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Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel

From Måns Rullgård <mans@mansr.com>
Newsgroups linux.kernel
Subject Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel
Date 2015-12-18 13:50 +0100
Message-ID <qH2DV-5IP-27@gated-at.bofh.it> (permalink)
References (13 earlier) <qGQMp-6FZ-9@gated-at.bofh.it> <qGQMp-6FZ-7@gated-at.bofh.it> <qH1HP-55K-19@gated-at.bofh.it> <qH21c-5rz-15@gated-at.bofh.it> <qH2ud-5E7-5@gated-at.bofh.it>
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Julian Margetson <runaway@candw.ms> writes:

>>> Builds now. Using my own .config.
>> What changed?
> I may have messed up the patch initially .

Probably.  Let's pretend it never happened.

>>> [    4.784199] sata-dwc 4bffd1000.sata: id 0, controller version 1.82
>>> [    4.791186] scsi host0: sata-dwc
>>> [    4.794830] ata1: SATA max UDMA/133 irq 36
>>> [    4.799463] sata_sil 0001:00:04.0: Applying R_ERR on DMA activate FIS errata fix
>>> [    4.807959] scsi host1: sata_sil
>>> [    4.811662] scsi host2: sata_sil
>>> [    4.815242] ata2: SATA max UDMA/100 mmio m512@0xd84280000 tf 0xd84280080 irq 21
>>> [    4.822990] ata3: SATA max UDMA/100 mmio m512@0xd84280000 tf 0xd842800c0 irq 21
>>>
>>> [    5.143502] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>>> [    5.164367] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
>>> [    5.185174] ppc-of-ohci 4bffd0000.usb: irq 32, io mem 0x4bffd0000
>>> [    5.206125] Unable to handle kernel paging request for data at address 0x00000000
>>> [    5.228546] Faulting instruction address: 0xc043a2c8
>>> [    5.248577] Vector: 300 (Data Access) at [eddafae0]
>>> [    5.268658]     pc: c043a2c8: sata_dwc_qc_issue+0xb8/0x204
>> Well, that's not good.  Can you translate that address to a line of code?
>>
> need some guidance on method .

Enable CONFIG_DEBUG_INFO, then use this command:

$ addr2line -e vmlinux 0xc043a2c8

Obviously substitute the actual crashing address if it changes.

-- 
Måns Rullgård
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[PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Mans Rullgard <mans@mansr.com> - 2015-12-16 00:30 +0100
  [PATCH 3/3] ata: sata_dwc_460ex: get rid of global data Mans Rullgard <mans@mansr.com> - 2015-12-16 00:30 +0100
    Re: [PATCH 3/3] ata: sata_dwc_460ex: get rid of global data Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 16:10 +0100
      Re: [PATCH 3/3] ata: sata_dwc_460ex: get rid of global data Måns Rullgård <mans@mansr.com> - 2015-12-17 16:20 +0100
        Re: [PATCH 3/3] ata: sata_dwc_460ex: get rid of global data Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 16:40 +0100
          Re: [PATCH 3/3] ata: sata_dwc_460ex: get rid of global data Måns Rullgård <mans@mansr.com> - 2015-12-17 17:00 +0100
  [PATCH 2/3] ata: sata_dwc_460ex: add phy support Mans Rullgard <mans@mansr.com> - 2015-12-16 00:30 +0100
    Re: [PATCH 2/3] ata: sata_dwc_460ex: add phy support Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2015-12-16 12:20 +0100
      Re: [PATCH 2/3] ata: sata_dwc_460ex: add phy support Måns Rullgård <mans@mansr.com> - 2015-12-16 12:30 +0100
  Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-16 00:40 +0100
    Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 16:10 +0100
      Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-17 16:20 +0100
        Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 17:00 +0100
          Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-17 17:10 +0100
            Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 18:00 +0100
              Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-17 19:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-17 20:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-18 02:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 02:40 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-18 11:10 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 12:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-18 12:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 13:10 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-18 13:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 13:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 18:20 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-18 19:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 23:40 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 00:20 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-19 03:40 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 16:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 17:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-19 18:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 18:10 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-19 18:10 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-19 18:20 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 18:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 20:10 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-19 21:40 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-19 21:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-19 21:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-20 18:20 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-20 18:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-20 19:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-20 19:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-20 21:20 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-20 22:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 02:20 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 20:10 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 20:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 22:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 22:10 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-22 01:10 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-22 12:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 18:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 18:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-21 19:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 19:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 19:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 20:10 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 20:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 20:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 20:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 21:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 21:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 21:40 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 19:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 01:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 02:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 02:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-21 09:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 13:20 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andy.shevchenko@gmail.com> - 2015-12-21 18:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 19:20 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 20:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 21:00 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 13:20 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-21 14:20 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 16:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-21 17:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-21 19:20 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-18 13:40 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 13:50 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-18 15:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel Måns Rullgård <mans@mansr.com> - 2015-12-18 15:30 +0100
                Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-18 13:50 +0100
              Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Julian Margetson <runaway@candw.ms> - 2015-12-17 19:10 +0100
  Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find  dma channel Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2015-12-17 16:00 +0100

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