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Message-ID: <216158.20018.qm@web29012.mail.ird.yahoo.com> Date: Fri, 24 Jun 2011 16:08:03 +0100 (BST) From: Paul Parsons <lost.distance@...oo.com> To: linux-kernel@...r.kernel.org, johnpol@....mipt.ru, dagenaisj@...atest.com Subject: w1/ds1wm regression after 2.6.39: "bus error, retrying" The linux-3.0-rc4 DS1WM 1-wire driver is logging "bus error, retrying" error messages on an HP iPAQ hx4700 PDA (XScale-PXA270): <snip> Driver for 1-wire Dallas network protocol. DS1WM w1 busmaster driver - (c) 2004 Szabolcs Gyurko 1-Wire driver for the DS2760 battery monitor chip - (c) 2004-2005, Szabolcs Gyurko ds1wm ds1wm: pass: 1 bus error, retrying ds1wm ds1wm: pass: 2 bus error, retrying ds1wm ds1wm: pass: 3 bus error, retrying ds1wm ds1wm: pass: 4 bus error, retrying ds1wm ds1wm: pass: 5 bus error, retrying ds1wm ds1wm: pass: 6 bus error, retrying ds1wm ds1wm: pass: 7 bus error, retrying ds1wm ds1wm: pass: 8 bus error, retrying ds1wm ds1wm: pass: 9 bus error, retrying ds1wm ds1wm: pass: 10 bus error, retrying ds1wm ds1wm: pass: 11 bus error, retrying ds1wm ds1wm: pass: 12 bus error, retrying ds1wm ds1wm: pass: 13 bus error, retrying ds1wm ds1wm: pass: 14 bus error, retrying ds1wm ds1wm: pass: 15 bus error, retrying ds1wm ds1wm: pass: 16 bus error, retrying ds1wm ds1wm: pass: 17 bus error, retrying ds1wm ds1wm: pass: 18 bus error, retrying ds1wm ds1wm: pass: 19 bus error, retrying ds1wm ds1wm: pass: 20 bus error, retrying ds1wm ds1wm: pass: 21 bus error, retrying ds1wm ds1wm: pass: 22 bus error, retrying ds1wm ds1wm: pass: 23 bus error, retrying ds1wm ds1wm: pass: 24 bus error, retrying ds1wm ds1wm: pass: 25 bus error, retrying ds1wm ds1wm: pass: 26 bus error, retrying ds1wm ds1wm: pass: 27 bus error, retrying ds1wm ds1wm: pass: 28 bus error, retrying ds1wm ds1wm: pass: 29 bus error, retrying ds1wm ds1wm: pass: 30 bus error, retrying ds1wm ds1wm: pass: 31 bus error, retrying ds1wm ds1wm: pass: 32 bus error, retrying ds1wm ds1wm: pass: 33 bus error, retrying pcmcia_socket pcmcia_socket0: pccard: PCMCIA card inserted into slot 0 pcmcia 0.0: pcmcia: registering new device pcmcia0.0 (IRQ: 124) scsi0 : pata_pcmcia ata1: PATA max PIO0 cmd 0xc4820000 ctl 0xc482000e irq 124 ds1wm ds1wm: pass: 34 bus error, retrying ds1wm ds1wm: pass: 35 bus error, retrying ds1wm ds1wm: pass: 36 bus error, retrying ds1wm ds1wm: pass: 37 bus error, retrying ds1wm ds1wm: pass: 38 bus error, retrying ds1wm ds1wm: pass: 39 bus error, retrying ds1wm ds1wm: pass: 40 bus error, retrying ds1wm ds1wm: pass: 41 bus error, retrying ds1wm ds1wm: pass: 42 bus error, retrying ds1wm ds1wm: pass: 43 bus error, retrying ds1wm ds1wm: pass: 44 bus error, retrying ata1.00: CFA: CF Card, Ver1.27, max PIO4 ata1.00: 2014992 sectors, multi 0: LBA ds1wm ds1wm: pass: 45 bus error, retrying ds1wm ds1wm: pass: 46 bus error, retrying ata1.00: configured for PIO0 scsi 0:0:0:0: Direct-Access ATA CF Card Ver1 PQ: 0 ANSI: 5 sd 0:0:0:0: [sda] 2014992 512-byte logical blocks: (1.03 GB/983 MiB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA sda: sda1 sd 0:0:0:0: [sda] Attached SCSI removable disk ds1wm ds1wm: pass: 47 bus error, retrying APM Battery Driver mmc0 at 0xc48d2800 irq 130 Registered led device: hx4700:amber Registered led device: hx4700:green Registered led device: hx4700:blue TCP cubic registered NET: Registered protocol family 17 XScale iWMMXt coprocessor detected. pxa-rtc pxa-rtc: setting system clock to 2000-01-01 00:00:07 UTC (946684807) Warning: unable to open an initial console. VFS: Mounted root (jffs2 filesystem) readonly on device 31:2. Freeing init memory: 104K mmc0: new SD card at address 1234 mmcblk0: mmc0:1234 SD01G 972 MiB mmcblk0: p1 udevd (337): /proc/337/oom_adj is deprecated, please use /proc/337/oom_score_adj instead. g_serial gadget: Gadget Serial v2.4 g_serial gadget: g_serial ready pxa27x-udc pxa27x-udc: USB reset pxa27x-udc pxa27x-udc: USB reset pxa27x-udc pxa27x-udc: USB reset g_serial gadget: full speed config #1: Generic Serial config ds1wm ds1wm: pass: 1 bus error, retrying ds1wm ds1wm: pass: 2 bus error, retrying ds1wm ds1wm: pass: 3 bus error, retrying <snip> ds1wm ds1wm: pass: 91 bus error, retrying ds1wm ds1wm: pass: 92 bus error, retrying ds1wm ds1wm: pass: 93 bus error, retrying ds1wm ds1wm: pass: 1 bus error, retrying ds1wm ds1wm: pass: 2 bus error, retrying ds1wm ds1wm: pass: 3 bus error, retrying <snip> ds1wm ds1wm: pass: 29 bus error, retrying ds1wm ds1wm: pass: 30 bus error, retrying ds1wm ds1wm: pass: 31 bus error, retrying ds1wm ds1wm: pass: 1 bus error, retrying ds1wm ds1wm: pass: 2 bus error, retrying ds1wm ds1wm: pass: 3 bus error, retrying <snip> ds1wm ds1wm: pass: 98 bus error, retrying ds1wm ds1wm: pass: 99 bus error, retrying ds1wm ds1wm: pass: 100 bus error, retrying ds1wm ds1wm: pass: 1 bus error, retrying ds1wm ds1wm: pass: 2 bus error, retrying ds1wm ds1wm: pass: 3 bus error, retrying <snip> ds1wm ds1wm: pass: 92 bus error, retrying ds1wm ds1wm: pass: 93 bus error, retrying ds1wm ds1wm: pass: 94 bus error, retrying ds1wm ds1wm: pass: 1 bus error, retrying ds1wm ds1wm: pass: 2 bus error, retrying ds1wm ds1wm: pass: 3 bus error, retrying <snip> ds1wm ds1wm: pass: 98 bus error, retrying ds1wm ds1wm: pass: 99 bus error, retrying ds1wm ds1wm: pass: 100 bus error, retrying <snip> The visible result is that the battery charging LED is erratic; sometimes it works, mostly it doesn't. The linux-2.6.39 DS1WM 1-wire driver worked OK. I haven't tried 3.0-rc1, 3.0-rc2, or 3.0-rc3. Regards. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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