Re: More rtsx issues (13.0-R system) was: Re: CURRENT crashes at early boot on Lenovo T540p...

On 5/13/21 9:00 PM, Rodney W. Grimes wrote:
>> On 12.05.2021 21:01, Marc Veldman wrote:
>>
>>> I?m not sure if this is an interesting data point or not,
>>> but a warm boot without the card inserted succeeds after
>>> a cold boot with the card inserted.
>>
>>    It could explain, why my tests with "same code path" gave different results!
> 
> I am suspect of 2 things here, something the bios does that leaves
> the card in a state that alters the loader's disk probing, and
> that probling itself leaving the device in a state that our kernel
> does not like.
> 
> I have it very "odd" that I can boot from a rtsx sd card, ie the kernel
> gets loaded, but fails at "mountroot" phase due to a sd card timeout.

I am baffled that the loader can read the SD card from a RTS525A. Can you detail 
the boot process and the SD card partitions.

Please show

kenv | grep smbios.system

and

pciconf -lvbc


Anyway can you use the driver from GitHub - version 2.0h so we start with 
something that work for others.

Henri

> If I simply cycle the sd card in and out of its socket and then
> give the right command string to mountroot it goes on to multiuser
> without issue.
> 
> I'll also note that if I am booting from other disks (nvme or usb)
> that I get these same sd card timeouts and I have to cycle the
> card in and out of the socket to use it:
> 
> rtsx0: <2.0c Realtek RTS525A PCI MMC/SD Card Reader> mem 0xe1000000-0xe1000fff irq 18 at device 0.0 on pci3
> rtsx0: pci_read_config() error - reg: 0xeeffffaa
> rtsx0: Card present
> mmc0: <MMC/SD bus> on rtsx0
> rtsx0: CRC error
> rtsx0: Transfer fail - status: 0x90010080
> rtsx0: CRC error
> rtsx0: Transfer fail - status: 0x90010080
> rtsx0: CRC error
> rtsx0: Transfer fail - status: 0x90010080
> rtsx0: CRC error
> rtsx0: Transfer fail - status: 0x90010080
> rtsx0: Interrupt card inserted/removed
> rtsx0: Card absent
> rtsx0: Interrupt card inserted/removed
> rtsx0: Card present
> mmc0: <MMC/SD bus> on rtsx0
> 
> (The last 5 lines caused by me removeing/inserting the card)
> 
> Further note that this is a different controller chip version,
> from a Dell E5470:
> 
> rtsx0_at_pci0:3:0:0:       class=0xff0000 rev=0x01 hdr=0x00 vendor=0x10ec device=0x525a subvendor=0x1028 subdevice=0x06de
>      vendor     = 'Realtek Semiconductor Co., Ltd.'
>      device     = 'RTS525A PCI Express Card Reader'
>      bar   [14] = type Memory, range 32, base 0xe1000000, size 4096, enabled
>      cap 01[80] = powerspec 3  supports D0 D1 D2 D3  current D0
>      cap 05[90] = MSI supports 1 message, 64 bit enabled with 1 message
>      cap 10[b0] = PCI-Express 2 endpoint max data 256(512) RO
>                   max read 512
>                   link x1(x1) speed 5.0(5.0) ASPM disabled(L0s/L1) ClockPM enabled
>      ecap 0001[100] = AER 2 0 fatal 0 non-fatal 1 corrected
>      ecap 0003[148] = Serial 1 00000001004ce000
>      ecap 0018[158] = LTR 1
>      ecap 001e[160] = L1 PM Substates 1
> 
>> // Lev Serebryakov