Re: Regression in marvell-nand

[Daniel Mack <daniel@xxxxxxxxxx>]

[Switching to Boris' new email address]

On 21/3/2019 8:00 AM, Daniel Mack wrote:
> Hi Boris and all,
> 
> I'm seeing a severe regression with the NAND driver on a PXA3xx platform
> caused by b25251414f6e00 ("mtd: rawnand: marvell: Stop implementing
> ->select_chip()"). Since that commit, I'm seeing lots of messages like
> this during boot:
> 
> [    5.480730] Bad eraseblock 702 at 0x0000057c0000
> [    5.485936] Bad eraseblock 703 at 0x0000057e0000
> [    5.491354] Bad eraseblock 704 at 0x000005800000
> [    5.496544] Bad eraseblock 705 at 0x000005820000
> 
> Eventually followed by the UBI layer acting up:
> 
> [    9.334403] ubi0 error: ubi_io_read: error -74 (ECC error) while
> reading 64 bytes from PEB 5:0, read 64 bytes
> [    9.344361] CPU: 0 PID: 1 Comm: swapper Not tainted 5.0.2+ #551
> [    9.350285] Hardware name: Marvell PXA3xx (Device Tree Support)
> [    9.356206] [<c0107c14>] (unwind_backtrace) from [<c0105a5c>]
> (show_stack+0x10/0x14)
> [    9.363981] [<c0105a5c>] (show_stack) from [<c04322c8>]
> (ubi_io_read+0x1dc/0x2c8)
> [    9.371512] [<c04322c8>] (ubi_io_read) from [<c04325e8>]
> (ubi_io_read_ec_hdr+0x6c/0x220)
> [    9.379633] [<c04325e8>] (ubi_io_read_ec_hdr) from [<c0437568>]
> (ubi_attach+0x18c/0x137c)
> [    9.387839] [<c0437568>] (ubi_attach) from [<c042c71c>]
> (ubi_attach_mtd_dev+0x654/0xad0)
> [    9.395891] [<c042c71c>] (ubi_attach_mtd_dev) from [<c09153b8>]
> (ubi_init+0x148/0x200)
> [    9.403834] [<c09153b8>] (ubi_init) from [<c0102508>]
> (do_one_initcall+0x74/0x178)
> [    9.411456] [<c0102508>] (do_one_initcall) from [<c0900d8c>]
> (kernel_init_freeable+0x108/0x1d4)
> [    9.420177] [<c0900d8c>] (kernel_init_freeable) from [<c0665da0>]
> (kernel_init+0x8/0x110)
> [    9.428385] [<c0665da0>] (kernel_init) from [<c01010e0>]
> (ret_from_fork+0x14/0x34)
> [    9.435900] Exception stack(0xc603dfb0 to 0xc603dff8)
> 
> 
> The commit before is working just fine. I haven't dug any further than
> bisecting yet however.
> 
> Any idea?
> 
> 
> Thanks,
> Daniel
> 


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