Messages in this thread | | | Date | Thu, 21 Jun 2018 09:47:47 +0300 (EEST) | From | Meelis Roos <> | Subject | Re: [PATCH] ipmi: Cleanup oops on initialization failure |
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> > The corresponding dmesg: > > > > [ 7.372830] IPMI System Interface driver. > > [ 7.373034] ipmi_si dmi-ipmi-si.0: ipmi_platform: probing via SMBIOS > > [ 7.373109] ipmi_si: SMBIOS: mem 0x0 regsize 1 spacing 1 irq 0 > > [ 7.373182] ipmi_si: Adding SMBIOS-specified kcs state machine > > [ 7.373352] ipmi_si: Trying SMBIOS-specified kcs state machine at mem > > address 0x0, slave address 0x20, irq 0 > > [ 7.373479] ipmi_si dmi-ipmi-si.0: Could not set up I/O space > > > > > BTW, can you send me at least the IPMI portion of the output of > > > dmidecode for your machine? I have seen a lot of these where the > > > address in the SMBIOS tables is incorrect, and I'm wondering if > > > it's something in the driver, or if it's really the tables that > > > are bad. > > Handle 0x001B, DMI type 38, 18 bytes > > IPMI Device Information > > Interface Type: KCS (Keyboard Control Style) > > Specification Version: 2.0 > > I2C Slave Address: 0x10 > > NV Storage Device: Not Present > > Base Address: 0x0000000000000000 (Memory-mapped) > > Register Spacing: Successive Byte Boundaries > > Thanks a bunch. It looks like the SMBIOS tables are wrong. I > wonder if this is what some vendor do if there is no IPMI device > installed. I guess I need to add a check for this.
Another machine (Sun X2100) with similar crash is also cured by the patch, but this is slightly different (not NULL):
[ 8.891217] IPMI System Interface driver. [ 8.898404] ipmi_si dmi-ipmi-si.0: ipmi_platform: probing via SMBIOS [ 8.905635] ipmi_si: SMBIOS: io 0xca2 regsize 1 spacing 1 irq 0 [ 8.912895] ipmi_si: Adding SMBIOS-specified kcs state machine [ 8.920246] ipmi_si: Trying SMBIOS-specified kcs state machine at i/o address 0xca2, slave address 0x20, irq 0 [ 8.934379] ipmi_si dmi-ipmi-si.0: Interface detection failed
IPMI Device Information Interface Type: KCS (Keyboard Control Style) Specification Version: 1.5 I2C Slave Address: 0x10 NV Storage Device: Not Present Base Address: 0x0000000000000CA2 (I/O) Register Spacing: Successive Byte Boundaries
-- Meelis Roos (mroos@linux.ee)
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