%T#13983 Comment added by neofright: Aigo Eros Q HW4 playback failures

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The following task has a new comment added:

FS#13983 - Aigo Eros Q HW4 playback failures
User who did this - neofright (neofright)

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I understand well the concerns of LLMs, especially with the need for code attribution of the Rockbox project. However, for someone like myself who has never been a competent C developer, I have found using them somewhat useful. I'm aware that I am not learning as much as I would if I had hacked away at the problem without it. I'll try not to turn this into an AI diatribe, and err toward asking for forgiveness instead of permission ;)

I used GPT-5.6 Sol and its suggestion was to prevent msc_cmd_switch_freq() in firmware/target/mips/ingenic_x1000/msc-x1000.c from entering high-speed mode and keeping the interface always at 25 MHz.


diff --git a/firmware/target/mips/ingenic_x1000/msc-x1000.c b/firmware/target/mips/ingenic_x1000/msc-x1000.c
index 0ce6ff4990..1cc9c7339b 100644
--- a/firmware/target/mips/ingenic_x1000/msc-x1000.c
+++ b/firmware/target/mips/ingenic_x1000/msc-x1000.c
@@ -888,6 +888,10 @@ int msc_cmd_set_clr_card_detect(msc_drv* d, int arg)
 
 int msc_cmd_switch_freq(msc_drv* d)
 {
+#ifdef EROS_QN
+    msc_set_speed(d, MSC_SPEED_FAST); /* 25 MHz */
+    return MSC_REQ_SUCCESS;
+#endif
     /* If card doesn't support High Speed, we don't need to send a command */
     if((d->driver_flags & MSC_DF_V2_CARD) == 0) {
         msc_set_speed(d, MSC_SPEED_FAST);


This has fixed the issue for me and the native port is now completely stable. I've been skipping aggressively through my library and have a running time of 30 minutes. The unpatched upstream build would always crash in 5 minutes or less if I worked to trigger the problem by causing intense disk reads.

The micro SD card in question is a Samsung MB-MC512SA/EU which I removed from the iFlash Quad in my iPod Classic and put straight into the Eros Q. I deleted the Apple firmware partition when I was using it in the iPod, so it is just a single FAT32 partition taking up the entire disk, which the Eros Q is happy with.
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More information can be found at the following URL:
https://www.rockbox.org/tracker/task/13983#comment45672

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