] kthread+0x0/0x8f
> Dec 31 12:45:11 DatenGrab kernel:  [<c0101281>] 
> kernel_thread_helper+0x5/0xb
> Dec 31 12:45:11 DatenGrab kernel: Code: 89 df 81 c7 d4 04 00 00 75 21 68 
> 90 0c 00 00 68 fb cd 2d e0 68 ef cf 2d e0 68 b0 d5 2d e0 68 61 d0 2d e0 
> e8 19 e1 e3 df 83 c4 14 <8a> 47 14 83 e8 05 3c 02 77 1b 83 e6 08 75 0c 
> c7 83 e4 05 00 00
> Dec 31 12:45:14 DatenGrab kernel:  <3>ata5: unknown timeout, cmd 0xb0 
> stat 0x58

Sorry - the above oops has been with plain 2.6.15-rc7 - the libata1
patch has been applied but not yet installed at the time of this kernel
panic. With the libata1 patch installed the sata controller is still
going completly offline when calling hddtemp on a disk in standby but
there is no kernel panic anymore.

Ralf

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